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Select Product Type: All | Routine Bulletins/FCSTS | Warnings/Watches/Advisories | HAWN Weather | Tropical | Marine | Aviation | Daily Obs | Special
Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

880
FZHW50 PHFO 271317
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
317 AM HST Tue Oct 27 2020

Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-280230-
317 AM HST Tue Oct 27 2020

.Synopsis for Hawaiian coastal waters...
A ridge near Oahu will bring southeast flow across the area with
the strongest winds near Maui and the Big Island. A front
currently northwest of Kauai will bring heavy showers and
thunderstorms through the week. The front will move into the
coastal waters midweek bringing winds out of the WNW behind the
front and southerly winds ahead of the front.

$$

PHZ110-280230-
Kauai Northwest Waters-
317 AM HST Tue Oct 27 2020

.TODAY...Winds variable less than 10 knots becoming west 10 knots
in the afternoon. Wind waves 3 feet. Northwest swell 5 feet and
northeast 3 feet. Numerous showers and slight chance of
thunderstorms.
.TONIGHT...Northwest winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Numerous showers and slight
chance of thunderstorms.
.WEDNESDAY...North winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Numerous showers in the morning. Slight chance of
thunderstorms through the day. Scattered showers in the
afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Scattered showers in the evening. Slight
chance of thunderstorms through the night. Numerous showers after
midnight.
.THURSDAY...Northwest winds 10 knots. Wind waves 3 feet. North
swell 6 feet. Scattered showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet in
the evening then 2 feet or less. North swell 6 feet. Numerous
showers.
.FRIDAY...Northwest winds 10 knots. Wind waves 2 feet or less.
North swell 6 to 7 feet. Numerous showers.
.SATURDAY...West winds 15 knots veering north. Wind waves 3 feet.
Northwest swell 5 to 6 feet. Numerous showers.

$$

PHZ111-280230-
Kauai Windward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...West winds 10 knots. Wind waves 3 feet. Northwest swell
4 feet and northeast 3 feet. Scattered showers in the morning.
Slight chance of thunderstorms through the day. Numerous showers
in the afternoon.
.TONIGHT...Winds variable less than 10 knots becoming west
10 knots after midnight. Wind waves 3 feet. Northwest swell
4 feet and northeast 3 feet. Numerous showers and slight chance
of thunderstorms.
.WEDNESDAY...North winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Frequent showers in the morning. Slight chance of
thunderstorms through the day. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY...West winds 10 knots. Wind waves 3 feet. North swell
6 feet. Numerous showers in the morning. Slight chance of
thunderstorms through the day. Scattered showers in the
afternoon.
.THURSDAY NIGHT...West winds 10 knots. Wind waves 3 feet. North
swell 6 feet. Numerous showers.
.FRIDAY...West winds 10 knots. Wind waves 3 feet. North swell
5 to 6 feet. Numerous showers.
.SATURDAY...West winds 15 knots veering north. Wind waves 3 feet.
Northwest swell 5 to 6 feet. Numerous showers.

$$

PHZ112-280230-
Kauai Leeward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...South winds 10 knots veering west in the afternoon. Wind
waves 2 feet or less then 3 feet in the afternoon. Mixed swell
northwest 4 feet and northeast 3 feet. Scattered showers in the
morning. Slight chance of thunderstorms through the day. Numerous
showers in the afternoon.
.TONIGHT...West winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 4 feet and northeast 3 feet. Numerous showers and
slight chance of thunderstorms.
.WEDNESDAY...North winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet in
the evening then 2 feet or less. Northwest swell 4 feet. Numerous
showers and slight chance of thunderstorms.
.THURSDAY...Northwest winds 10 knots. Wind waves 2 feet or less.
North swell 5 feet. Numerous showers in the morning. Slight
chance of thunderstorms through the day. Scattered showers in the
afternoon.
.THURSDAY NIGHT...Northwest winds 10 knots. Wind waves 2 feet or
less. North swell 6 feet. Numerous showers in the evening, then
scattered showers after midnight.
.FRIDAY...Northwest winds 10 knots. Wind waves 3 feet. North
swell 6 feet. Numerous showers.
.SATURDAY...Northwest winds 10 knots. Wind waves 2 feet or less.
Northwest swell 5 to 6 feet. Numerous showers.

