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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

478
FZHW50 PHFO 151330
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 AM HST Sat Dec 15 2018

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

PHZ100-160200-
330 AM HST Sat Dec 15 2018

.Synopsis for Hawaiian coastal waters...
Moderate trade winds are expected through the weekend, with the
strongest winds in the typically windier areas near Maui and the
Big Island. A large northwest swell is expected to arrive
tonight, rapidly building seas in excess of 10 feet in waters
exposed to the swell.

$$

PHZ110-160200-
Kauai Northwest Waters-
330 AM HST Sat Dec 15 2018

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
5 feet increasing to 7 feet in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 12 feet. Isolated showers through the night.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
13 feet decreasing to 11 feet in the afternoon. Isolated showers
in the morning.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 10 feet. Isolated showers through the night.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 8 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 10 feet increasing to 14 feet after midnight.
Isolated showers through the night.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots. Wind
waves 6 to 8 feet. Northwest swell 14 to 16 feet. Isolated
showers.
.WEDNESDAY...East winds 15 knots. Wind waves 5 to 7 feet. North
swell 13 to 15 feet. Isolated showers.

$$

PHZ111-160200-
Kauai Windward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...East winds 15 knots. Wind waves 6 feet. Northwest swell
5 feet increasing to 7 feet in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 12 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
12 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Northwest
swell 10 feet. Isolated showers.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
8 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 10 feet increasing to 14 feet after midnight.
Isolated showers.
.TUESDAY...North winds 10 knots becoming northeast 20 knots. Wind
waves 5 to 7 feet. Northwest swell 14 to 16 feet. Isolated
showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 5 to 6 feet.
North swell 13 to 15 feet. Isolated showers.

$$

PHZ112-160200-
Kauai Leeward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 11 feet increasing to 13 feet after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
12 feet.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 11 feet decreasing to 9 feet after midnight.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 8 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 10 feet increasing to 13 feet after midnight.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots. Wind
waves 6 to 8 feet. Northwest swell 13 to 15 feet. Isolated
showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 to 8 feet.
North swell 12 to 14 feet. Isolated showers.

$$

PHZ113-160200-
Kauai Channel-
330 AM HST Sat Dec 15 2018

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 10 feet increasing to 13 feet after midnight. Isolated
light showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
12 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 10 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 8 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
North swell 9 feet increasing to northwest 12 feet after
midnight. Isolated showers after midnight.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots. Wind
waves 5 to 7 feet. Northwest swell 13 to 15 feet. Isolated
showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 to 8 feet.
North swell 12 to 14 feet. Isolated showers.

$$

PHZ114-160200-
Oahu Windward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 feet.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 11 feet increasing to 13 feet after midnight. Isolated
showers.
.SUNDAY...East winds 15 knots. Wind waves 6 feet. Northwest swell
13 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 11 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
9 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 9 feet increasing to 12 feet after midnight.
Isolated showers through the night.
.TUESDAY...Northeast winds 10 knots rising to to 25 knots. Wind
waves 5 to 7 feet. Northwest swell 13 to 15 feet. Isolated
showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 to 7 feet.
North swell 13 to 15 feet. Isolated showers.

$$

PHZ115-160200-
Oahu Leeward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet.
.TONIGHT...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 9 feet increasing to 12 feet after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
11 feet.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 9 feet.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 8 feet increasing to 10 feet after midnight.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots after
midnight. Wind waves 4 to 6 feet. Northwest swell 11 to 13 feet.
Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 to 8 feet.
Northwest swell 11 to 13 feet.

$$

PHZ116-160200-
Kaiwi Channel-
330 AM HST Sat Dec 15 2018

.TODAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 6 feet.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 9 feet increasing to 13 feet after midnight. Isolated light
showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
13 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 10 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
9 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
North swell 8 feet increasing to 11 feet after midnight. Isolated
showers after midnight.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots after
midnight. Wind waves 5 to 7 feet. Northwest swell 12 to 14 feet.
Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 to 8 feet.
North swell 13 to 14 feet. Isolated showers.

