580
FZHW51 PHFO 100619
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
819 PM HST WED SEP 9 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
A SURFACE TROUGH OVER THE STATE WILL GRADUALLY MOVE WESTWARD
TONIGHT. AS THE TROUGH MOVES WEST, MODERATE TO LOCALLY FRESH
TRADE WINDS WILL GRADUALLY RETURN FROM EAST TO WEST ACROSS THE
ISLAND CHAIN THROUGH THROUGH THURSDAY AND THEN PERSIST INTO THE
WEEKEND.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
REST OF TONIGHT...EAST NORTHEAST WINDS 7 TO 10 KNOTS TO KAUAI
EAST 15 TO 20 KNOTS ELSEWHERE. SEAS 5 TO 7 FEET. WAVE DETAIL:
SOUTH SOUTHWEST 4 FEET AT 13 SECONDS, EAST 3 FEET AT 5 SECONDS,
NORTHWEST 3 FEET AT 9 SECONDS AND EAST 3 FEET AT 12 SECONDS.
SCATTERED SHOWERS.
THURSDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET. WAVE
DETAIL: EAST 4 FEET AT 6 SECONDS, EAST 3 FEET AT 12 SECONDS AND
SOUTH SOUTHWEST 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
THURSDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.
WAVE DETAIL: EAST NORTHEAST 3 FEET AT 5 SECONDS AND EAST 3 FEET
AT 11 SECONDS. SCATTERED SHOWERS.
FRIDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET. WAVE
DETAIL: EAST NORTHEAST 3 FEET AT 5 SECONDS. ISOLATED SHOWERS.
FRIDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
SCATTERED SHOWERS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. SEAS TO 3 FEET. ISOLATED
SHOWERS.
SATURDAY NIGHT
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. SCATTERED SHOWERS.
SUNDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS, RISING TO 15 TO
20 KNOTS. SEAS 3 TO 4 FEET, BUILDING TO 4 TO 6 FEET. ISOLATED
SHOWERS THROUGH THE NIGHT, THEN SCATTERED SHOWERS THROUGH THE
DAY.
MONDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
THEN TO 2 FEET OR LESS. ISOLATED SHOWERS THROUGH THE NIGHT, THEN
SCATTERED SHOWERS THROUGH THE DAY.
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