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National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 171328
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
328 AM HST Mon Dec 17 2018

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

PHZ100-180145-
328 AM HST Mon Dec 17 2018

Synopsis for Hawaiian coastal waters

High pressure north of the state will maintain moderate to
locally strong trade winds today, with some weakening tonight and 
Tuesday. A front will make its way down the island chain late
Tuesday into Wednesday and will bring strong northeast winds.
Another large northwest swell is expected to build on Tuesday,
rapidly building seas in excess of 10 feet in waters exposed to
the swell.



PHZ110-180145-
Kauai Northwest Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
Northeast winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet.

TONIGHT
Northeast winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Isolated
showers.

TUESDAY
North winds 15 knots rising to to 25 knots in the
afternoon. Wind waves 4 feet. Northwest swell 13 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 13 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 12 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 10 feet.

THURSDAY
East winds 15 knots. Wind waves 4 feet. North swell
7 to 9 feet. Isolated showers.

FRIDAY
East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 5 to 6 feet. Isolated showers. 



PHZ111-180145-
Kauai Windward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 10 knots. Wind waves 3 feet. Northwest swell
8 feet.

TONIGHT
Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Isolated
showers.

TUESDAY
North winds 10 knots rising to to 25 knots in the
afternoon. Wind waves 4 feet. Northwest swell 13 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 13 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 11 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 10 feet.

THURSDAY
East winds 15 knots. Wind waves 4 feet. North swell
7 to 9 feet. Isolated showers.

FRIDAY
East winds 10 knots. Wind waves 4 feet. Northwest swell
5 to 6 feet. Isolated showers. 



PHZ112-180145-
Kauai Leeward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
8 feet.

TONIGHT
Northeast winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Isolated
showers after midnight.

TUESDAY
North winds 15 knots rising to to 25 knots in the
afternoon. Wind waves 5 feet. Northwest swell 12 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 13 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots...northeast 10 knots
in the Kaulakahi Channel. Wind waves 6 feet. Northwest swell
9 feet.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet. North
swell 7 to 9 feet.

FRIDAY
East winds 10 knots. Wind waves 3 feet. Northwest swell
5 to 6 feet. 



PHZ113-180145-
Kauai Channel-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 8 feet.

TONIGHT
Northeast winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet. Isolated showers.

TUESDAY
Northeast winds 10 knots becoming north 20 knots in
the afternoon. Wind waves 4 feet. Northwest swell 12 feet.
Isolated showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 12 feet. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Isolated showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet.

THURSDAY
East winds 15 knots. Wind waves 4 feet. North swell
7 to 9 feet.

FRIDAY
East winds 10 knots. Wind waves 3 feet. North swell
5 to 6 feet. 



PHZ114-180145-
Oahu Windward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
10 feet.

TONIGHT
East winds 10 knots. Wind waves 3 feet. Northwest
swell 9 feet. Isolated showers.

TUESDAY
Northeast winds 10 knots becoming north 20 knots in
the afternoon. Wind waves 4 feet. Northwest swell 12 feet.
Isolated showers.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 13 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 10 feet.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet. North
swell 7 to 9 feet. Isolated showers.

FRIDAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
5 to 7 feet. Isolated showers. 



PHZ115-180145-
Oahu Leeward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
7 feet.

TONIGHT
Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 7 feet.

TUESDAY
Northeast winds 10 knots becoming north 20 knots in
the afternoon. Wind waves 3 feet. Northwest swell 10 feet
increasing to 12 feet in the afternoon. Isolated showers in the
afternoon.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 10 feet. Isolated showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 6 to 8 feet.

FRIDAY
East winds 10 knots. Wind waves 3 feet. Northwest swell
4 to 6 feet. 



PHZ116-180145-
Kaiwi Channel-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 9 feet.

TONIGHT
Northeast winds 15 knots. Wind waves 4 feet. North
swell 8 feet. Isolated showers.

TUESDAY
North winds 10 knots. Wind waves 3 feet. Northwest
swell 11 feet. Isolated showers through the day.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 12 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet. North
swell 7 to 9 feet.

FRIDAY
East winds 15 knots. Wind waves 4 feet. North swell
5 to 7 feet. Isolated showers. 



PHZ117-180145-
Maui County Windward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
9 feet. Isolated showers in the afternoon.

TONIGHT
East winds 15 knots. Wind waves 4 feet. Northwest
swell 8 feet. Isolated showers.

TUESDAY
East winds 10 knots backing north in the afternoon.
Wind waves 3 feet. Northwest swell 11 feet increasing to 13 feet
in the afternoon. Isolated showers.

TUESDAY NIGHT
North winds 20 knots. Wind waves 5 feet.
Northwest swell 12 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 12 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 10 feet.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 8 to 10 feet. Isolated showers.

FRIDAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
5 to 7 feet. Isolated showers. 



PHZ118-180145-
Maui County Leeward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet.

TONIGHT
Northeast winds 15 knots. Wind waves 4 feet. North
swell 5 feet.

TUESDAY
Northeast winds 10 knots backing north in the
afternoon. Wind waves 2 feet or less then 3 feet in the
afternoon. Northwest swell 7 feet. Isolated showers in the
afternoon.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 8 feet. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers in the morning.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 7 feet.

