249
FZHW51 PHFO 210116
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
316 PM HST SUN SEP 20 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 EARLY TUESDAY MORNING FOR MAALAEA
BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE
BIG ISLAND...
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET
AT 14 SECONDS. ISOLATED SHOWERS.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET.
WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH 3 FEET AT
13 SECONDS. SCATTERED SHOWERS.
MONDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH 3 FEET AT
13 SECONDS. SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET.
WAVE DETAIL: EAST 6 FEET AT 8 SECONDS AND NORTH 3 FEET AT
12 SECONDS. SCATTERED SHOWERS.
TUESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
8 FEET. SCATTERED SHOWERS.
WEDNESDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
8 FEET. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
WEDNESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
THURSDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
FRIDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET.
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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