$$

PHZ113-280230-
Kauai Channel-
317 AM HST Tue Oct 27 2020

.TODAY...Southwest winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Scattered showers and slight
chance of thunderstorms.
.TONIGHT...Southwest winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Numerous showers and slight
chance of thunderstorms.
.WEDNESDAY...West winds 15 knots veering northwest in the
afternoon. Wind waves 3 feet. Northwest swell 3 feet. Frequent
showers in the morning. Slight chance of thunderstorms through
the day. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet in
the evening then 2 feet or less. Northwest swell 4 feet. Numerous
showers and slight chance of thunderstorms.
.THURSDAY...West winds 10 knots. Wind waves 2 feet or less. North
swell 4 feet. Numerous showers in the morning. Slight chance of
thunderstorms through the day. Scattered showers in the
afternoon.
.THURSDAY NIGHT...West winds 10 knots. Wind waves 2 feet or less.
North swell 5 feet. Numerous showers in the evening, then
scattered showers after midnight.
.FRIDAY...West winds 10 knots. Wind waves 3 feet. North swell
5 to 6 feet. Numerous showers.
.SATURDAY...West winds 10 knots veering north after midnight.
Wind waves 2 feet or less. Northwest swell 5 feet. Numerous
showers.

$$

PHZ114-280230-
Oahu Windward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...South winds 10 knots veering west in the afternoon. Wind
waves 4 feet. Northwest swell 4 feet and northeast 3 feet.
Scattered showers and slight chance of thunderstorms.
.TONIGHT...Northwest winds 10 knots backing southwest after
midnight. Wind waves 3 feet. Northwest swell 4 feet and northeast
3 feet. Scattered showers in the evening. Slight chance of
thunderstorms through the night. Numerous showers after midnight.
.WEDNESDAY...West winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Winds variable less than 10 knots becoming
northwest 10 knots after midnight. Wind waves 3 feet. Northwest
swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY...West winds 10 knots. Wind waves 3 feet. North swell
4 feet. Numerous showers and slight chance of thunderstorms.
.THURSDAY NIGHT...West winds 10 knots. Wind waves 3 feet. North
swell 5 feet. Numerous showers.
.FRIDAY...Southwest winds 15 knots. Wind waves 3 feet. North
swell 5 to 6 feet. Numerous showers.
.SATURDAY...West winds 10 knots veering northwest after midnight.
Wind waves 3 feet. Northwest swell 5 feet. Scattered showers.

$$

PHZ115-280230-
Oahu Leeward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...South winds 10 knots. Wind waves 3 feet in the morning
then 2 feet or less. Northwest swell 4 feet and northeast 3 feet.
Scattered showers and slight chance of thunderstorms.
.TONIGHT...Southwest winds 10 knots. Wind waves 2 feet or less
then 3 feet after midnight. Northwest swell 4 feet and northeast
3 feet. Scattered showers in the evening. Slight chance of
thunderstorms through the night. Numerous showers after midnight.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet in
the evening then 2 feet or less. Northwest swell 3 feet. Numerous
showers and slight chance of thunderstorms.
.THURSDAY...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 5 feet. Numerous showers.
.FRIDAY...Southwest winds 10 knots. Wind waves 3 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 4 to 5 feet. Numerous showers.

$$

PHZ116-280230-
Kaiwi Channel-
317 AM HST Tue Oct 27 2020

.TODAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 4 feet. Northwest swell
4 feet and northeast 3 feet. Scattered showers and slight chance
of thunderstorms.
.TONIGHT...Southwest winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 feet. Scattered showers and slight
chance of thunderstorms.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 10 knots veering northwest
after midnight. Wind waves 3 feet in the evening then 2 feet or
less. Northwest swell 3 feet. Numerous showers and slight chance
of thunderstorms.
.THURSDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 2 feet or less. Northwest
swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...Southwest winds 10 knots. Wind waves 3 feet.
North swell 5 feet. Numerous showers.
.FRIDAY...Southwest winds 10 knots. Wind waves 3 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...West winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. Northwest swell 4 to 5 feet.
Scattered showers.

