614
FZHW51 PHFO 280121
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
321 PM HST TUE OCT 27 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
A VIGOROUS SURFACE TROUGH AND POSSIBLE AREA OF LOW PRESSURE WILL
MOVE INTO MAUI COUNTY AND OAHU WATERS TONIGHT AND WEDNESDAY. THIS
FEATURE WILL BRING HEAVY SHOWERS WITH EMBEDDED THUNDERSTORMS
CAPABLE OF PRODUCING STRONG AND GUSTY WINDS. THE TROUGH WILL
WEAKEN AND DRIFT SOUTHWARD THURSDAY AND FRIDAY AS HIGH PRESSURE
BUILDS FAR NORTH OF THE ISLANDS.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...SMALL CRAFT ADVISORY FOR MAUI COUNTY AND OAHU WATERS TONIGHT
AND WEDNESDAY...
TONIGHT
OAHU AND KAUAI WATERS, EAST NORTHEAST WINDS 15 TO 25
KNOTS, STRONGEST AROUND OAHU. MAUI COUNTY AND BIG ISLAND WATERS,
EAST TO SOUTHEAST WINDS 15 TO 25 KT, STRONGEST MAUI COUNTY
WATERS. SEAS 4 TO 9 FEET. WAVE DETAIL: NORTHWEST 5 FEET AT 12
SECONDS, EAST SOUTHEAST 4 FEET AT 5 SECONDS, SOUTH SOUTHWEST 3
FEET AT 15 SECONDS AND NORTH NORTHEAST 3 FEET AT 9 SECONDS.
OCCASIONAL HEAVY SHOWERS WITH SCATTERED THUNDERSTORMS.
WEDNESDAY
OAHU AND KAUAI WATERS, EAST NORTHEAST WINDS 15 TO 25
KNOTS, STRONGEST AROUND OAHU. MAUI COUNTY AND BIG ISLAND WATERS,
SOUTHEAST TO SOUTH WINDS 15 TO 25 KT, STRONGEST MAUI COUNTY
WATERS. SEAS 5 TO 10 FEET. WAVE DETAIL: EAST 5 FEET AT 6 SECONDS,
NORTH NORTHEAST 4 FEET AT 10 SECONDS, NORTHWEST 4 FEET AT 12
SECONDS AND SOUTH 3 FEET AT 14 SECONDS. OCCASIONAL HEAVY SHOWERS
WITH SCATTERED THUNDERSTORMS.
WEDNESDAY NIGHT
EAST NORTHEAST 10 TO 20 KNOTS, EXCEPT SOUTH TO
SOUTHWEST WINDS 10 TO 15 KNOTS BIG ISLAND WATERS. SEAS 5 TO 8
FEET. WAVE DETAIL: EAST NORTHEAST 4 FEET AT 6 SECONDS, NORTH
NORTHEAST 4 FEET AT 11 SECONDS, SOUTH 4 FEET AT 16 SECONDS AND
NORTHWEST 3 FEET AT 11 SECONDS. NUMEROUS HEAVY SHOWERS WITH
ISOLATED THUNDERSTORMS.
THURSDAY
EAST NORTHEAST 10 TO 20 KNOTS, EXCEPT SOUTH WINDS 10
TO 15 KNOTS BIG ISLAND WATERS. SEAS 5 TO 8 FEET. WAVE DETAIL:
EAST 4 FEET AT 6 SECONDS, NORTH NORTHEAST 4 FEET AT 10 SECONDS
AND SOUTH 3 FEET AT 16 SECONDS. SCATTERED SHOWERS.
THURSDAY NIGHT
EAST NORTHEAST 10 TO 15 KNOTS, EXCEPT VARIABLE
WINDS 10 KNOTS BIG ISLAND WATERS. SEAS 5 TO 7 FEET. SCATTERED
SHOWERS.
FRIDAY THROUGH SATURDAY
NORTHEAST WINDS 10 TO 20 KNOTS. SEAS 5
TO 7 FEET. SCATTERED SHOWERS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 10 FEET.
SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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