774
FZHW51 PHFO 220604
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
804 PM HST MON SEP 21 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 EARLY WEDNESDAY MORNING FOR MAALAEA
BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE
BIG ISLAND...
REST OF TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST
4 FEET AT 13 SECONDS. SCATTERED SHOWERS.
TUESDAY...EAST NORTHEAST WINDS 10 TO 15 KNOTS TO KAUAI
EAST
20 TO 25 KNOTS ELSEWHERE. SEAS 7 TO 9 FEET. WAVE DETAIL: EAST
6 FEET AT 9 SECONDS, SOUTH SOUTHWEST 3 FEET AT 12 SECONDS AND
NORTH 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
TUESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
10 FEET. WAVE DETAIL: EAST 7 FEET AT 9 SECONDS AND NORTH 3 FEET
AT 11 SECONDS. SCATTERED SHOWERS.
WEDNESDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET. WAVE DETAIL: EAST 7 FEET AT 9 SECONDS AND NORTH NORTHWEST
3 FEET AT 10 SECONDS. OCCASIONAL HEAVY SHOWERS WITH ISOLATED
THUNDERSTORMS.
WEDNESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET. OCCASIONAL HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
THURSDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
10 FEET. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
THURSDAY NIGHT...EAST NORTHEAST WINDS TO 20 KNOTS TO KAUAI
EAST NORTHEAST 25 TO 30 KNOTS ELSEWHERE. SEAS 9 TO 12 FEET.
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
FRIDAY
ALENUIHAHA CHANNEL, EAST NORTHEAST WINDS 25 TO
35 KNOTS. ELSEWHERE, EAST NORTHEAST WINDS 20 TO 25 KNOTS, RISING
TO 25 TO 30 KNOTS. SEAS 8 TO 11 FEET, SUBSIDING TO 8 TO 9 FEET.
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS.
SATURDAY
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 8 TO
10 FEET. SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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