674  
FZUS56 KMTR 180440  
SRFMTR  
NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
839 PM PST WED DEC 17 2025  
 
...PLEASE CHECK WITH YOUR LOCAL AUTHORITIES ON POTENTIAL BEACH CLOSURES...  
 
CAZ505-181800-  
SONOMA AND MARIN COUNTY COASTAL AREAS-  
839 PM PST WED DEC 17 2025  
 
   
THURSDAY  
 
SURF HEIGHT...................NORTHWEST FACING BEACHES - 6 TO 10 FEET.  
SOUTH FACING BEACHES - 4 TO 7 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WATER TEMPERATURE.............AROUND 56 DEGREES.  
WEATHER.......................MOSTLY CLOUDY WITH A CHANCE OF RAIN  
HIGH TEMPERATURE..............53-62.  
WIND..........................SE AT 4 MPH.  
TIDES.........................LOW 3.3 FEET (MLLW) 03:34 AM PST.  
HIGH 6.1 FEET (MLLW) 09:31 AM PST.  
LOW -0.5 FEET (MLLW) 04:41 PM PST.  
   
FRIDAY  
 
SURF HEIGHT...................WEST FACING BEACHES - 6 TO 10 FEET.  
SOUTH FACING BEACHES - 3 TO 6 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WEATHER.......................CLOUDY WITH RAIN.  
HIGH TEMPERATURE..............53-62.  
WIND..........................S AT 13 MPH BECOMING S AT 16 MPH.  
TIDES.........................HIGH 4.5 FEET (MLLW) 12:10 AM PST.  
LOW 3.4 FEET (MLLW) 04:12 AM PST.  
HIGH 6.1 FEET (MLLW) 10:06 AM PST.  
LOW -0.6 FEET (MLLW) 05:15 PM PST.  
 
 
 
CAZ509-181800-  
SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS-  
839 PM PST WED DEC 17 2025  
 
   
THURSDAY  
 
SURF HEIGHT...................NORTHWEST FACING BEACHES - 6 TO 9 FEET.  
SOUTH FACING BEACHES - 3 TO 6 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WATER TEMPERATURE.............AROUND 55 DEGREES.  
WEATHER.......................MOSTLY CLOUDY WITH A SLIGHT CHANCE  
HIGH TEMPERATURE..............53-65.  
WIND..........................NW AT 2 MPH.  
TIDES.........................LOW 3.3 FEET (MLLW) 03:34 AM PST.  
HIGH 6.1 FEET (MLLW) 09:31 AM PST.  
LOW -0.5 FEET (MLLW) 04:41 PM PST.  
   
FRIDAY  
 
SURF HEIGHT...................WEST FACING BEACHES - 6 TO 9 FEET.  
SOUTH FACING BEACHES - 3 TO 6 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WEATHER.......................MOSTLY CLOUDY WITH RAIN.  
HIGH TEMPERATURE..............53-64.  
WIND..........................SW AT 10 MPH BECOMING SW AT 14 MPH.  
TIDES.........................HIGH 4.5 FEET (MLLW) 12:10 AM PST.  
LOW 3.4 FEET (MLLW) 04:12 AM PST.  
HIGH 6.1 FEET (MLLW) 10:06 AM PST.  
LOW -0.6 FEET (MLLW) 05:15 PM PST.  
 
 
 
CAZ529-181800-  
SANTA CRUZ COUNTY COASTAL AREAS-  
839 PM PST WED DEC 17 2025  
 
   
THURSDAY  
 
SURF HEIGHT...................6 TO 9 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WATER TEMPERATURE.............MISSING.  
WEATHER.......................PARTLY CLOUDY WITH PATCHY FOG.  
HIGH TEMPERATURE..............58-67.  
WIND..........................NW AT 5 MPH.  
TIDES.........................LOW 3.0 FEET (MLLW) 02:08 AM PST.  
HIGH 5.8 FEET (MLLW) 08:25 AM PST.  
LOW -0.4 FEET (MLLW) 04:06 PM PST.  
HIGH 3.7 FEET (MLLW) 11:13 PM PST.  
   
FRIDAY  
 
SURF HEIGHT...................4 TO 7 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WEATHER.......................MOSTLY CLOUDY WITH A CHANCE OF RAIN.  
HIGH TEMPERATURE..............58-64.  
WIND..........................W AT 3 MPH BECOMING W AT 5 MPH.  
TIDES.........................LOW 3.1 FEET (MLLW) 02:44 AM PST.  
HIGH 5.8 FEET (MLLW) 08:57 AM PST.  
LOW -0.6 FEET (MLLW) 04:41 PM PST.  
HIGH 3.7 FEET (MLLW) 11:51 PM PST.  
 
 
 
CAZ530-181800-  
MONTEREY BAY AND BIG SUR COASTAL AREAS-  
839 PM PST WED DEC 17 2025  
 
   
THURSDAY  
 
SURF HEIGHT...................4 TO 7 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WATER TEMPERATURE.............59 TO 60 DEGREES.  
WEATHER.......................PARTLY CLOUDY WITH PATCHY FOG.  
HIGH TEMPERATURE..............60-67.  
WIND..........................NW AT 4 MPH.  
TIDES.........................LOW 3.0 FEET (MLLW) 02:08 AM PST.  
HIGH 5.8 FEET (MLLW) 08:25 AM PST.  
LOW -0.4 FEET (MLLW) 04:06 PM PST.  
HIGH 3.7 FEET (MLLW) 11:13 PM PST.  
   
FRIDAY  
 
SURF HEIGHT...................3 TO 6 FEET.  
THUNDERSTORM POTENTIAL........NONE EXPECTED.  
WEATHER.......................MOSTLY CLOUDY WITH A CHANCE OF RAIN  
HIGH TEMPERATURE..............58-65.  
WIND..........................E AT 2 MPH BECOMING E AT 4 MPH.  
TIDES.........................LOW 3.1 FEET (MLLW) 02:44 AM PST.  
HIGH 5.8 FEET (MLLW) 08:57 AM PST.  
LOW -0.6 FEET (MLLW) 04:41 PM PST.  
HIGH 3.7 FEET (MLLW) 11:51 PM PST.  
 
 
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