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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

282
FZHW50 PHFO 291927
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
927 AM HST Sun Mar 29 2020

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

PHZ100-300745-
927 AM HST Sun Mar 29 2020

.Synopsis for Hawaiian coastal waters...
High pressure north of the islands will weaken as it slides
eastward through midweek. This will lead to a gradual easing of
the trade winds across the marine area. A trough aloft over the
islands will keep a slight chance of thunderstorms in place
through this evening. The trough will redevelop over the state
Tuesday and Wednesday.

$$

PHZ110-300745-
Kauai Northwest Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Slight chance
of thunderstorms in the evening. Scattered showers through the
night.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 to 4 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ111-300745-
Kauai Windward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 8 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 7 feet. Slight chance
of thunderstorms in the evening. Scattered showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 5 feet.
Northwest swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 to 4 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ112-300745-
Kauai Leeward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 15 knots. Wind waves 6 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Slight chance
of thunderstorms in the evening. Scattered showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 to 4 feet. Northwest
swell 3 feet. Isolated showers.

$$

PHZ113-300745-
Kauai Channel-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Slight chance
of thunderstorms in the evening. Isolated showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 6 feet. Isolated
showers through the day.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet in the afternoon. Isolated showers.
.TUESDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 to 4 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ114-300745-
Oahu Windward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 8 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Slight chance
of thunderstorms in the evening. Scattered showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet in the afternoon. Scattered showers in the morning,
then isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 3 feet. Scattered
showers.

$$

PHZ115-300745-
Oahu Leeward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 15 knots. Wind waves 5 feet. Slight
chance of thunderstorms and isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Slight chance
of thunderstorms in the evening. Isolated showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers through the day.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
.TUESDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Isolated showers in the evening.
.WEDNESDAY...Northeast winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Isolated showers.

$$

PHZ116-300745-
Kaiwi Channel-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 8 feet.
Scattered showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Scattered
showers and slight chance of thunderstorms in the evening, then
isolated showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers through the day.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 5 feet. Isolated
showers through the day.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers in the evening.
Scattered showers after midnight.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet. Northwest swell 3 feet.
Isolated showers.

$$

PHZ117-300745-
Maui County Windward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 8 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Slight chance
of thunderstorms in the evening. Scattered showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered showers.
.THURSDAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Scattered showers.

$$

PHZ118-300745-
Maui County Leeward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 6 feet. Slight
chance of thunderstorms and isolated showers through the day.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Slight chance
of thunderstorms in the evening. Isolated showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers in the morning.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Isolated showers after midnight.
.TUESDAY...Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers through the day.
.TUESDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet in the evening
then 2 feet or less. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots becoming east
10 knots. Wind waves 2 feet or less. Isolated showers.
.THURSDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Isolated
showers.

$$

PHZ119-300745-
Maalaea Bay-
927 AM HST Sun Mar 29 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TODAY...North winds to 25 knots. Wind waves 2 feet or
less.
.TONIGHT...North winds to 25 knots. Wind waves 2 feet or less.
.MONDAY...North winds 20 knots. Wind waves 2 feet or less.
Isolated showers in the afternoon.
.MONDAY NIGHT...North winds 20 knots. Wind waves 2 feet or less.
.TUESDAY...North winds 20 knots. Wind waves 2 feet or less.
Isolated showers in the afternoon.
.TUESDAY NIGHT...North winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the evening.
.WEDNESDAY...North winds 15 knots becoming variable less than
10 knots. Wind waves 2 feet or less. Isolated showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers.

$$

PHZ120-300745-
Pailolo Channel-
927 AM HST Sun Mar 29 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TODAY...East winds to 25 knots. Wind waves 7 feet.
Isolated showers. Slight chance of thunderstorms through the day.
Scattered showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Slight
chance of thunderstorms in the evening. Scattered showers through
the night.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 20 knots. Wind waves 4 feet. Isolated
showers through the day.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.WEDNESDAY...East winds 15 knots becoming variable less than
10 knots. Wind waves 3 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Isolated showers.

$$

PHZ121-300745-
Alenuihaha Channel-
927 AM HST Sun Mar 29 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TODAY...East winds to 25 knots. Wind waves 7 feet.
Isolated showers. Slight chance of thunderstorms through the day.
Scattered showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Scattered
showers and slight chance of thunderstorms in the evening.
Isolated showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers through the day.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Isolated
showers.
.WEDNESDAY...East winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.

$$

PHZ122-300745-
Big Island Windward Waters-
927 AM HST Sun Mar 29 2020

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Slight chance
of thunderstorms in the evening. Scattered showers through the
night.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Scattered showers.
.WEDNESDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Showers likely.

$$

PHZ123-300745-
Big Island Leeward Waters-
927 AM HST Sun Mar 29 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Slight chance of thunderstorms and isolated showers
through the day.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Slight chance of thunderstorms in the evening. Isolated showers
through the night.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet.
Isolated showers through the day.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 feet.
Isolated showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Isolated showers.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 10 knots near South Point. Wind waves 5 feet.
Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 3 feet.
Isolated showers.
.THURSDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 10 knots becoming variable
less than 10 knots. Wind waves 3 feet. Isolated showers.

$$

PHZ124-300745-
Big Island Southeast Waters-
927 AM HST Sun Mar 29 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TODAY...East winds to 25 knots. Wind waves 7 feet.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Slight
chance of thunderstorms in the evening. Scattered showers through
the night.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 5 feet.
Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Scattered
showers.
.THURSDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Showers likely.

$$

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



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