387
FZHW51 PHFO 091346
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
346 AM HST THU APR 9 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
SOUTH TO SOUTHEAST WINDS ARE EXPECTED TO STEADILY INCREASE
TO STRONG TO GALE FORCE SPEEDS THROUGH TONIGHT, AS A LOW PRESSURE
SYSTEM DEVELOPS JUST WEST OF THE STATE AND LIFTS NORTHWARD. THE
THREAT FOR HEAVY RAIN AND THUNDERSTORMS WILL ALSO BE INCREASING
ESPECIALLY TONIGHT INTO FRIDAY. VERY ROUGH CONDITIONS ARE
EXPECTED TO DEVELOP LATER TODAY INTO TONIGHT.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...GALE WARNING THROUGH EARLY FRIDAY MORNING FOR WATERS AROUND
KAUAI...KAUAI CHANNEL AND WATERS AROUND OAHU...
...GALE WATCH FROM THIS EVENING THROUGH FRIDAY AFTERNOON FOR KAIWI
CHANNEL...WATERS AROUND MAUI COUNTY...PAILOLO CHANNEL...ALENUIHAHA
CHANNEL AND WATERS AROUND THE BIG ISLAND...
...SMALL CRAFT ADVISORY THROUGH EARLY THIS MORNING FOR WATERS AROUND
KAUAI...KAUAI CHANNEL AND OAHU LEEWARD WATERS...
...SMALL CRAFT ADVISORY THROUGH LATE THIS AFTERNOON FOR KAIWI
CHANNEL...MAUI COUNTY WINDWARD WATERS...MAUI COUNTY LEEWARD
WATERS...ALENUIHAHA CHANNEL AND WATERS AROUND THE BIG ISLAND...
TODAY
SOUTH SOUTHEAST WINDS 25 TO 35 KNOTS NEAR KAUAI AND
OAHU...SOUTHEAST 20 TO 25 KNOTS ELSEWHERE. SEAS BUILDING TO 10 TO
14 FEET. WAVE DETAIL: SOUTH SOUTHEAST 11 FEET AT 7 SECONDS, SOUTH
SOUTHWEST 4 FEET AT 14 SECONDS AND NORTHWEST 3 FEET AT 11
SECONDS. HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
TONIGHT
SOUTH SOUTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO
12 FEET. WAVE DETAIL: SOUTHEAST 8 FEET AT 7 SECONDS, NORTHWEST
3 FEET AT 11 SECONDS AND SOUTH SOUTHWEST 3 FEET AT 14 SECONDS.
HEAVY SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY...WEST SOUTHWEST WINDS 10 TO 15 KNOTS TO KAUAI
SOUTH
SOUTHEAST 25 TO 30 KNOTS ELSEWHERE. SEAS 9 TO 12 FEET. WAVE
DETAIL: SOUTHEAST 8 FEET AT 8 SECONDS AND SOUTH SOUTHWEST 3 FEET
AT 13 SECONDS. FREQUENT HEAVY SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
FRIDAY NIGHT...WEST SOUTHWEST WINDS 10 TO 15 KNOTS TO KAUAI
SOUTH 20 TO 25 KNOTS ELSEWHERE. SEAS 6 TO 9 FEET. WAVE DETAIL:
NORTHWEST 4 FEET AT 11 SECONDS, SOUTHEAST 3 FEET AT 4 SECONDS AND
SOUTH SOUTHWEST 3 FEET AT 13 SECONDS. SCATTERED SHOWERS.
SATURDAY
SOUTH SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 5 TO
7 FEET. SCATTERED SHOWERS.
SATURDAY NIGHT
SOUTH SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
6 FEET. SCATTERED SHOWERS.
SUNDAY
SOUTH SOUTHWEST WINDS 10 TO 15 KNOTS, BACKING TO EAST
SOUTHEAST. SEAS 4 TO 6 FEET. ISOLATED THUNDERSTORMS THROUGH THE
NIGHT. SCATTERED SHOWERS.
MONDAY
EAST SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET.
SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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