916
FZHW51 PHFO 180120
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
320 PM HST THU SEP 17 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
MODERATE TO LOCALLY STRONG TRADES WILL STRENGTHEN SLIGHTLY THROUGH
THE WEEKEND. ISOLATED THUNDERSTORMS ARE POSSIBLE INTO FRIDAY 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...
TONIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET. WAVE
DETAIL: EAST 6 FEET AT 8 SECONDS. SCATTERED SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
FRIDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET. WAVE
DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET AT
17 SECONDS. SCATTERED SHOWERS.
FRIDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 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 7 TO 9 FEET. WAVE
DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 4 FEET AT
16 SECONDS. ISOLATED SHOWERS.
SATURDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET. ISOLATED SHOWERS.
SUNDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET.
ISOLATED SHOWERS.
SUNDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET. SCATTERED SHOWERS.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET.
SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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