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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

401
FZHW50 PHFO 181932
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
932 AM HST Thu Apr 18 2019

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

PHZ100-190830-
932 AM HST Thu Apr 18 2019

.Synopsis for Hawaiian coastal waters...
The ridge will strengthen north of the state over the weekend,
then remain in place next week.

$$

PHZ110-190830-
Kauai Northwest Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 15 knots. Wind waves 4 feet.
Scattered showers late in the morning, then isolated showers in
the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
4 feet after midnight. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. North
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet in the morning. Isolated showers through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...East winds 20 knots. Wind waves 5 to 6 feet. Northwest
swell 3 feet. Isolated showers.

$$

PHZ111-190830-
Kauai Windward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 15 knots. Wind waves 5 feet.
Scattered showers late in the morning, then isolated showers in
the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. North swell
4 feet after midnight. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
5 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 20 knots. Wind waves 5 to 6 feet. Scattered
showers.
.MONDAY...East winds 20 knots. Wind waves 5 to 6 feet. Northwest
swell 3 feet. Scattered showers.

$$

PHZ112-190830-
Kauai Leeward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers late in the morning.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet after midnight. Isolated showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
5 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers in the morning.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY...East winds 15 knots. Wind waves 6 to 7 feet. Northwest
swell 3 feet. Isolated showers.

$$

PHZ113-190830-
Kauai Channel-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet after midnight. Isolated showers through the night.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
5 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY...East winds 20 knots. Wind waves 5 to 7 feet. Northwest
swell 3 feet. Isolated showers.

$$

PHZ114-190830-
Oahu Windward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
3 feet after midnight. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. North swell
5 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ115-190830-
Oahu Leeward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 20 knots. Wind waves 5 feet.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet after midnight.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. Northwest swell
4 feet.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
.SUNDAY...East winds 20 knots. Wind waves 5 feet.
.MONDAY...East winds 20 knots. Wind waves 5 to 7 feet.

$$

PHZ116-190830-
Kaiwi Channel-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet after midnight. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
5 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers in the evening.
Scattered showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Isolated
showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ117-190830-
Maui County Windward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 20 knots. Wind waves 5 feet.
Scattered showers late in the morning, then isolated showers in
the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. North swell
3 feet after midnight. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
5 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ118-190830-
Maui County Leeward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers late in the morning.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Isolated
showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 3 feet.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers after midnight.
.SATURDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 3 feet in the morning.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 5 to 6 feet.
.MONDAY...East winds 15 knots. Wind waves 6 feet.

$$

PHZ119-190830-
Maalaea Bay-
932 AM HST Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...North winds to 25 knots. Wind waves 3 feet.
.TONIGHT...Northeast winds to 25 knots. Wind waves 3 feet.
.FRIDAY...North winds to 25 knots. Wind waves 3 feet.
.FRIDAY NIGHT...Northeast winds to 25 knots. Wind waves 3 feet.
.SATURDAY...North winds to 25 knots. Wind waves 3 feet.
.SATURDAY NIGHT...Northeast winds to 30 knots. Wind waves 3 feet.
.SUNDAY...Northeast winds to 25 knots. Wind waves 3 feet.
.MONDAY...North winds 20 knots. Wind waves 3 to 4 feet.

$$

PHZ120-190830-
Pailolo Channel-
932 AM HST Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves 5 feet.
Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 5 feet. Isolated
showers.
.FRIDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 30 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...East winds to 30 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 30 knots. Wind waves 6 feet.
Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.

$$

PHZ121-190830-
Alenuihaha Channel-
932 AM HST Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves 7 feet.
Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Isolated
showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers.

$$

PHZ122-190830-
Big Island Windward Waters-
932 AM HST Thu Apr 18 2019

.REST OF TODAY...East winds 20 knots. Wind waves 5 feet.
Scattered showers late in the morning, then isolated showers in
the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Scattered
showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers.

$$

PHZ123-190830-
Big Island Leeward Waters-
932 AM HST Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...Southwest winds 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Isolated showers late in the morning.
.TONIGHT...West of the Big Island, northeast winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds to 25 knots. Wind waves 7 feet. Isolated
showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 7 feet. Northwest swell
3 feet in the afternoon. Isolated showers in the morning.
.FRIDAY NIGHT...West of the Big Island, winds variable less than
10 knots becoming southeast 10 knots after midnight. Near South
Point, east winds to 30 knots. Wind waves 7 feet. Northwest swell
3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 8 feet.
Northwest swell 3 feet in the morning. Isolated showers in the
morning.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 30 knots near South Point. Wind waves
8 feet. Isolated showers.
.SUNDAY...West of the Big Island, south winds 10 knots veering
west in the afternoon, then backing east. Near South Point, east
winds to 25 knots. Wind waves 8 feet. Isolated showers.
.MONDAY...West of the Big Island, southeast winds 10 knots
veering west in the afternoon, then backing east. Near South
Point, east winds to 25 knots. Wind waves 8 to 10 feet. Isolated
showers.

$$

PHZ124-190830-
Big Island Southeast Waters-
932 AM HST Thu Apr 18 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves 7 feet.
Isolated showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Isolated
showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet in the afternoon. Isolated showers through the day.
.FRIDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers through the day.
.SATURDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers.
.MONDAY...East winds to 25 knots. Wind waves 8 to 10 feet.
Isolated showers.

$$

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



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