Coastal Waters Forecast
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557
FZHW51 PHFO 291318
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
318 AM HST Tue Jul 29 2025

.Synopsis for Hawaiian coastal waters...
 Trade winds will gradually increase to fresh to locally strong
levels later today into Wednesday as a high pressure ridge north
of the islands builds into the region and Hurricane Iona and
Tropical Storm Keli pass westward, several hundred miles south of
the Hawaiian Islands. This ridge will keep locally strong will
maintain locally strong trade winds in the forecast through the
weekend.

$$

Hawaiian waters within 40 nautical miles including the channels-

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY AFTERNOON FOR KAIWI
CHANNEL...MAUI COUNTY WINDWARD WATERS...MAALAEA BAY...PAILOLO
CHANNEL...ALENUIHAHA CHANNEL AND WATERS AROUND THE BIG ISLAND...

.TODAY...East winds 20 to 25 knots. Seas 5 to 8 feet. Wave
Detail: East southeast 5 feet at 7 seconds and southeast 3 feet
at 10 seconds. Isolated showers.
.TONIGHT...East winds 20 to 25 knots. Seas 6 to 9 feet. Wave
Detail: East southeast 5 feet at 7 seconds, southeast 3 feet at
10 seconds and south 3 feet at 16 seconds. Scattered showers.
.WEDNESDAY...East winds 15 to 20 knots to Kauai...east 25 to
30 knots elsewhere. Seas 7 to 10 feet. Wave Detail: East
southeast 5 feet at 7 seconds, south 4 feet at 20 seconds and
southeast 3 feet at 10 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 8 to 11 feet.
Wave Detail: East 6 feet at 7 seconds, south 4 feet at 19 seconds
and southeast 3 feet at 9 seconds. Isolated showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 8 to
11 feet. Isolated showers.
.THURSDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to
10 feet. Isolated showers.
.FRIDAY...Alenuihaha Channel, east northeast winds 20 to
25 knots, rising to 25 to 30 knots. Elsewhere, east northeast
winds 15 to 20 knots. Seas 7 to 10 feet, subsiding to 6 to
8 feet. Isolated showers through the night. Scattered showers
through the day.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 6 to
8 feet. Isolated showers through the night. Scattered showers
through the day.

$$