576
FZHW51 PHFO 200102
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
302 PM HST THU MAR 19 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
A SURFACE LOW IS CENTERED ROUGHLY 300 NM WEST OF KAUAI WITH A
FRONT EXTENDING FROM THE LOW TO ABOUT 200 NM NORTH OF OAHU. THE
LOW WILL REMAIN NEARLY STATIONARY THROUGH FRIDAY 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-
TONIGHT
SOUTHEAST TO SOUTH WINDS 10 TO 20 KNOTS. SEAS 5 TO 7
FEET. WAVE DETAIL: NORTH 4 FEET AT 11 SECONDS, EAST SOUTHEAST 3
FEET AT 5 SECONDS AND SOUTH 3 FEET AT 13 SECONDS. HEAVY SHOWERS
WITH ISOLATED THUNDERSTORMS.
FRIDAY
SOUTH TO SOUTHWEST WINDS 10 TO 20 KNOTS. SEAS 5 TO 7
FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS AND NORTH 3 FEET
AT 11 SECONDS. HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
FRIDAY NIGHT
SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 5
TO 7 FEET. WAVE DETAIL: NORTH 4 FEET AT 10 SECONDS AND SOUTH 3
FEET AT 4 SECONDS. HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS.
SATURDAY AND SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KNOTS.
SEAS 5 TO 8 FEET. WAVE DETAIL: NORTH NORTHEAST 6 FEET AT 11
SECONDS AND SOUTHWEST 4 FEET AT 5 SECONDS. HEAVY SHOWERS WITH
ISOLATED THUNDERSTORMS.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING VARIABLE AROUND
KAUAI. SEAS 5 TO 7 FEET. HEAVY SHOWERS WITH ISOLATED
THUNDERSTORMS.
SUNDAY NIGHT
KAUAI AND OAHU WATERS, NORTH TO NORTHEAST WINDS
10 TO 15 KNOTS. MAUI COUNTY AND BIG ISLAND WATERS, VARIABLE WINS
10 KT. SEAS 5 TO 7 FEET. NUMEROUS SHOWERS.
MONDAY
NORTH NORTHEAST WINDS 15 TO 25 KNOTS, EXCEPT VARIABLE
WINDS TO 15 KT BIG ISLAND WATERS. SEAS 5 TO 8 FEET, BUILDING TO 7
TO 10 FEET. SCATTERED SHOWERS, EXCEPT NUMEROUS SHOWERS BIG ISLAND
WATERS.
TUESDAY
NORTHEAST WINDS 15 TO 25 KNOTS. SEAS 9 TO 12 FEET.
SCATTERED SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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