$$

PHZ117-160200-
Maui County Windward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 feet.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet increasing to 13 feet after midnight. Isolated
showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
13 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 11 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
9 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 8 feet increasing to 11 feet after midnight. Isolated
showers.
.TUESDAY...Northeast winds 10 knots becoming north to 25 knots
after midnight. Wind waves 4 to 6 feet. Northwest swell 12 to
14 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 to 7 feet.
Northwest swell 13 to 15 feet. Isolated showers.

$$

PHZ118-160200-
Maui County Leeward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet.
.TONIGHT...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 8 feet after midnight.
.SUNDAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 8 feet.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet.
.MONDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 6 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
North swell 5 feet increasing to 7 feet after midnight.
.TUESDAY...Northeast winds 10 knots rising to 20 knots. Wind
waves 4 to 6 feet. Northwest swell 8 to 10 feet. Isolated
showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 6 to 8 feet.
North swell 9 to 10 feet. Isolated showers.

$$

PHZ119-160200-
Maalaea Bay-
330 AM HST Sat Dec 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 3 feet in the
morning then 2 feet or less.
.TONIGHT...Northeast winds to 25 knots. Wind waves 2 feet or
less.
.SUNDAY...Northeast winds to 25 knots. Wind waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 2 feet or
less.
.MONDAY...Northeast winds 15 knots. Wind waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.TUESDAY...North winds 15 knots becoming northeast to 25 knots
after midnight. Wind waves 3 feet.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-160200-
Pailolo Channel-
330 AM HST Sat Dec 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 5 feet.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 7 feet increasing to 9 feet after midnight. Isolated
showers after midnight.
.SUNDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 10 feet.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 5 feet.
Northwest swell 8 feet. Isolated showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
7 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet. Isolated showers.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots after
midnight. Wind waves 3 to 5 feet. Northwest swell 9 to 11 feet.
Isolated showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 5 to 7 feet.
Northwest swell 11 feet. Isolated showers.

$$

PHZ121-160200-
Alenuihaha Channel-
330 AM HST Sat Dec 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 6 feet.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet increasing to 12 feet after midnight.
Isolated light showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 13 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 11 feet. Isolated showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
9 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 8 feet.
.TUESDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 11 to 13 feet. Isolated showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 12 to 14 feet. Isolated showers.

$$

PHZ122-160200-
Big Island Windward Waters-
330 AM HST Sat Dec 15 2018

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 6 feet. Isolated showers in the morning.
.TONIGHT...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 8 feet increasing to 12 feet after midnight. Isolated
showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
13 feet. Isolated showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 12 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
10 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 9 feet. Isolated showers.
.TUESDAY...Northeast winds 10 knots becoming north 20 knots after
midnight. Wind waves 4 to 5 feet. Northwest swell 12 to 14 feet.
Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 to 7 feet.
Northwest swell 13 to 14 feet. Isolated showers.

$$

PHZ123-160200-
Big Island Leeward Waters-
330 AM HST Sat Dec 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Northwest swell 3 feet.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Northwest swell 4 feet increasing to 6 feet after midnight.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Northwest swell 7 feet.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Northwest swell 7 feet.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers.
.TUESDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon, then
veering northeast. Near South Point, east winds 10 knots. Wind
waves 4 to 5 feet. Northwest swell 6 to 8 feet. Isolated showers.
.WEDNESDAY...West of the Big Island, northeast winds 15 knots
backing northwest in the afternoon, then becoming variable less
than 10 knots. Near South Point, east winds 15 knots. Wind waves
6 feet. Northwest swell 8 feet. Isolated showers.

$$

PHZ124-160200-
Big Island Southeast Waters-
330 AM HST Sat Dec 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Isolated showers in the morning.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet increasing to 8 feet after midnight.
Isolated showers.
.SUNDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 10 feet. Isolated showers in the morning.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 10 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 6 feet.
Northwest swell 7 feet. Isolated showers through the night.
.TUESDAY...Northeast winds 15 knots rising to to 25 knots after
midnight. Wind waves 5 to 6 feet. Northwest swell 8 to 10 feet.
Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 10 to 11 feet. Isolated showers.

$$

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



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