087  
FZHW52 PHFO 181302  
SRFHFO  
 
SURF ZONE FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
302 AM HST SAT OCT 18 2025  
   
DISCUSSION  
TWO MODERATE, LONG-PERIOD NW AND NNW SWELLS MOVING THROUGH  
THE WATERS WILL MAINTAIN ELEVATED SURF ALONG N AND W FACING SHORES  
THROUGH SATURDAY AND THEN TREND DOWN ON SUNDAY. A HURRICANE FORCE LOW  
E OF JAPAN WILL BRING ANOTHER ROUND OF MODERATE, LONG- PERIOD NW (330  
DEG) SWELL INTO THE ISLANDS TOWARDS THE MIDDLE OF NEXT WEEK LEADING TO  
BUILDING SURF ALONG N AND W FACING SHORES. THIS NEXT LONG-PERIOD  
SWELL MAY REACH LOW-END HIGH SURF ADVISORY THRESHOLDS WEDNESDAY INTO  
THURSDAY.  
 
A SERIES OF SMALL, MEDIUM-TO LONG-PERIOD S TO SW SWELLS WILL  
FILTER INTO THE AREA THROUGH THE WEEKEND KEEPING SURF ALONG S  
FACING SHORES FROM GOING FLAT. SHORT-PERIOD SURF ALONG E FACING  
SHORES INCREASES SLIGHTLY ON SATURDAY DUE TO THE STRONGER TRADES,  
THEN TRENDS DOWN SLIGHTLY SUNDAY THROUGH EARLY NEXT WEEK.  
 
HIZ003-029>031-191415-  
KAUAI-  
302 AM HST SAT OCT 18 2025  
 
__________________________________________________________________  
TODAY SUNDAY  
 
SHORES SURF SURF  
AM PM AM PM  
__________________________________________________________________  
 
NORTH FACING 7-10 5-7 5-7 5-7  
WEST FACING 5-7 3-5 3-5 3-5  
SOUTH FACING 1-3 1-3 1-3 1-3  
EAST FACING 4-6 4-6 4-6 4-6  
 
   
TODAY  
 
WEATHER.....................MOSTLY CLOUDY. OCCASIONAL SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
HANALEI BAY..............LOW 0.5 FEET 06:26 AM HST.  
HIGH 1.7 FEET 12:52 PM HST.  
NAWILIWILI...............LOW 0.5 FEET 07:48 AM HST.  
HIGH 1.6 FEET 01:53 PM HST.  
SUNRISE.....................6:35 AM HST.  
SUNSET......................6:11 PM HST.  
   
TONIGHT  
 
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS WITH  
ISOLATED THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
TIDES...  
HANALEI BAY..............LOW 0.2 FEET 06:43 PM HST.  
HIGH 1.8 FEET 01:43 AM HST.  
NAWILIWILI...............LOW 0.2 FEET 08:05 PM HST.  
HIGH 1.7 FEET 02:44 AM HST.  
   
SUNDAY  
 
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS 10 TO 15 MPH.  
TIDES...  
HANALEI BAY..............LOW 0.5 FEET 07:13 AM HST.  
HIGH 1.6 FEET 01:17 PM HST.  
NAWILIWILI...............LOW 0.5 FEET 08:35 AM HST.  
HIGH 1.5 FEET 02:18 PM HST.  
SUNRISE.....................6:35 AM HST.  
SUNSET......................6:10 PM HST.  
 
 
 
HIZ006-007-009-032>035-191415-  
OAHU-  
302 AM HST SAT OCT 18 2025  
 
__________________________________________________________________  
TODAY SUNDAY  
 
SHORES SURF SURF  
AM PM AM PM  
__________________________________________________________________  
 
NORTH FACING 7-10 5-7 5-7 5-7  
WEST FACING 5-7 3-5 3-5 3-5  
SOUTH FACING 1-3 1-3 1-3 1-3  
EAST FACING 4-6 4-6 4-6 4-6  
 
   
TODAY  
 
UV INDEX....................VERY HIGH.  
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS 15 TO 20 MPH.  
TIDES...  
HONOLULU.................LOW 0.5 FEET 08:09 AM HST.  
HIGH 1.7 FEET 02:07 PM HST.  
WAIANAE..................LOW 0.5 FEET 08:27 AM HST.  
HIGH 1.6 FEET 02:27 PM HST.  
HALEIWA..................LOW 0.4 FEET 06:04 AM HST.  
HIGH 1.3 FEET 01:05 PM HST.  
MOKUOLOE.................LOW 0.6 FEET 06:39 AM HST.  
HIGH 2.0 FEET 12:45 PM HST.  
SUNRISE.....................6:28 AM HST.  
SUNSET......................6:06 PM HST.  
   
TONIGHT  
 
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
HONOLULU.................LOW 0.1 FEET 08:25 PM HST.  
HIGH 1.8 FEET 02:57 AM HST.  
WAIANAE..................LOW 0.1 FEET 08:43 PM HST.  
HIGH 1.7 FEET 03:17 AM HST.  
HALEIWA..................LOW 0.1 FEET 06:20 PM HST.  
HIGH 1.4 FEET 01:55 AM HST.  
MOKUOLOE.................LOW 0.3 FEET 07:07 PM HST.  
HIGH 2.0 FEET 01:41 AM HST.  
   
