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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

462
FZHW50 PHFO 220123
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
323 PM HST Sat Sep 21 2019

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

PHZ100-221415-
323 PM HST Sat Sep 21 2019

.Synopsis for Hawaiian coastal waters...
High pressure will remain far north-northeast of the islands
through the upcoming week. A trough will pass near the state
Sunday and linger northwest of the state Monday through middle of
next week. Unstable weather and wet conditions are expected
through early next week.

$$

PHZ110-221415-
Kauai Northwest Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered heavy showers and slight
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Scattered
heavy showers and slight chance of thunderstorms.
.MONDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet in the afternoon. Scattered heavy showers and slight
chance of thunderstorms in the morning, then heavy showers likely
in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Heavy showers likely.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet. Heavy showers likely in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
South swell 3 feet. Showers likely.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Showers likely.
.THURSDAY...East winds 10 knots. Wind waves 4 to 5 feet. Mixed
swell south 3 feet and northwest 3 to 4 feet. Showers likely.

$$

PHZ111-221415-
Kauai Windward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Scattered heavy
showers through the day. Slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Scattered
heavy showers and slight chance of thunderstorms.
.MONDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. South
swell 3 feet. Heavy showers likely.
.TUESDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Heavy showers likely in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
South swell 3 feet. Showers likely.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet. Showers likely.
.THURSDAY...East winds 10 knots. Wind waves 5 feet. Mixed swell
south 3 feet and northwest 3 feet. Showers likely.

$$

PHZ112-221415-
Kauai Leeward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered heavy showers and slight
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
South swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 4 feet. South
swell 3 feet. Heavy showers likely.
.TUESDAY...Southeast winds 15 knots. Wind waves 4 feet. South
swell 3 feet. Heavy showers likely in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
South swell 3 feet. Showers likely.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 3 to 4 feet.
South swell 3 feet. Showers likely.
.THURSDAY...Southeast winds 10 knots becoming variable less than
10 knots, then becoming southeast 10 knots after midnight. Wind
waves 3 feet. Mixed swell south 3 feet and northwest 3 to 4 feet.
Showers likely.

$$

PHZ113-221415-
Kauai Channel-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered heavy showers and slight
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Scattered
heavy showers and slight chance of thunderstorms.
.MONDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Heavy showers likely.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet. Heavy showers likely in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 5 feet. South
swell 3 feet. Showers likely.
.WEDNESDAY...East winds 10 knots. Wind waves 4 to 5 feet. South
swell 3 feet. Showers likely.
.THURSDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
south 3 feet and northwest 3 feet. Showers likely.

$$

PHZ114-221415-
Oahu Windward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered heavy
showers through the day. Slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
heavy showers and slight chance of thunderstorms.
.MONDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. South
swell 3 feet. Heavy showers likely.
.TUESDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Showers likely in the morning, then scattered showers in
the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 5 feet. South swell
3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Mixed swell
south 3 feet and northwest 3 feet. Scattered showers.

$$

PHZ115-221415-
Oahu Leeward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning. Slight chance of thunderstorms through
the day. Scattered heavy showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. South swell 3 feet after midnight. Scattered heavy
showers and slight chance of thunderstorms.
.MONDAY...East winds 10 knots. Wind waves 3 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. South
swell 3 feet. Showers likely.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Showers likely in the morning, then scattered showers in
the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 3 feet. South
swell 3 feet. Scattered showers in the evening, then showers
likely after midnight.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. South swell
3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. South swell
3 feet. Scattered showers.

$$

PHZ116-221415-
Kaiwi Channel-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning, then scattered heavy showers and slight
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. South
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Showers likely in the evening, then scattered
showers after midnight.
.TUESDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 4 to 5 feet. South
swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 5 feet. South swell
3 to 4 feet. Scattered showers.

$$

PHZ117-221415-
Maui County Windward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers and slight chance of thunderstorms.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered heavy
showers and slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
heavy showers and slight chance of thunderstorms.
.MONDAY...East winds 20 knots. Wind waves 6 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then heavy showers likely in the
afternoon.
.MONDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Showers likely in the evening, then scattered
showers after midnight.
.TUESDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Southwest
swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 5 feet. Southwest
swell 3 feet. Scattered showers.

$$

PHZ118-221415-
Maui County Leeward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers in the evening. Slight chance of thunderstorms through
the night. Scattered showers after midnight.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet in the afternoon. Scattered heavy showers and slight
chance of thunderstorms.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 4 feet. South
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then showers likely in the
afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.TUESDAY...East winds 10 knots. Wind waves 5 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 4 feet. South
swell 3 feet. Scattered showers through the night.
.WEDNESDAY...East winds 10 knots in the morning becoming variable
less than 10 knots, then becoming east 10 knots after midnight.
Wind waves 3 feet. South swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. South swell
3 to 4 feet. Scattered showers.

