492
FZHW51 PHFO 181302
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
302 AM HST TUE AUG 18 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
HIGH PRESSURE FAR NORTHEAST OF THE WATERS WILL REMAIN NEARLY
STATIONARY AND SLOWLY WEAKEN THROUGH THURSDAY. BY FRIDAY, THE HIGH
WILL DRIFT SOUTHEAST AS MODERATE TO LOCALLY FRESH TRADE WINDS
WILL LIKELY BUILD BACK IN.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
TODAY
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET. WAVE
DETAIL: EAST 5 FEET AT 6 SECONDS AND SOUTH 3 FEET AT 13 SECONDS.
ISOLATED SHOWERS.
TONIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET.
WAVE DETAIL: EAST 4 FEET AT 6 SECONDS. SCATTERED SHOWERS.
WEDNESDAY AND WEDNESDAY NIGHT
EAST NORTHEAST WINDS 10 TO 15
KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 6 SECONDS.
SCATTERED SHOWERS.
THURSDAY AND THURSDAY NIGHT
EAST NORTHEAST WINDS 10 TO 15
KNOTS. SEAS 3 TO 4 FEET. SCATTERED SHOWERS.
FRIDAY AND SATURDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS
5 TO 8 FEET. ISOLATED SHOWERS.
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