149
FZHW51 PHFO 091321
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
321 AM HST SUN AUG 9 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
FRESH TO LOCALLY STRONG TRADES WILL PERSIST THROUGH MUCH OF THE
WEEK AS SURFACE HIGH PRESSURE REMAINS ANCHORED FAR NORTHEAST OF
THE STATE. A TROPICAL CYCLONE IS LIKELY TO DEVELOP SOUTHEAST OF
THE ISLANDS OVER THE NEXT FEW DAYS AND IMPACT THE LOCAL WINDS,
SEAS, AND WEATHER AS EARLY AS THURSDAY.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
..SMALL CRAFT ADVISORY
TODAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET.
WAVE DETAIL: EAST NORTHEAST 4 FEET AT 5 SECONDS AND SOUTH
SOUTHWEST 3 FEET AT 12 SECONDS. SCATTERED SHOWERS.
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS AND SOUTH
SOUTHWEST 3 FEET AT 15 SECONDS. SCATTERED SHOWERS.
MONDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET.
WAVE DETAIL: EAST NORTHEAST 4 FEET AT 5 SECONDS AND SOUTH
SOUTHWEST 3 FEET AT 15 SECONDS. ISOLATED SHOWERS.
MONDAY NIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
6 FEET. WAVE DETAIL: EAST NORTHEAST 4 FEET AT 5 SECONDS AND SOUTH
SOUTHWEST 4 FEET AT 15 SECONDS. ISOLATED SHOWERS.
TUESDAY AND TUESDAY NIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 5 TO 7 FEET. ISOLATED SHOWERS.
WEDNESDAY AND THURSDAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS.
SEAS 6 TO 10 FEET. ISOLATED SHOWERS.
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