105  
FZHW52 PHFO 240158  
SRFHFO  
 
SURF ZONE FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
358 PM HST WED SEP 23 2020  
 
NOTE: PLEASE CHECK WITH LOCAL AUTHORITIES REGARDING BEACH CLOSURES.  
   
DISCUSSION
 
 
BUOY 51001 BEGAN REPORTING THE PASSAGE OF HIGH PERIOD FORERUNNER  
NORTHERLY SWELLS EARLY THIS AFTERNOON. WHILE THE BULK OF THIS  
EARLIER WEEK GULF OF ALASKA ENERGY WILL RIDE EAST OF THE ISLANDS,  
THE STATE WILL STILL GET CLIPPED BY THIS ENERGY. THERE WILL BE A  
SIGNIFICANT JUMP IN SURF ALONG ALL NORTH-FACING SHORES OVER THE  
NEXT 36 TO 48 HOURS. WAVE HEIGHTS WILL PEAK OUT TOMORROW WHILE  
STAYING BELOW ADVISORY LEVELS WITH A GRADUALLY DOWNTREND FRIDAY  
AND SATURDAY. A NICE BUMP IN THE LONG PERIOD SOUTHWEST SWELL  
MOVING UP FROM A GENERATION AREA SOUTH OF NEW ZEALAND A COUPLE OF  
DAYS AGO SHOULD PICK SOUTHERN-FACING SHORE SURF UP ANOTHER FOOT OR  
SO THROUGH THURSDAY. ANOTHER DAY OR THREE OF MODERATE TO FRESH  
TRADES WILL RESULT IN THE MAINTENANCE OF SEASONAL EAST-FACING SURF  
INTO THE WEEKEND. AFTER A WEEKEND OF WEAKER TRADES AND LOWERING  
SURF, EASTERN SWELL FRONT RUNNERS MAY ARRIVE FROM (WHAT WILL BE  
LEFT OF) TROPICAL CYCLONE LOWELL'S EAST PACIFIC EASTERLY FETCH.  
 
HIZ002-003-241515-  
KAUAI-  
358 PM HST WED SEP 23 2020  
 
__________________________________________________________________  
TONIGHT THURSDAY  
 
SHORES SURF SURF  
PM AM AM PM  
__________________________________________________________________  
 
NORTH FACING 4-6 6-8 6-8 7-9  
WEST FACING 2-4 3-4 3-4 4-5  
SOUTH FACING 2-4 2-4 2-4 3-5  
EAST FACING 2-4 2-3 2-4 2-4  
 
   
TONIGHT
 
 
WEATHER.....................MOSTLY SUNNY UNTIL 6 PM, THEN MOSTLY  
CLOUDY. SCATTERED SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................EAST WINDS 10 TO 15 MPH.  
TIDES...  
HANALEI BAY..............LOW 0.6 FEET 05:12 PM HST.  
HIGH 0.8 FEET 07:48 PM HST.  
LOW 0.4 FEET 01:00 AM HST.  
NAWILIWILI...............LOW 0.7 FEET 06:34 PM HST.  
HIGH 0.7 FEET 08:49 PM HST.  
LOW 0.4 FEET 02:22 AM HST.  
   
THURSDAY
 
 
WEATHER.....................MOSTLY SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
HANALEI BAY..............HIGH 2.2 FEET 09:56 AM HST.  
LOW 0.5 FEET 05:54 PM HST.  
NAWILIWILI...............HIGH 2.0 FEET 10:57 AM HST.  
SUNRISE.....................6:27 AM HST.  
SUNSET......................6:31 PM HST.  
 

 
 
HIZ005>009-241515-  
OAHU-  
358 PM HST WED SEP 23 2020  
 
__________________________________________________________________  
TONIGHT THURSDAY  
 
SHORES SURF SURF  
PM AM AM PM  
__________________________________________________________________  
 
NORTH FACING 3-5 6-8 7-9 8-12  
WEST FACING 2-4 3-5 4-5 4-6  
SOUTH FACING 2-4 2-4 2-4 4-6  
EAST FACING 2-4 2-4 2-4 2-4  
 
   
TONIGHT
 
 
WEATHER.....................MOSTLY SUNNY UNTIL 6 PM, THEN MOSTLY  
CLOUDY. SCATTERED SHOWERS.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
HONOLULU.................LOW 0.5 FEET 05:52 PM HST.  
HIGH 0.7 FEET 10:03 PM HST.  
LOW 0.4 FEET 02:59 AM HST.  
WAIANAE..................LOW 0.5 FEET 06:10 PM HST.  
HIGH 0.7 FEET 10:23 PM HST.  
LOW 0.4 FEET 03:17 AM HST.  
HALEIWA..................LOW 0.4 FEET 03:47 PM HST.  
HIGH 0.6 FEET 09:01 PM HST.  
LOW 0.3 FEET 12:54 AM HST.  
MOKUOLOE.................LOW 0.4 FEET 01:25 AM HST.  
   
