370
FZHW51 PHFO 140103
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
303 PM HST SUN SEP 13 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
MODERATE TRADES WILL CONTINUE THROUGH THE WEEK BEFORE GRADUALLY
STRENGTHENING THROUGH THE LATTER HALF OF THE WEEK. MOISTURE
ASSOCIATED WITH A WEAK TROUGH MOVING IN ON THE TRADE WIND FLOW MAY
BRING A SLIGHT UPTICK IN SHOWER ACTIVITY TO THE COASTAL WATERS
TUESDAY INTO WEDNESDAY. WHILE THE CURRENT FORECAST HAS TROPICAL
STORM NORBERT DISSIPATING BEFORE IT NEARS THE HAWAIIAN COASTAL
WATERS FROM THE EAST, REMNANT MOISTURE FROM THIS SYSTEM IS
EXPECTED TO ARRIVE POTENTIALLY BY THURSDAY, LIKELY BRINGING MORE
SHOWERS.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
TONIGHT
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: EAST 3 FEET AT 5 SECONDS. ISOLATED LIGHT SHOWERS.
MONDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
WAVE DETAIL: EAST 3 FEET AT 5 SECONDS. ISOLATED LIGHT SHOWERS.
MONDAY NIGHT
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET. WAVE DETAIL: EAST 3 FEET AT 12 SECONDS. SCATTERED
SHOWERS.
TUESDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
WAVE DETAIL: EAST 3 FEET AT 11 SECONDS. 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
8 FEET. SCATTERED SHOWERS.
WEDNESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET. SHOWERS LIKELY.
THURSDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO
9 FEET. SCATTERED HEAVY SHOWERS.
FRIDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 8 FEET. SCATTERED
HEAVY SHOWERS THROUGH THE NIGHT, THEN ISOLATED HEAVY SHOWERS
THROUGH THE DAY.
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