THURSDAY
Northeast winds 15 knots. Wind waves 4 feet. North
swell 5 to 7 feet.

FRIDAY
Northeast winds 10 knots. Wind waves 3 feet. North
swell 4 to 5 feet. 



PHZ119-180145-
Maalaea Bay-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
North winds 20 knots. Wind waves 3 feet.

TONIGHT
North winds 20 knots. Wind waves 2 feet or less.

TUESDAY
North winds 10 knots backing northwest in the
afternoon. Wind waves 2 feet or less.

TUESDAY NIGHT
North winds 15 knots. Wind waves 2 feet or less.

WEDNESDAY
North winds to 25 knots. Wind waves 3 feet.

WEDNESDAY NIGHT
North winds to 25 knots. Wind waves 3 feet.

THURSDAY
North winds 20 knots. Wind waves 2 feet or less.

FRIDAY
North winds 20 knots. Wind waves 2 feet or less. 



PHZ120-180145-
Pailolo Channel-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 20 knots. Wind waves 4 feet. Northwest swell
7 feet.

TONIGHT
East winds 20 knots. Wind waves 4 feet. Northwest
swell 7 feet. Isolated showers after midnight.

TUESDAY
East winds 10 knots backing north in the afternoon.
Wind waves 2 feet or less. Northwest swell 8 feet. Isolated
showers.

TUESDAY NIGHT
North winds 15 knots becoming northeast to
25 knots after midnight. Wind waves 4 feet. Northwest swell
9 feet. Scattered showers.

WEDNESDAY
Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 9 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds to 25 knots. Wind waves
5 feet. Northwest swell 8 feet.

THURSDAY
East winds 20 knots. Wind waves 4 feet. Northwest
swell 6 to 8 feet.

FRIDAY
East winds 15 knots rising to 20 knots. Wind waves 3 to
4 feet. North swell 4 to 6 feet. 



PHZ121-180145-
Alenuihaha Channel-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 20 knots. Wind waves 7 feet. Northwest swell
9 feet.

TONIGHT
Northeast winds 20 knots. Wind waves 5 feet. Northwest
swell 8 feet. Isolated showers.

TUESDAY
Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 9 feet increasing to 11 feet in the afternoon. Isolated
showers.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 12 feet. Scattered showers.

WEDNESDAY
Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers in the morning.

WEDNESDAY NIGHT
Northeast winds to 25 knots. Wind waves
7 feet. Northwest swell 10 feet.

THURSDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 7 to 9 feet.

FRIDAY
East winds 20 knots. Wind waves 4 to 5 feet. Northwest
swell 5 to 7 feet. 



PHZ122-180145-
Big Island Windward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
East winds 20 knots. Wind waves 4 feet. Northwest swell
10 feet. Isolated showers in the afternoon.

TONIGHT
East winds 15 knots. Wind waves 4 feet. Northwest
swell 8 feet. Isolated showers.

TUESDAY
East winds 10 knots. Wind waves 3 feet. Northwest
swell 10 feet increasing to 12 feet in the afternoon. Isolated
showers.

TUESDAY NIGHT
North winds 15 knots. Wind waves 4 feet.
Northwest swell 12 feet. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers in the morning, then
isolated showers in the afternoon.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 10 feet. Isolated showers.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 8 to 10 feet. Isolated showers.

FRIDAY
East winds 15 knots. Wind waves 4 feet. Northwest swell
5 to 7 feet. Isolated showers. 



PHZ123-180145-
Big Island Leeward Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 6 feet.

TONIGHT
Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers after midnight.

TUESDAY
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet.
Northwest swell 5 feet. Isolated showers in the morning.

TUESDAY NIGHT
West of the Big Island, north winds 15 knots.
Near South Point, winds variable less than 10 knots becoming east
10 knots after midnight. Wind waves 4 feet. Northwest swell
7 feet.

WEDNESDAY
Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 7 feet. Isolated showers in the afternoon.

WEDNESDAY NIGHT
Northeast winds 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 7 feet. Isolated showers.

THURSDAY
Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet.
Northwest swell 5 to 6 feet.

FRIDAY
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 to 6 feet.
Northwest swell 3 to 5 feet. 



PHZ124-180145-
Big Island Southeast Waters-
328 AM HST Mon Dec 17 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON


TODAY
Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 8 feet. Isolated showers through the day.

TONIGHT
East winds 20 knots. Wind waves 5 feet. Northwest
swell 7 feet. Isolated showers.

TUESDAY
East winds 10 knots. Wind waves 3 feet. Northwest
swell 7 feet. Isolated showers.

TUESDAY NIGHT
Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 9 feet. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet. Isolated showers through the day.

WEDNESDAY NIGHT
Northeast winds to 25 knots. Wind waves
7 feet. Northwest swell 8 feet. Isolated showers.

THURSDAY
Northeast winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 6 to 8 feet. Isolated showers.

FRIDAY
East winds 20 knots. Wind waves 6 feet. Northwest swell
5 to 6 feet. Isolated showers.