219
FZHW51 PHFO 211322
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
322 AM HST SUN JUN 21 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
A WEAK HIGH PRESSURE RIDGE NORTH OF THE HAWAIIAN ISLANDS WILL
STRENGTHEN BY THE MIDDLE OF THIS WEEK, INCREASING TRADE WINDS AND
WIND DRIVEN SEAS. A LOW LEVEL TROUGH WILL MOVE THROUGH THE HAWAII
REGION, FROM TUESDAY THROUGH WEDNESDAY, INCREASING SHOWER ACTIVITY
FROM EAST TO WEST.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
TODAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.
WAVE DETAIL: SOUTH 4 FEET AT 13 SECONDS AND EAST SOUTHEAST 3 FEET
AT 6 SECONDS.
TONIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.
WAVE DETAIL: SOUTH 4 FEET AT 18 SECONDS AND EAST SOUTHEAST 3 FEET
AT 5 SECONDS. ISOLATED SHOWERS.
MONDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.
WAVE DETAIL: EAST SOUTHEAST 3 FEET AT 5 SECONDS AND SOUTH 3 FEET
AT 16 SECONDS. ISOLATED SHOWERS.
MONDAY NIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
5 FEET. WAVE DETAIL: EAST 4 FEET AT 6 SECONDS. SCATTERED SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
SCATTERED SHOWERS.
TUESDAY NIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO
6 FEET. SCATTERED SHOWERS.
WEDNESDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO
7 FEET. SCATTERED SHOWERS.
THURSDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO
7 FEET. SCATTERED SHOWERS.
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