SUNDAY  
 
UV INDEX....................VERY HIGH.  
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
HONOLULU.................LOW 0.5 FEET 08:57 AM HST.  
HIGH 1.5 FEET 02:37 PM HST.  
WAIANAE..................LOW 0.5 FEET 09:15 AM HST.  
HIGH 1.4 FEET 02:57 PM HST.  
HALEIWA..................LOW 0.4 FEET 06:52 AM HST.  
HIGH 1.2 FEET 01:35 PM HST.  
MOKUOLOE.................LOW 0.7 FEET 07:18 AM HST.  
HIGH 1.9 FEET 12:58 PM HST.  
SUNRISE.....................6:29 AM HST.  
SUNSET......................6:05 PM HST.  
 
 
 
HIZ017-018-045>050-191415-  
MAUI-  
302 AM HST SAT OCT 18 2025  
 
__________________________________________________________________  
TODAY SUNDAY  
 
SHORES SURF SURF  
AM PM AM PM  
__________________________________________________________________  
 
NORTH FACING 7-10 5-7 5-7 5-7  
WEST FACING 2-4 2-4 2-4 2-4  
SOUTH FACING 1-3 1-3 1-3 1-3  
EAST FACING 4-6 4-6 4-6 4-6  
 
   
TODAY  
 
WEATHER.....................PARTLY SUNNY. NUMEROUS SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
KAHULUI..................LOW 0.6 FEET 06:34 AM HST.  
HIGH 2.2 FEET 12:45 PM HST.  
SUNRISE.....................6:22 AM HST.  
SUNSET......................6:00 PM HST.  
   
TONIGHT  
 
WEATHER.....................MOSTLY CLOUDY. OCCASIONAL SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
KAHULUI..................LOW 0.3 FEET 07:06 PM HST.  
HIGH 2.1 FEET 01:27 AM HST.  
   
SUNDAY  
 
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................EAST WINDS AROUND 15 MPH.  
TIDES...  
KAHULUI..................LOW 0.6 FEET 07:12 AM HST.  
HIGH 2.1 FEET 01:03 PM HST.  
SUNRISE.....................6:22 AM HST.  
SUNSET......................5:59 PM HST.  
 
 
 
HIZ052>054-191415-  
BIG ISLAND WINDWARD AND SOUTHEAST-  
302 AM HST SAT OCT 18 2025  
 
__________________________________________________________________  
TODAY SUNDAY  
 
SHORES SURF SURF  
AM PM AM PM  
__________________________________________________________________  
 
NORTH FACING 4-6 3-5 3-5 3-5  
EAST FACING 4-6 4-6 4-6 4-6  
SOUTH FACING 1-3 1-3 1-3 1-3  
 
   
TODAY  
 
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.  
TIDES...  
HILO BAY.................LOW 0.6 FEET 07:14 AM HST.  
HIGH 2.3 FEET 01:20 PM HST.  
SUNRISE.....................6:16 AM HST.  
SUNSET......................5:55 PM HST.  
   
TONIGHT  
 
WEATHER.....................CLOUDY. NUMEROUS SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................NORTH WINDS AROUND 5 MPH.  
TIDES...  
HILO BAY.................LOW 0.2 FEET 07:39 PM HST.  
HIGH 2.3 FEET 02:03 AM HST.  
   
SUNDAY  
 
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................NORTHEAST WINDS AROUND 5 MPH.  
TIDES...  
HILO BAY.................LOW 0.6 FEET 07:54 AM HST.  
HIGH 2.2 FEET 01:44 PM HST.  
SUNRISE.....................6:16 AM HST.  
SUNSET......................5:54 PM HST.  
 
 
 
HIZ023-026-051-191415-  
BIG ISLAND LEEWARD-  
302 AM HST SAT OCT 18 2025  
 
__________________________________________________________________  
TODAY SUNDAY  
 
SHORES SURF SURF  
AM PM AM PM  
__________________________________________________________________  
 
WEST FACING 2-4 2-4 2-4 2-4  
SOUTH FACING 1-3 1-3 1-3 1-3  
 
   
TODAY  
 
WEATHER.....................PARTLY SUNNY. HAZY. SCATTERED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH.  
TIDES...  
KONA.....................LOW 0.4 FEET 07:51 AM HST.  
HIGH 1.8 FEET 01:58 PM HST.  
KAWAIHAE.................LOW 0.5 FEET 08:14 AM HST.  
HIGH 1.9 FEET 02:13 PM HST.  
SUNRISE.....................6:20 AM HST.  
SUNSET......................5:59 PM HST.  
   
TONIGHT  
 
WEATHER.....................MOSTLY CLOUDY. HAZY. ISOLATED SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................LIGHT AND VARIABLE WINDS.  
TIDES...  
KONA.....................LOW 0.1 FEET 08:16 PM HST.  
HIGH 1.8 FEET 02:41 AM HST.  
KAWAIHAE.................LOW 0.1 FEET 08:32 PM HST.  
HIGH 2.0 FEET 03:02 AM HST.  
   
SUNDAY  
 
WEATHER.....................PARTLY SUNNY. HAZY. ISOLATED SHOWERS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH.  
TIDES...  
KONA.....................LOW 0.4 FEET 08:31 AM HST.  
HIGH 1.7 FEET 02:22 PM HST.  
KAWAIHAE.................LOW 0.5 FEET 09:00 AM HST.  
HIGH 1.7 FEET 02:44 PM HST.  
SUNRISE.....................6:20 AM HST.  
SUNSET......................5:58 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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