THURSDAY
 
 
UV INDEX....................EXTREME.  
WEATHER.....................PARTLY SUNNY UNTIL 12 PM, THEN SUNNY.  
SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
HONOLULU.................HIGH 2.1 FEET 11:06 AM HST.  
WAIANAE..................HIGH 1.9 FEET 11:26 AM HST.  
HALEIWA..................HIGH 1.7 FEET 10:04 AM HST.  
LOW 0.3 FEET 04:56 PM HST.  
MOKUOLOE.................HIGH 2.2 FEET 10:42 AM HST.  
SUNRISE.....................6:17 AM HST.  
SUNSET......................6:22 PM HST.  
 

 
 
HIZ017>021-241515-  
MAUI-  
358 PM HST WED SEP 23 2020  
 
__________________________________________________________________  
TONIGHT THURSDAY  
 
SHORES SURF SURF  
PM AM AM PM  
__________________________________________________________________  
 
NORTH FACING 3-5 6-8 7-9 8-12  
WEST FACING 2-4 2-4 2-4 2-4  
SOUTH FACING 2-4 2-4 2-4 4-6  
EAST FACING 2-4 2-4 2-4 2-4  
 
   
TONIGHT
 
 
WEATHER.....................PARTLY CLOUDY. SCATTERED SHOWERS.  
LOW TEMPERATURE.............IN THE UPPER 60S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
KAHULUI..................LOW 0.4 FEET 12:55 AM HST.  
   
THURSDAY
 
 
WEATHER.....................SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS 15 TO 20 MPH.  
TIDES...  
KAHULUI..................HIGH 2.2 FEET 10:28 AM HST.  
SUNRISE.....................6:15 AM HST.  
SUNSET......................6:20 PM HST.  
 

 
 
HIZ024-025-241515-  
SOUTH BIG ISLAND AND BIG ISLAND NORTH AND EAST-  
358 PM HST WED SEP 23 2020  
 
__________________________________________________________________  
TONIGHT THURSDAY  
 
SHORES SURF SURF  
PM AM AM PM  
__________________________________________________________________  
 
NORTH FACING 2-4 4-6 6-8 7-10  
EAST FACING 2-4 2-4 2-4 2-4  
SOUTH FACING 2-4 2-4 3-5 4-6  
 
   
TONIGHT
 
 
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
TIDES...  
HILO BAY.................LOW 1.2 FEET 04:45 PM HST.  
HIGH 1.2 FEET 06:53 PM HST.  
LOW 0.5 FEET 02:03 AM HST.  
   
THURSDAY
 
 
WEATHER.....................MOSTLY SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................NORTHEAST WINDS AROUND 10 MPH.  
TIDES...  
HILO BAY.................HIGH 2.4 FEET 10:30 AM HST.  
SUNRISE.....................6:10 AM HST.  
SUNSET......................6:14 PM HST.  
 

 
 
HIZ023-026-241515-  
BIG ISLAND LEEWARD-  
358 PM HST WED SEP 23 2020  
 
__________________________________________________________________  
TONIGHT THURSDAY  
 
SHORES SURF SURF  
PM AM AM PM  
__________________________________________________________________  
 
WEST FACING 2-4 2-4 3-5 3-5  
SOUTH FACING 2-4 2-4 3-5 4-6  
 
   
TONIGHT
 
 
WEATHER.....................PARTLY SUNNY UNTIL 6 PM, THEN PARTLY  
CLOUDY. SCATTERED SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH, BECOMING  
NORTHEAST.  
TIDES...  
KONA.....................LOW 0.8 FEET 05:22 PM HST.  
HIGH 1.0 FEET 07:31 PM HST.  
LOW 0.3 FEET 02:40 AM HST.  
KAWAIHAE.................LOW 0.6 FEET 05:28 PM HST.  
HIGH 0.8 FEET 09:42 PM HST.  
LOW 0.4 FEET 02:48 AM HST.  
   
THURSDAY
 
 
WEATHER.....................SUNNY. ISOLATED SHOWERS.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................WEST WINDS AROUND 5 MPH.  
TIDES...  
KONA.....................HIGH 1.9 FEET 11:08 AM HST.  
KAWAIHAE.................HIGH 2.2 FEET 10:53 AM HST.  
SUNRISE.....................6:14 AM HST.  
SUNSET......................6:18 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:  
 
HTTP://OCEANSAFETY.SOEST.HAWAII.EDU  
 
__________________________________________________________________  
 

 
 
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