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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

334
FZHW50 PHFO 061330
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 AM HST Mon Apr 6 2020

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

PHZ100-070145-
330 AM HST Mon Apr 6 2020

.Synopsis for Hawaiian coastal waters...
A weak frontal boundary located just west of Kauai will slowly
make its way through the Hawaiian waters over the next few days.
Moisture moving in from the south ahead of this front will bring
unsettled weather today into Tuesday. The remnants of this frontal
boundary is expected to linger near the eastern waters during the
second half of the week.

$$

PHZ110-070145-
Kauai Northwest Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
5 feet. Heavy showers likely and slight chance of thunderstorms.
.TONIGHT...West winds 10 knots. Wind waves 3 feet. Northwest
swell 6 feet. Scattered showers.
.TUESDAY...West winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
7 feet. Isolated showers.
.WEDNESDAY...Northwest winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet. Scattered showers.
.WEDNESDAY NIGHT...Northwest winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 5 feet. Scattered
showers.
.FRIDAY...Winds variable less than 10 knots becoming west
10 knots. Wind waves 3 feet. North swell 4 to 5 feet. Isolated
showers.

$$

PHZ111-070145-
Kauai Windward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...South winds 10 knots. Wind waves 3 feet. Northwest swell
5 feet. Scattered heavy showers in the morning. Slight chance of
thunderstorms through the day. Heavy showers likely in the
afternoon.
.TONIGHT...Southwest winds 15 knots veering west after midnight.
Wind waves 4 feet. Northwest swell 5 feet. Scattered showers.
.TUESDAY...Northwest winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 10 knots. Wind waves 4 feet.
Northwest swell 7 feet. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
6 feet. Scattered showers.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 5 feet. Scattered
showers.
.FRIDAY...Winds variable less than 10 knots becoming west
10 knots. Wind waves 3 feet. North swell 5 feet. Isolated
showers.

$$

PHZ112-070145-
Kauai Leeward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Southwest winds 10 knots. Wind waves 2 feet or less.
Northwest swell 5 feet. Heavy showers likely and slight chance of
thunderstorms.
.TONIGHT...Northwest winds 10 knots. Wind waves 2 feet or less
then 3 feet after midnight. Northwest swell 6 feet. Showers
likely.
.TUESDAY...West winds 10 knots. Wind waves 3 feet. Northwest
swell 7 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
7 feet. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon. Wind waves 2 feet or less. Northwest
swell 6 feet. Scattered showers.
.WEDNESDAY NIGHT...Northwest winds 10 knots. Wind waves 2 feet or
less. Northwest swell 5 feet. Scattered showers.
.THURSDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 5 feet.
Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming northwest
10 knots. Wind waves 2 feet or less. North swell 4 to 5 feet.
Isolated showers.

$$

PHZ113-070145-
Kauai Channel-
330 AM HST Mon Apr 6 2020

.TODAY...South winds 10 knots. Wind waves 3 feet. Northwest swell
4 feet. Scattered heavy showers in the morning. Slight chance of
thunderstorms through the day. Heavy showers likely in the
afternoon.
.TONIGHT...Southwest winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Showers likely.
.TUESDAY...Northwest winds 10 knots. Wind waves 4 feet. Northwest
swell 6 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet. Scattered showers.
.WEDNESDAY...West winds 10 knots. Wind waves 3 feet. Northwest
swell 6 feet. Scattered showers.
.WEDNESDAY NIGHT...Northwest winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. North swell 5 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming west
10 knots. Wind waves 2 feet or less. North swell 4 to 5 feet.
Isolated showers.

$$

PHZ114-070145-
Oahu Windward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...South winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Showers likely.
.TUESDAY...Southwest winds 20 knots veering northwest in the
afternoon. Wind waves 4 feet. Northwest swell 6 feet. Heavy
showers likely and slight chance of thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 7 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
6 feet. Scattered showers.
.WEDNESDAY NIGHT...Northwest winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
North swell 5 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 3 feet.
North swell 5 feet. Isolated showers.

$$

PHZ115-070145-
Oahu Leeward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Scattered heavy showers in the morning. Slight
chance of thunderstorms through the day. Heavy showers likely in
the afternoon.
.TONIGHT...South winds 15 knots. Wind waves 3 feet. Northwest
swell 4 feet. Showers likely.
.TUESDAY...Southwest winds 15 knots veering northwest in the
afternoon. Wind waves 3 feet. Northwest swell 5 feet. Heavy
showers likely and slight chance of thunderstorms.
.TUESDAY NIGHT...West winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Northwest swell 5 feet. Scattered
showers.
.WEDNESDAY...West winds 10 knots. Wind waves 2 feet or less.
Northwest swell 5 feet. Scattered showers.
.WEDNESDAY NIGHT...West winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Northwest
swell 5 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 4 to 5 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming west
10 knots in the evening, then becoming variable less than
10 knots after midnight. Wind waves 2 feet or less. North swell
4 to 5 feet. Isolated showers.

