578
FZHW52 PHFO 201342
SRFHFO
SURF ZONE FORECAST FOR HAWAII
NATIONAL WEATHER SERVICE HONOLULU HI
342 AM HST THU AUG 20 2026
DISCUSSION
SURF ALONG SOUTH FACING SHORES WILL REMAIN SLIGHTLY BELOW AVERAGE
THROUGH THURSDAY. A LONG PERIOD SOUTH-SOUTHWEST SWELL GENERATED FROM
GALES JUST SOUTH AND EAST OF NEW ZEALAND WILL BEGIN ARRIVING LATE
THURSDAY INTO FRIDAY, BOOSTING SURF TO NEAR AVERAGE BY FRIDAY NIGHT.
SURF ALONG EAST FACING SHORES ALSO REMAINS BELOW AVERAGE WITH WEAK
TRADES, THEN BUILDS THIS WEEKEND AS THE TRADES RESTRENGTHEN. THIS WILL
BE COMPOUNDED BY A SOUTHEAST SWELL GENERATED BY TROPICAL DEPRESSION
TWO-C THAT WILL BUILD THROUGH SUNDAY AND COULD APPROACH ADVISORY
LEVELS. NORTH FACING SHORES WILL REMAIN TINY THROUGH FRIDAY, WITH A
SLIGHT BUMP FROM LALA SWELL POSSIBLE THIS WEEKEND.
HIZ003-029>031-211445-
KAUAI-
342 AM HST THU AUG 20 2026
__________________________________________________________________
TODAY FRIDAY
SHORES SURF SURF
AM PM AM PM
__________________________________________________________________
NORTH FACING 0-2 0-2 0-2 0-2
WEST FACING 1-3 1-3 1-3 1-3
SOUTH FACING 2-4 2-4 2-4 2-4
EAST FACING 2-4 2-4 2-4 2-4
TODAY
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................EAST WINDS AROUND 5 MPH, INCREASING TO
NORTHEAST AROUND 15 MPH IN THE
AFTERNOON.
TIDES...
HANALEI BAY..............HIGH 1.8 FEET 10:21 AM HST.
NAWILIWILI...............HIGH 1.7 FEET 11:22 AM HST.
SUNRISE.....................6:17 AM HST.
SUNSET......................7:05 PM HST.
TONIGHT
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................NORTHEAST WINDS AROUND 5 MPH.
TIDES...
HANALEI BAY..............LOW 0.3 FEET 02:08 AM HST.
NAWILIWILI...............LOW 0.4 FEET 03:30 AM HST.
FRIDAY
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................EAST WINDS AROUND 5 MPH.
TIDES...
HANALEI BAY..............HIGH 1.9 FEET 11:23 AM HST.
NAWILIWILI...............HIGH 1.8 FEET 12:24 PM HST.
SUNRISE.....................6:17 AM HST.
SUNSET......................7:04 PM HST.
HIZ006-007-009-032>035-211445-
OAHU-
342 AM HST THU AUG 20 2026
__________________________________________________________________
TODAY FRIDAY
SHORES SURF SURF
AM PM AM PM
__________________________________________________________________
NORTH FACING 0-2 0-2 0-2 0-2
WEST FACING 1-3 1-3 1-3 1-3
SOUTH FACING 2-4 2-4 2-4 2-4
EAST FACING 2-4 2-4 2-4 2-4
TODAY
UV INDEX....................EXTREME.
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
TIDES...
HONOLULU.................HIGH 1.8 FEET 11:23 AM HST.
WAIANAE..................HIGH 1.7 FEET 11:43 AM HST.
HALEIWA..................HIGH 1.5 FEET 10:21 AM HST.
MOKUOLOE.................HIGH 1.9 FEET 11:36 AM HST.
SUNRISE.....................6:12 AM HST.
SUNSET......................6:59 PM HST.
TONIGHT
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................NORTHEAST WINDS AROUND 5 MPH.
TIDES...
HONOLULU.................LOW 0.4 FEET 03:55 AM HST.
WAIANAE..................LOW 0.4 FEET 04:13 AM HST.
HALEIWA..................LOW 0.5 FEET 06:43 PM HST.
HIGH 0.5 FEET 09:15 PM HST.
LOW 0.3 FEET 01:50 AM HST.
MOKUOLOE.................LOW 0.4 FEET 02:44 AM HST.
FRIDAY
UV INDEX....................EXTREME.
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................EAST WINDS AROUND 5 MPH.
TIDES...
HONOLULU.................HIGH 1.9 FEET 12:22 PM HST.
WAIANAE..................HIGH 1.8 FEET 12:42 PM HST.
HALEIWA..................HIGH 1.5 FEET 11:20 AM HST.
MOKUOLOE.................HIGH 2.0 FEET 12:21 PM HST.
SUNRISE.....................6:12 AM HST.
SUNSET......................6:58 PM HST.
