434
FZHW51 PHFO 181312
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
312 AM HST TUE NOV 18 2025
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
A FRONT FAR TO THE NORTHWEST WILL CONTINUE TO MOVE TOWARDS THE
ISLANDS THROUGH WEDNESDAY, PUSHING THE RIDGE TO THE NORTH TO THE
EAST. MEANWHILE, A WEAK SURFACE TROUGH MAY DEVELOP SOUTHEAST OF
THE BIG ISLAND. EASTERLY TRADES WILL EASE TO LIGHT TO MODERATE,
AND VEER EAST-SOUTHEAST TODAY. THE FRONT WILL WEAKEN NEAR THE FAR
NORTHWEST COASTAL WATERS WEDNESDAY BEFORE LIFTING NORTH WHILE THE
TROUGH DISSIPATES. A NEW HIGH WILL BUILD BEHIND THE FRONT
ALLOWING TRADES TO REBOUND DURING THE SECOND HALF OF THE WEEK.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
TODAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET.
WAVE DETAIL: EAST 4 FEET AT 6 SECONDS AND NORTHWEST 4 FEET AT
15 SECONDS. NUMEROUS SHOWERS.
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND NORTHWEST 4 FEET AT
14 SECONDS. NUMEROUS SHOWERS.
WEDNESDAY
EAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 13 FEET. WAVE
DETAIL: EAST 8 FEET AT 7 SECONDS AND NORTHWEST 8 FEET AT
14 SECONDS. NUMEROUS SHOWERS.
WEDNESDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 9 TO 13 FEET.
WAVE DETAIL: EAST 8 FEET AT 7 SECONDS AND NORTHWEST 7 FEET AT
13 SECONDS. SCATTERED SHOWERS.
THURSDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 9 TO 12 FEET.
SCATTERED SHOWERS.
THURSDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
SCATTERED SHOWERS.
FRIDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET. SCATTERED
SHOWERS.
SATURDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 7 TO
9 FEET. SCATTERED SHOWERS.
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