490
FZHW51 PHFO 131529
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
529 AM HST THU AUG 13 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
HIGH PRESSURE TO THE FAR NORTHEAST WILL SLOWLY DRIFT INTO A
POSITION JUST NORTH OF THE HAWAIIAN ISLANDS BY THE WEEKEND,
PRODUCING MODERATE TO LOCALLY STRONG TRADE WINDS ACROSS THE
REGION. TROPICAL STORM LALA IS LOCATED 615 NM EAST-SOUTHEAST OF
HILO, MOVING WEST AT 9 KNOTS. TROPICAL STORM CONDITIONS WILL BE
POSSIBLE ACROSS NEARLY ALL COASTAL WATERS THIS WEEKEND, WITH THE
POTENTIAL FOR HURRICANE CONDITIONS NEAR SELECT WATERS, WITH THE
HIGHEST POTENTIAL NEAR THE BIG ISLAND.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
..HURRICANE WATCH
..SMALL CRAFT ADVISORY
TODAY
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.
WAVE DETAIL: EAST NORTHEAST 5 FEET AT 6 SECONDS AND SOUTH
SOUTHWEST 5 FEET AT 15 SECONDS. ISOLATED SHOWERS.
TONIGHT...NORTHEAST WINDS 25 TO 30 KNOTS NEAR THE BIG ISLAND
EAST NORTHEAST TO 20 KNOTS ELSEWHERE. SEAS 7 TO 10 FEET. WAVE
DETAIL: EAST NORTHEAST 6 FEET AT 6 SECONDS, EAST 5 FEET AT
9 SECONDS AND SOUTH SOUTHWEST 4 FEET AT 14 SECONDS. ISOLATED
SHOWERS.
FRIDAY...EAST NORTHEAST WINDS TO 20 KNOTS TO KAUAI
NORTHEAST
25 TO 30 KNOTS ELSEWHERE. SEAS 8 TO 11 FEET. WAVE DETAIL: EAST
NORTHEAST 6 FEET AT 6 SECONDS, EAST 6 FEET AT 10 SECONDS AND
SOUTH SOUTHWEST 4 FEET AT 14 SECONDS. SCATTERED SHOWERS.
FRIDAY NIGHT
HURRICANE CONDITIONS POSSIBLE NEAR THE BIG ISLAND.
EAST NORTHEAST WINDS 20 TO 25 KNOTS TO KAUAI... NORTHEAST 30 TO
40 KNOTS ELSEWHERE. SEAS 13 TO 18 FEET. WAVE DETAIL: EAST
NORTHEAST 8 FEET AT 7 SECONDS, EAST 6 FEET AT 10 SECONDS AND SOUTH
4 FEET AT 14 SECONDS. SCATTERED SHOWERS.
SATURDAY
HURRICANE CONDITIONS POSSIBLE NEAR THE BIG ISLAND.
TROPICAL STORM CONDITIONS POSSIBLE ELSEWHERE. EAST NORTHEAST
WINDS 20 TO 25 KNOTS TO KAUAI...EAST NORTHEAST 45 TO 55 KNOTS
ELSEWHERE. SEAS 17 TO 22 FEET. HEAVY SHOWERS.
SATURDAY NIGHT
HURRICANE CONDITIONS POSSIBLE NEAR THE BIG ISLAND.
TROPICAL STORM CONDITIONS POSSIBLE ELSEWHERE. NORTHEAST WINDS 25
TO 35 KNOTS TO KAUAI...EAST 35 TO 45 KNOTS ELSEWHERE. SEAS 17 TO
22 FEET. HEAVY SHOWERS.
SUNDAY
TROPICAL STORM CONDITIONS POSSIBLE. TO KAUAI, EAST
NORTHEAST WINDS 30 TO 40 KNOTS, VEERING TO EAST 25 TO 30 KNOTS.
ELSEWHERE, EAST SOUTHEAST WINDS 25 TO 30 KNOTS, BECOMING EAST 15
TO 20 KNOTS. SEAS 15 TO 20 FEET, SUBSIDING TO 7 TO 10 FEET. HEAVY
SHOWERS LIKELY THROUGH THE NIGHT, THEN SCATTERED SHOWERS THROUGH
THE DAY.
MONDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET, SUBSIDING
TO 6 TO 7 FEET. SCATTERED SHOWERS THROUGH THE NIGHT, THEN
ISOLATED SHOWERS THROUGH THE DAY.
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