$$

PHZ119-221415-
Maalaea Bay-
323 PM HST Sat Sep 21 2019

.TONIGHT...North winds 20 knots. Wind waves 3 feet in the evening
then 2 feet or less. Isolated showers.
.SUNDAY...North winds 15 knots. Wind waves 2 feet or less.
Scattered heavy showers and slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...North winds 15 knots. Wind waves 2 feet or less.
Scattered heavy showers in the evening. Slight chance of
thunderstorms through the night. Isolated showers after midnight.
.MONDAY...North winds to 25 knots. Wind waves 2 feet or less.
South swell 3 feet in the afternoon. Isolated showers and slight
chance of thunderstorms in the morning, then scattered showers in
the afternoon.
.MONDAY NIGHT...North winds 20 knots. Wind waves 2 feet or less.
South swell 3 feet in the evening. Scattered showers in the
evening, then isolated showers after midnight.
.TUESDAY...North winds 20 knots. Wind waves 2 feet or less.
Isolated showers in the morning.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 2 feet or less.
.WEDNESDAY...Northeast winds 15 knots in the morning becoming
variable less than 10 knots, then becoming north 10 knots in the
evening becoming variable less than 10 knots. Wind waves 2 feet
or less.
.THURSDAY...North winds 10 knots veering southeast in the
afternoon, then backing north. Wind waves 2 feet or less.

$$

PHZ120-221415-
Pailolo Channel-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 5 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered heavy
showers through the day. Slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 6 feet. South
swell 3 feet after midnight. Scattered heavy showers and slight
chance of thunderstorms.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then showers likely in the
afternoon.
.MONDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 5 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 20 knots easing to 10 knots after
midnight. Wind waves 5 feet. South swell 3 feet. Scattered
showers through the night.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Scattered showers.

$$

PHZ121-221415-
Alenuihaha Channel-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 7 feet. Scattered
showers and slight chance of thunderstorms.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered heavy
showers and slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...East winds 20 knots. Wind waves 6 feet. South swell
3 feet. Slight chance of thunderstorms in the morning. Scattered
showers through the day.
.MONDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 6 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered showers through the night.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 to 4 feet. Scattered showers.

$$

PHZ122-221415-
Big Island Windward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 15 knots. Wind waves 5 feet. Scattered
showers and slight chance of thunderstorms.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered heavy
showers and slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then showers likely in the
afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 to 4 feet. Isolated showers.

$$

PHZ123-221415-
Big Island Leeward Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Slight chance of thunderstorms and isolated showers.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet. South
swell 3 feet in the afternoon. Scattered heavy showers and slight
chance of thunderstorms.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet. South
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet. South
swell 3 feet. Slight chance of thunderstorms in the morning.
Scattered showers through the day.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet. South
swell 3 feet. Scattered showers.
.TUESDAY...Northwest winds 10 knots west of the Big Island...east
15 knots near South Point. Wind waves 6 feet. South swell 3 feet.
Scattered showers in the morning, then isolated showers in the
afternoon.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 5 feet.
South swell 3 feet. Scattered showers through the night.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 4 feet. South
swell 3 feet. Scattered showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 4 feet. South
swell 3 to 4 feet. Scattered showers.

$$

PHZ124-221415-
Big Island Southeast Waters-
323 PM HST Sat Sep 21 2019

.TONIGHT...East winds 20 knots. Wind waves 7 feet. Scattered
showers and slight chance of thunderstorms.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. South swell
3 feet in the afternoon. Scattered heavy showers and slight
chance of thunderstorms.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered heavy showers and slight chance of
thunderstorms.
.MONDAY...East winds 20 knots. Wind waves 5 feet. South swell
3 feet. Scattered heavy showers and slight chance of
thunderstorms in the morning, then showers likely in the
afternoon.
.MONDAY NIGHT...East winds 20 knots. Wind waves 6 feet. South
swell 3 feet. Showers likely in the evening, then scattered
showers after midnight.
.TUESDAY...East winds 15 knots. Wind waves 6 feet. South swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. South
swell 3 feet. Scattered showers through the night.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. South swell
3 feet. Scattered showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 4 feet. South
swell 3 to 4 feet. Scattered showers.

$$

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



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It was last modified on: Wed, Dec 17 2014 - 1841 UTC
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