380
FZHW51 PHFO 220123
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
323 PM HST SAT MAR 21 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
A SURFACE LOW IS LOCATED NORTH OF THE ISLANDS WITH A PAIR OF
TROUGHS DRAPED OVER THE REGION. BANDS OF HEAVY SHOWERS AND
THUNDERSTORMS WILL CONTINUE TO MOVE OVER THE COASTAL WATERS INTO
SUNDAY. THE LOW WILL LIFT NORTHEAST OF THE REGION 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
TONIGHT
SOUTH SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 7 TO
10 FEET. WAVE DETAIL: NORTH NORTHEAST 6 FEET AT 11 SECONDS, SOUTH
4 FEET AT 5 SECONDS AND NORTHWEST 3 FEET AT 15 SECONDS.
OCCASIONAL HEAVY SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SUNDAY
SOUTHWEST WINDS 7 TO 10 KNOTS. SEAS 6 TO 9 FEET. WAVE
DETAIL: NORTH NORTHEAST 5 FEET AT 10 SECONDS AND NORTHWEST 3 FEET
AT 14 SECONDS. OCCASIONAL HEAVY SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SUNDAY NIGHT
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO
8 FEET. WAVE DETAIL: NORTH NORTHEAST 4 FEET AT 10 SECONDS AND
NORTHWEST 3 FEET AT 13 SECONDS. HEAVY SHOWERS LIKELY WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
MONDAY...NORTHEAST WINDS 20 TO 25 KNOTS NEAR KAUAI AND OAHU
EAST NORTHEAST 10 TO 15 KNOTS ELSEWHERE. SEAS 5 TO 7 FEET. WAVE
DETAIL: EAST NORTHEAST 4 FEET AT 5 SECONDS, NORTH NORTHEAST
4 FEET AT 9 SECONDS AND NORTHWEST 3 FEET AT 12 SECONDS. SCATTERED
SHOWERS.
MONDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET. SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET.
SCATTERED SHOWERS.
TUESDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET. SCATTERED SHOWERS.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET.
SCATTERED SHOWERS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS, RISING TO 20 TO
25 KNOTS. SEAS 6 TO 8 FEET. ISOLATED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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