$$

PHZ117-280230-
Maui County Windward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet and northeast 3 feet. Scattered showers and slight
chance of thunderstorms.
.TONIGHT...South winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet and northeast 3 feet. Scattered showers in the
evening. Slight chance of thunderstorms through the night.
Numerous showers after midnight.
.WEDNESDAY...South winds 10 knots veering west in the afternoon.
Wind waves 3 feet. Northwest swell 3 feet. Numerous showers in
the morning. Slight chance of thunderstorms through the day.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY...Northwest winds 10 knots. Wind waves 2 feet or less.
Northwest swell 4 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...West winds 15 knots. Wind waves 3 feet. North
swell 5 feet. Numerous showers.
.FRIDAY...Southwest winds 15 knots. Wind waves 3 feet. North
swell 5 feet. Numerous showers.
.SATURDAY...West winds 10 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet. Scattered showers.

$$

PHZ118-280230-
Maui County Leeward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...South winds 10 knots. Wind waves 3 feet. Northwest swell
3 feet and northeast 3 feet. Scattered showers and slight chance
of thunderstorms.
.TONIGHT...Southwest winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet and northeast 3 feet. Scattered showers and slight
chance of thunderstorms.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 3 feet in the
morning then 2 feet or less. Northwest swell 3 feet. Numerous
showers and slight chance of thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet after midnight. Numerous showers and
slight chance of thunderstorms.
.THURSDAY...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Numerous showers in the morning. Slight
chance of thunderstorms through the day. Scattered showers in the
afternoon.
.THURSDAY NIGHT...West winds 10 knots. Wind waves 2 feet or less.
North swell 4 feet. Numerous showers.
.FRIDAY...Southwest winds 10 knots. Wind waves 2 feet or less.
North swell 4 feet. Scattered showers.
.SATURDAY...West winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 3 to 4 feet.
Scattered showers.

$$

PHZ119-280230-
Maalaea Bay-
317 AM HST Tue Oct 27 2020

.TODAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Scattered showers and slight chance of thunderstorms.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers in the evening. Slight chance of
thunderstorms through the night. Scattered showers after
midnight.
.WEDNESDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 2 feet or less. Scattered
showers in the morning. Slight chance of thunderstorms through
the day. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers in the evening. Slight chance
of thunderstorms through the night. Numerous showers after
midnight.
.THURSDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 2 feet or less. Scattered
showers in the morning. Slight chance of thunderstorms through
the day. Numerous showers in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots becoming
southwest 10 knots after midnight. Wind waves 2 feet or less.
Scattered showers.
.FRIDAY...Southwest winds 10 knots becoming variable less than
10 knots, then becoming southwest 10 knots after midnight. Wind
waves 2 feet or less. Scattered showers.
.SATURDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 2 feet or less. Scattered showers.

$$

PHZ120-280230-
Pailolo Channel-
317 AM HST Tue Oct 27 2020

.TODAY...South winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 3 feet and northeast 3 feet. Scattered showers and
slight chance of thunderstorms.
.TONIGHT...Southwest winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Mixed swell
northwest 3 feet and northeast 3 feet. Scattered showers and
slight chance of thunderstorms.
.WEDNESDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 2 feet or less. Northwest
swell 3 feet. Scattered showers in the morning. Slight chance of
thunderstorms through the day. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet. Numerous showers and slight chance
of thunderstorms.
.THURSDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 2 feet or less. Northwest
swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...Southwest winds 10 knots. Wind waves 2 feet or
less. Northwest swell 4 feet. Numerous showers.
.FRIDAY...Southwest winds 10 knots. Wind waves 2 feet or less.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...West winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. Northwest swell 4 feet.
Scattered showers.

