874
FZHW51 PHFO 211318
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
318 AM HST THU MAY 21 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
THE HIGH PRESSURE RIDGE NORTH OF THE HAWAIIAN ISLANDS WILL
STRENGTHEN OVER THE NEXT FEW DAYS, ALLOWING TRADE WIND SPEEDS TO
INCREASE INTO THE STRONG TO GALE RANGE TONIGHT THROUGH EARLY
FRIDAY MORNING.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...GALE WARNING THROUGH EARLY FRIDAY MORNING FOR MAALAEA
BAY...PAILOLO CHANNEL AND ALENUIHAHA CHANNEL...
...SMALL CRAFT ADVISORY THROUGH EARLY FRIDAY MORNING FOR WATERS
AROUND KAUAI...KAUAI CHANNEL...WATERS AROUND OAHU...KAIWI
CHANNEL...MAUI COUNTY WINDWARD WATERS...MAUI COUNTY LEEWARD WATERS
AND WATERS AROUND THE BIG ISLAND...
TODAY
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 10 TO 11 FEET.
WAVE DETAIL: EAST 8 FEET AT 8 SECONDS. ISOLATED SHOWERS.
TONIGHT
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 10 TO
12 FEET. WAVE DETAIL: EAST 9 FEET AT 8 SECONDS. SCATTERED
SHOWERS.
FRIDAY
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 11 FEET.
WAVE DETAIL: EAST 8 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET
AT 17 SECONDS. ISOLATED SHOWERS.
FRIDAY NIGHT
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO
11 FEET. WAVE DETAIL: EAST 8 FEET AT 7 SECONDS AND SOUTH 3 FEET
AT 16 SECONDS. SCATTERED SHOWERS.
SATURDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 8 TO
11 FEET. ISOLATED SHOWERS.
SATURDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 8 TO
11 FEET. SCATTERED SHOWERS.
SUNDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 8 TO 10 FEET.
ISOLATED SHOWERS THROUGH THE NIGHT. SCATTERED SHOWERS THROUGH THE
DAY.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET.
ISOLATED SHOWERS.
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