595
FZHW51 PHFO 211305
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
305 AM HST SAT MAR 21 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
LOW PRESSURE WEST OF KAUAI WILL REMAIN NEARLY STATIONARY THROUGH
TODAY THEN PASS NORTH OF THE ISLANDS SATURDAY. THE LOW WILL LIFT
NORTHEAST OF THE STATE ON SUNDAY, AND STRONG HIGH PRESSURE WILL
BUILD FAR NORTH OF THE ISLANDS MONDAY AND TUESDAY.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
...SMALL CRAFT ADVISORY THROUGH EARLY SUNDAY MORNING FOR WATERS
AROUND KAUAI...KAUAI CHANNEL...OAHU WINDWARD WATERS AND KAIWI
CHANNEL...
TODAY
SOUTH SOUTHWEST WINDS 20 TO 25 KNOTS NEAR KAUAI AND
OAHU...SOUTH 10 TO 15 KNOTS ELSEWHERE. SEAS 6 TO 9 FEET. WAVE
DETAIL: NORTH NORTHEAST 9 FEET AT 11 SECONDS, SOUTH 3 FEET AT
5 SECONDS AND SOUTH SOUTHWEST 3 FEET AT 18 SECONDS. HEAVY SHOWERS
WITH ISOLATED THUNDERSTORMS.
TONIGHT...SOUTH WINDS 7 TO 10 KNOTS NEAR THE BIG ISLAND
SOUTH
SOUTHWEST 15 TO 20 KNOTS ELSEWHERE. SEAS 7 TO 10 FEET. WAVE
DETAIL: NORTH NORTHEAST 8 FEET AT 10 SECONDS, SOUTH 4 FEET AT
5 SECONDS AND NORTHWEST 3 FEET AT 15 SECONDS. HEAVY SHOWERS WITH
ISOLATED THUNDERSTORMS.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 5 TO 8 FEET. WAVE
DETAIL: NORTH NORTHEAST 5 FEET AT 10 SECONDS AND NORTHWEST 3 FEET
AT 14 SECONDS. HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
SUNDAY NIGHT
WEST SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 5 TO
7 FEET. WAVE DETAIL: NORTH NORTHEAST 4 FEET AT 10 SECONDS AND
NORTHWEST 3 FEET AT 13 SECONDS. SHOWERS LIKELY.
MONDAY...NORTHEAST WINDS 15 TO 20 KNOTS NEAR KAUAI AND OAHU
NORTHEAST 7 TO 10 KNOTS ELSEWHERE. SEAS 5 TO 7 FEET. SCATTERED
SHOWERS.
MONDAY NIGHT...NORTHEAST WINDS TO 20 KNOTS TO KAUAI
NORTHEAST
10 TO 15 KNOTS ELSEWHERE. SEAS 5 TO 8 FEET. SCATTERED SHOWERS.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 8 FEET.
SCATTERED SHOWERS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 8 FEET.
SCATTERED SHOWERS THROUGH THE NIGHT. ISOLATED SHOWERS THROUGH THE
DAY.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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