HIZ017-018-045>050-211445-
MAUI-
342 AM HST THU AUG 20 2026
__________________________________________________________________
TODAY FRIDAY
SHORES SURF SURF
AM PM AM PM
__________________________________________________________________
NORTH FACING 0-2 0-2 0-2 0-2
WEST FACING 0-2 0-2 0-2 0-2
SOUTH FACING 2-4 2-4 2-4 2-4
EAST FACING 2-4 2-4 2-4 2-4
TODAY
WEATHER.....................MOSTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
TIDES...
KAHULUI..................HIGH 1.9 FEET 11:22 AM HST.
SUNRISE.....................6:06 AM HST.
SUNSET......................6:52 PM HST.
TONIGHT
WEATHER.....................PARTLY CLOUDY UNTIL 12 AM, THEN MOSTLY
CLOUDY. SCATTERED SHOWERS.
LOW TEMPERATURE.............IN THE UPPER 70S.
WINDS.......................EAST WINDS AROUND 5 MPH.
TIDES...
KAHULUI..................LOW 0.5 FEET 02:05 AM HST.
FRIDAY
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................EAST WINDS AROUND 10 MPH.
TIDES...
KAHULUI..................HIGH 2.1 FEET 12:14 PM HST.
SUNRISE.....................6:06 AM HST.
SUNSET......................6:51 PM HST.
HIZ052>054-211445-
BIG ISLAND WINDWARD AND SOUTHEAST-
342 AM HST THU AUG 20 2026
__________________________________________________________________
TODAY FRIDAY
SHORES SURF SURF
AM PM AM PM
__________________________________________________________________
NORTH FACING 0-2 0-2 0-2 0-2
EAST FACING 2-4 2-4 2-4 2-4
SOUTH FACING 2-4 2-4 2-4 2-4
TODAY
WEATHER.....................MOSTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................NORTH WINDS 5 TO 10 MPH.
TIDES...
HILO BAY.................HIGH 2.0 FEET 10:48 AM HST.
SUNRISE.....................6:02 AM HST.
SUNSET......................6:45 PM HST.
TONIGHT
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................NORTH WINDS AROUND 5 MPH, BECOMING
SOUTHEAST AFTER MIDNIGHT.
TIDES...
HILO BAY.................LOW 0.5 FEET 03:11 AM HST.
FRIDAY
WEATHER.....................PARTLY SUNNY. NUMEROUS SHOWERS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................EAST WINDS 5 TO 10 MPH.
TIDES...
HILO BAY.................HIGH 2.2 FEET 12:02 PM HST.
SUNRISE.....................6:02 AM HST.
SUNSET......................6:45 PM HST.
HIZ023-026-051-211445-
BIG ISLAND LEEWARD-
342 AM HST THU AUG 20 2026
__________________________________________________________________
TODAY FRIDAY
SHORES SURF SURF
AM PM AM PM
__________________________________________________________________
WEST FACING 1-3 1-3 1-3 1-3
SOUTH FACING 2-4 2-4 2-4 2-4
TODAY
WEATHER.....................MOSTLY SUNNY. ISOLATED SHOWERS.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................WEST WINDS AROUND 5 MPH.
TIDES...
KONA.....................HIGH 1.6 FEET 11:26 AM HST.
KAWAIHAE.................HIGH 2.0 FEET 11:08 AM HST.
SUNRISE.....................6:06 AM HST.
SUNSET......................6:49 PM HST.
TONIGHT
WEATHER.....................PARTLY CLOUDY. SCATTERED SHOWERS.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................LIGHT AND VARIABLE WINDS.
TIDES...
KONA.....................LOW 0.3 FEET 03:48 AM HST.
KAWAIHAE.................LOW 0.4 FEET 03:39 AM HST.
FRIDAY
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................NORTHWEST WINDS AROUND 5 MPH.
TIDES...
KONA.....................HIGH 1.7 FEET 12:40 PM HST.
KAWAIHAE.................HIGH 2.0 FEET 12:13 PM HST.
SUNRISE.....................6:06 AM HST.
SUNSET......................6:49 PM HST.
__________________________________________________________________
PRODUCT LEGEND:
SURF: HEIGHT OF THE SURF FROM TROUGH TO CREST (FACE VALUE)
IN FEET.
TIDES: HEIGHTS DISPLAYED ARE RELATIVE TO THE MEAN LOWER LOW
WATER (MLLW) DATUM IN FEET.
SURF HEIGHTS CAN VARY SIGNIFICANTLY FROM BEACH TO BEACH ALONG A
COASTLINE. SURF LARGER THAN THE UPPER END OF THE RANGE PROVIDED IN
THE FORECAST WILL OCCUR PERIODICALLY, SOMETIMES UP TO A FEW HOURS
APART. EXPECT TO ENCOUNTER RIP CURRENTS IN OR NEAR THE SURF ZONE,
WITH RIP CURRENT STRENGTH INCREASING WITH SURF SIZE. SWIMMERS ARE
URGED TO EXERCISE CAUTION AT ALL TIMES AND ENTER THE WATER NEAR A
LIFEGUARD.
FOR THE LATEST BEACH HAZARD AND SAFETY INFORMATION AT INDIVIDUAL
BEACHES IN HAWAII REFER TO:
HTTPS://HAWAIIBEACHSAFETY.COM
__________________________________________________________________
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