717
FZHW51 PHFO 211344
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
344 AM HST MON SEP 21 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
FRESH TO LOCALLY STRONG TRADES WILL CONTINUE FOR THE NEXT FEW
DAYS. AFTER BRIEFLY EASING MIDWEEK, THEY WILL THEN RESTRENGTHEN
TOWARDS THE END OF THE WEEK. A TROUGH, WHICH MAY DEVELOP INTO A
TROPICAL CYCLONE, IS FORECAST TO MOVE INTO THE AREA BY MIDWEEK,
INCREASING COVERAGE OF HEAVY SHOWERS AND INTRODUCING CHANCES FOR
ISOLATED THUNDERSTORMS OVER PORTIONS OF THE COASTAL WATERS.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...SMALL CRAFT ADVISORY THROUGH TUESDAY AFTERNOON FOR MAALAEA
BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE
BIG ISLAND...
TODAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS AND SOUTH
SOUTHWEST 4 FEET AT 13 SECONDS. ISOLATED SHOWERS.
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS, SOUTH SOUTHWEST
4 FEET AT 13 SECONDS AND NORTHEAST 3 FEET AT 12 SECONDS.
SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS, NORTH 3 FEET AT
12 SECONDS AND SOUTH 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
TUESDAY NIGHT
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 5 TO
7 FEET. WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS AND NORTH
3 FEET AT 11 SECONDS. SCATTERED SHOWERS.
WEDNESDAY...EAST NORTHEAST WINDS 15 TO 20 KNOTS TO KAUAI
EAST
NORTHEAST 25 TO 30 KNOTS ELSEWHERE. SEAS 5 TO 8 FEET. SCATTERED
SHOWERS.
WEDNESDAY NIGHT
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 5 TO
8 FEET. NUMEROUS SHOWERS.
THURSDAY
WINDS EAST NORTHEAST WINDS 25 TO 35 KNOTS. SEAS 5 TO
7 FEET. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
FRIDAY
WINDS EAST NORTHEAST WINDS 30 TO 40 KNOTS. SEAS 6 TO
8 FEET, BUILDING TO 8 TO 9 FEET. ISOLATED THUNDERSTORMS THROUGH
THE NIGHT. SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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