821
FZHW51 PHFO 181335
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
335 AM HST FRI SEP 18 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
MODERATE TO LOCALLY STRONG TRADES WILL STRENGTHEN SLIGHTLY
THROUGH THE WEEKEND. ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY AS
A TROUGH MOVES THROUGH THE AREA.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...SMALL CRAFT ADVISORY THROUGH EARLY SATURDAY MORNING FOR MAALAEA
BAY...PAILOLO CHANNEL...ALENUIHAHA CHANNEL AND WATERS AROUND THE BIG
ISLAND...
TODAY
EAST WINDS 25 TO 30 KNOTS. SEAS 6 TO 8 FEET. WAVE
DETAIL: EAST 5 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET AT
17 SECONDS. SCATTERED SHOWERS.
TONIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET. WAVE
DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET AT
16 SECONDS. SCATTERED SHOWERS.
SATURDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET. WAVE
DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 4 FEET AT
16 SECONDS. ISOLATED SHOWERS.
SATURDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET.
WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 4 FEET
AT 16 SECONDS. SCATTERED SHOWERS.
SUNDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET.
ISOLATED SHOWERS.
SUNDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET. ISOLATED SHOWERS.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS, EASING TO 15 TO
20 KNOTS. SEAS 6 TO 8 FEET. SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET.
SCATTERED SHOWERS.
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