513
FZUS56 KMTR 180117
SRFMTR
NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
517 PM PST WED DEC 17 2025
...PLEASE CHECK WITH YOUR LOCAL AUTHORITIES ON POTENTIAL BEACH CLOSURES...
CAZ505-181500-
SONOMA AND MARIN COUNTY COASTAL AREAS-
517 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.
CAZ509-181500-
SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS-
517 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.............55 TO 56 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.
CAZ529-181500-
SANTA CRUZ COUNTY COASTAL AREAS-
517 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.
CAZ530-181500-
MONTEREY BAY AND BIG SUR COASTAL AREAS-
517 PM PST WED DEC 17 2025
THURSDAY
SURF HEIGHT...................4 TO 7 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WATER TEMPERATURE.............AROUND 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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