018
FZHW51 PHFO 122117
CWFHI1
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
1117 AM HST WED AUG 12 2026
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
HIGH PRESSURE TO THE FAR NORTHEAST WILL SLOWLY DRIFT INTO A
POSITION JUST NORTH OF THE HAWAIIAN ISLANDS INTO THE WEEKEND,
PRODUCING MODERATE TO LOCALLY STRONG TRADE WINDS ACROSS THE
REGION. THE WEATHER PATTERN WILL CHANGE SIGNIFICANTLY THIS
WEEKEND AS EARLY AS FRIDAY AND WILL CONTINUE TO DETERIORATE OVER
THE WEEKEND. TROPICAL STORM CONDITIONS WILL BE POSSIBLE ACROSS ALL
COASTAL WATERS THIS WEEKEND, WITH THE POTENTIAL FOR HURRICANE
CONDITIONS ACROSS SELECT WATERS.
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
..SMALL CRAFT ADVISORY FOR MAALAEA BAY
THE PAILOLO AND
ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE BIG ISLAND...
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET.
WAVE DETAIL: EAST 5 FEET AT 6 SECONDS AND SOUTH SOUTHWEST 4 FEET
AT 16 SECONDS. SCATTERED SHOWERS.
THURSDAY
EAST NORTHEAST WINDS 25 TO 30 KNOTS ALENUIHAHA
CHANNEL...EAST NORTHEAST 15 TO 20 KNOTS ELSEWHERE. SEAS 5 TO
8 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS AND SOUTH SOUTHWEST
3 FEET AT 15 SECONDS. ISOLATED SHOWERS.
THURSDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET. WAVE DETAIL: EAST 6 FEET AT 8 SECONDS AND SOUTH SOUTHWEST
3 FEET AT 14 SECONDS. ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 8 TO 11 FEET. WAVE
DETAIL: EAST 8 FEET AT 11 SECONDS AND SOUTH SOUTHWEST 4 FEET AT
14 SECONDS. ISOLATED SHOWERS.
FRIDAY NIGHT...EAST NORTHEAST WINDS 15 TO 20 KNOTS TO KAUAI
TROPICAL STORM CONDITIONS POSSIBLE ELSEWHERE. SEAS 10 TO 14 FEET.
SCATTERED SHOWERS.
SATURDAY...EAST NORTHEAST WINDS 20 TO 25 KNOTS TO KAUAI
TROPICAL STORM CONDITIONS POSSIBLE ELSEWHERE. SEAS 12 TO 16 FEET.
SCATTERED SHOWERS.
SATURDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. SEAS 11 TO
15 FEET. HEAVY SHOWERS LIKELY.
SUNDAY
TROPICAL STORM CONDITIONS POSSIBLE. SEAS 11 TO 15 FEET,
SUBSIDING TO 8 TO 11 FEET. HEAVY SHOWERS LIKELY THROUGH THE
NIGHT, THEN SCATTERED SHOWERS THROUGH THE DAY.
MONDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET. SCATTERED
SHOWERS THROUGH THE NIGHT, THEN ISOLATED SHOWERS THROUGH THE DAY.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page