$$

PHZ116-070145-
Kaiwi Channel-
330 AM HST Mon Apr 6 2020

.TODAY...South winds 10 knots. Wind waves 4 feet. Northwest swell
4 feet. Scattered heavy showers in the morning. Slight chance of
thunderstorms through the day. Heavy showers likely in the
afternoon.
.TONIGHT...South winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Showers likely.
.TUESDAY...South winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
6 feet. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 5 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. Wind waves 2 feet or less.
North swell 4 to 5 feet. Scattered showers.

$$

PHZ117-070145-
Maui County Windward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Isolated heavy showers in the morning. Slight
chance of thunderstorms through the day. Scattered heavy showers
in the afternoon.
.TONIGHT...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY...South winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY NIGHT...Southwest winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 4 feet. Northwest swell
6 feet. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 5 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 3 feet.
North swell 5 feet. Scattered showers.

$$

PHZ118-070145-
Maui County Leeward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 15 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...South winds 15 knots. Wind waves 3 feet. Northwest
swell 3 feet. Showers likely.
.TUESDAY...South winds 15 knots. Wind waves 3 feet. Northwest
swell 4 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
4 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 3 feet in the morning then
2 feet or less. Northwest swell 4 feet. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 4 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 4 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 4 feet.
Scattered showers.

$$

PHZ119-070145-
Maalaea Bay-
330 AM HST Mon Apr 6 2020

.TODAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated heavy showers in the morning. Slight chance of
thunderstorms through the day. Scattered heavy showers in the
afternoon.
.TONIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 2 feet or less. Scattered
showers.
.TUESDAY...South winds 10 knots. Wind waves 2 feet or less. Heavy
showers likely and slight chance of thunderstorms.
.TUESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Scattered showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Scattered showers.

$$

PHZ120-070145-
Pailolo Channel-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...South winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Showers likely.
.TUESDAY...South winds 20 knots. Wind waves 3 feet. Northwest
swell 3 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY NIGHT...Southwest winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
4 feet. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
4 feet. Scattered showers.
.WEDNESDAY NIGHT...West winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
4 feet. Scattered showers.
.THURSDAY...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. Northwest swell 4 feet.
Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 2 feet or less. Northwest swell 4 feet.
Scattered showers.

$$

PHZ121-070145-
Alenuihaha Channel-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...South winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY...South winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...Southwest winds 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered showers.
.WEDNESDAY...Southwest winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet. Scattered showers.
.WEDNESDAY NIGHT...West winds 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots becoming west
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 4 to 5 feet.
Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming west
10 knots. Wind waves 3 feet. Northwest swell 4 to 5 feet.
Scattered showers.

$$

PHZ122-070145-
Big Island Windward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...Southeast winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...South winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet. Scattered showers.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Northwest
swell 6 feet. Scattered showers.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.FRIDAY...South winds 10 knots. Wind waves 3 feet. North swell
4 to 5 feet. Scattered showers.

$$

PHZ123-070145-
Big Island Leeward Waters-
330 AM HST Mon Apr 6 2020

.TODAY...South winds 10 knots west of the Big Island...variable
less than 10 knots near Kawaihae. Wind waves 4 feet. Northwest
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...West of the Big Island, south winds 15 knots. Near
Kawaihae, west winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 3 feet.
Scattered showers.
.TUESDAY...South winds 15 knots west of the Big Island...variable
less than 10 knots near Kawaihae. Wind waves 4 feet. Northwest
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Scattered showers.
.WEDNESDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 5 feet. Scattered showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 4 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet.
Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon, then becoming variable less than
10 knots. Wind waves 2 feet or less. Northwest swell 3 feet.
Scattered showers.

$$

PHZ124-070145-
Big Island Southeast Waters-
330 AM HST Mon Apr 6 2020

.TODAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers.
.TUESDAY...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 4 feet. Scattered showers.
.WEDNESDAY...South winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered showers.
.WEDNESDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Scattered showers.
.THURSDAY...Southwest winds 10 knots. Wind waves 3 feet.
Northwest swell 3 to 4 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet.
Scattered showers.

$$

The NWS is soliciting comments on a proposal to change Small Craft
Advisory to Small Craft Warning. This survey will be open through
May 24th, 2020. http://www.surveymonkey.com/r/VZGX6BF

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



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