518
FZHW51 PHFO 221323
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
323 AM HST TUE SEP 22 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
MODERATE TO LOCALLY STRONG TRADE WINDS WILL PERSIST THROUGH
WEDNESDAY BEFORE STRENGTHENING DURING THE LATTER HALF OF THE WEEK
AS A TROUGH OR POTENTIAL TROPICAL DISTURBANCE MOVES NEAR THE
ISLANDS. SHOWER COVERAGE WILL ALSO INCREASE, ALONG WITH THE
POTENTIAL FOR ISOLATED THUNDERSTORMS, PARTICULARLY ACROSS THE
EASTERN WATERS.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...SMALL CRAFT ADVISORY THROUGH WEDNESDAY AFTERNOON FOR MAALAEA
BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE
BIG ISLAND...
TODAY...EAST NORTHEAST WINDS 10 TO 15 KNOTS TO KAUAI
EAST
20 TO 25 KNOTS ELSEWHERE. SEAS 6 TO 9 FEET. WAVE DETAIL: EAST
5 FEET AT 6 SECONDS, NORTH NORTHEAST 3 FEET AT 12 SECONDS AND
SOUTH 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 8 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS, NORTH 3 FEET AT
11 SECONDS AND SOUTH 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
WEDNESDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET. WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS AND NORTH
3 FEET AT 10 SECONDS. FREQUENT HEAVY SHOWERS WITH ISOLATED
THUNDERSTORMS.
WEDNESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET. WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS. FREQUENT
HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
THURSDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET. SCATTERED HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
THURSDAY NIGHT...EAST NORTHEAST WINDS TO 20 KNOTS TO KAUAI
EAST NORTHEAST 25 TO 30 KNOTS ELSEWHERE. SEAS 8 TO 11 FEET.
SCATTERED HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
FRIDAY
ALENUIHAHA CHANNEL, EAST NORTHEAST WINDS 25 TO
35 KNOTS, RISING TO 30 TO 40 KNOTS. ELSEWHERE, NORTHEAST WINDS
25 TO 30 KNOTS. SEAS 9 TO 12 FEET. SCATTERED HEAVY SHOWERS WITH
ISOLATED THUNDERSTORMS.
SATURDAY
EAST WINDS 25 TO 30 KNOTS. SEAS 8 TO 11 FEET.
ISOLATED THUNDERSTORMS THROUGH THE NIGHT. SCATTERED HEAVY
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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