427
FZHW51 PHFO 190613
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
813 PM HST SUN OCT 18 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
ROBUST SURFACE HIGH PRESSURE CENTERED FAR NORTH OF HAWAII WILL
MAINTAIN FRESH TO STRONG TRADE WINDS INTO TUESDAY. TRADES WILL
STEADILY DECREASE LATE TUESDAY AND WEDNESDAY AS THE HIGH WEAKENS
AND MOVES EASTWARD. TRADE WINDS WILL LOWER TO GENTLE STRENGTH, OR
MAY BECOME DISRUPTED, AS A LOW PASSES TO THE NORTH THURSDAY AND
FRIDAY.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...SMALL CRAFT ADVISORY THROUGH EARLY TUESDAY MORNING FOR WATERS
AROUND KAUAI...KAUAI CHANNEL...WATERS AROUND OAHU...KAIWI
CHANNEL...WATERS AROUND MAUI COUNTY...THE PAILOLO AND ALENUIHAHA
CHANNELS AND WATERS SOUTH OF THE BIG ISLAND...
REST OF TONIGHT
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 8 TO
10 FEET. WAVE DETAIL: EAST 8 FEET AT 7 SECONDS AND NORTH
NORTHWEST 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET.
WAVE DETAIL: EAST 8 FEET AT 7 SECONDS. SCATTERED SHOWERS.
MONDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET. WAVE DETAIL: EAST 8 FEET AT 7 SECONDS. SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET.
WAVE DETAIL: EAST 8 FEET AT 7 SECONDS. SCATTERED SHOWERS.
TUESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET. SCATTERED SHOWERS.
WEDNESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET.
SCATTERED SHOWERS.
WEDNESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET.
SCATTERED SHOWERS.
THURSDAY
TO KAUAI, EAST NORTHEAST WINDS 10 TO 15 KNOTS.
ELSEWHERE, EAST WINDS 15 TO 20 KNOTS, EASING TO 10 TO 15 KNOTS.
SEAS 5 TO 6 FEET. ISOLATED SHOWERS THROUGH THE NIGHT. SCATTERED
SHOWERS THROUGH THE DAY.
FRIDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 6 FEET.
SCATTERED SHOWERS THROUGH THE NIGHT. ISOLATED SHOWERS THROUGH THE
DAY.
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