721
FZHW51 PHFO 171320
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
320 AM HST THU SEP 17 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
MODERATE TO LOCALLY STRONG TRADES WILL HOLD THROUGH TODAY.
POTENTIAL FOR ISOLATED THUNDERSTORMS IS POSSIBLE THROUGH FRIDAY
NIGHT AS A TROUGH MOVES OVER THE STATE. TRADES MAY BRIEFLY EASE
TO MODERATE TO FRESH SPEEDS THEN STRENGHTHEN BACK TO MODERATE TO
LOCALLY STRONG OVER THE WEEKEND.
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 NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 5 SECONDS AND EAST 4 FEET
AT 9 SECONDS. NUMEROUS HEAVY SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
TONIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET. WAVE
DETAIL: EAST 5 FEET AT 7 SECONDS. SCATTERED HEAVY SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET. WAVE
DETAIL: EAST 5 FEET AT 6 SECONDS AND SOUTH SOUTHWEST 3 FEET AT
17 SECONDS. SCATTERED SHOWERS.
FRIDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 8 FEET. WAVE
DETAIL: EAST 5 FEET AT 6 SECONDS AND SOUTH SOUTHWEST 3 FEET AT
16 SECONDS. SCATTERED SHOWERS.
SATURDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET. ISOLATED
SHOWERS.
SATURDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
7 FEET. ISOLATED SHOWERS.
SUNDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 8 FEET.
ISOLATED SHOWERS THROUGH THE NIGHT. SCATTERED SHOWERS THROUGH THE
DAY.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET.
SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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