$$

PHZ121-280230-
Alenuihaha Channel-
317 AM HST Tue Oct 27 2020

.TODAY...Southeast winds 15 knots veering southwest in the
afternoon. Wind waves 4 feet. Mixed swell northwest 4 feet and
northeast 3 feet. Scattered showers and slight chance of
thunderstorms.
.TONIGHT...West winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 4 feet and northeast 3 feet. Scattered showers and
slight chance of thunderstorms.
.WEDNESDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 3 feet in the morning then
2 feet or less. Northwest swell 3 feet. Numerous showers and
slight chance of thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 10 knots. Wind waves 2 feet or
less then 3 feet after midnight. Northwest swell 3 feet. Numerous
showers and slight chance of thunderstorms.
.THURSDAY...Southwest winds 15 knots. Wind waves 3 feet.
Northwest swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 4 feet. Numerous showers.
.FRIDAY...Southwest winds 10 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.SATURDAY...West winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Scattered showers.

$$

PHZ122-280230-
Big Island Windward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...Southeast winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet and northeast 3 feet. Scattered showers and slight
chance of thunderstorms.
.TONIGHT...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet and northeast 3 feet. Numerous showers and slight
chance of thunderstorms.
.WEDNESDAY...South winds 15 knots. Wind waves 3 feet. Northwest
swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 15 knots. Wind waves 3 feet.
Northwest swell 3 feet. Frequent showers in the evening. Slight
chance of thunderstorms through the night. Numerous showers after
midnight.
.THURSDAY...South winds 15 knots. Wind waves 3 feet. Northwest
swell 3 feet. Numerous showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...Southwest winds 15 knots. Wind waves 3 feet.
Northwest swell 4 feet. Numerous showers.
.FRIDAY...Southwest winds 15 knots. Wind waves 3 to 4 feet. North
swell 4 to 5 feet. Scattered showers.
.SATURDAY...West winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 4 feet. Scattered
showers.

$$

PHZ123-280230-
Big Island Leeward Waters-
317 AM HST Tue Oct 27 2020

.TODAY...West of the Big Island, south winds 20 knots becoming
northwest 10 knots in the afternoon. Near Kawaihae, north winds
10 knots in the morning becoming variable less than 10 knots.
Wind waves 5 feet. Northwest swell 3 feet and northeast 3 feet.
Numerous showers in the morning. Slight chance of thunderstorms
through the day. Scattered showers in the afternoon.
.TONIGHT...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Swell northeast 3 feet. Numerous showers and slight
chance of thunderstorms.
.WEDNESDAY...East winds 10 knots veering south in the afternoon.
Wind waves 3 feet. Northwest swell 3 feet. Numerous showers and
slight chance of thunderstorms.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Frequent showers in the evening.
Slight chance of thunderstorms through the night. Numerous
showers after midnight.
.THURSDAY...Southwest winds 10 knots. Wind waves 2 feet or less.
Numerous showers in the morning. Slight chance of thunderstorms
through the day. Scattered showers in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 3 feet. Scattered showers.
.FRIDAY...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Scattered showers.
.SATURDAY...West winds 10 knots veering northwest in the evening,
then becoming variable less than 10 knots after midnight. Wind
waves 2 feet or less. Northwest swell 3 feet. Scattered showers.

$$

PHZ124-280230-
Big Island Southeast Waters-
317 AM HST Tue Oct 27 2020

.TODAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 feet and northeast 3 feet. Numerous showers and slight chance
of thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet and northeast 3 feet. Numerous showers and slight
chance of thunderstorms.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Frequent showers in the morning. Slight
chance of thunderstorms through the day. Numerous showers in the
afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 knots. Wind waves 3 feet.
Numerous showers and slight chance of thunderstorms.
.THURSDAY...Southwest winds 15 knots. Wind waves 3 feet.
Scattered showers and slight chance of thunderstorms.
.THURSDAY NIGHT...Southwest winds 15 knots. Wind waves 3 feet.
Northwest swell 3 feet. Scattered showers.
.FRIDAY...Southwest winds 15 knots. Wind waves 3 feet. Northwest
swell 3 to 4 feet. Scattered showers.
.SATURDAY...West winds 10 knots. Wind waves 3 feet. Northwest
swell 3 to 4 feet. Scattered showers.

$$

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office



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