660
FZUS56 KMTR 181650
SRFMTR
NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
849 AM PST THU DEC 18 2025
...PLEASE CHECK WITH YOUR LOCAL AUTHORITIES ON POTENTIAL BEACH CLOSURES...
CAZ505-190600-
SONOMA AND MARIN COUNTY COASTAL AREAS-
849 AM PST THU DEC 18 2025
TODAY
SURF HEIGHT...................NORTHWEST FACING BEACHES - 6 TO 10 FEET.
SOUTH FACING BEACHES - 3 TO 6 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 - 7 TO 11 FEET.
SOUTH FACING BEACHES - 3 TO 5 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WEATHER.......................CLOUDY WITH RAIN.
HIGH TEMPERATURE..............54-61.
WIND..........................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.
CAZ509-190600-
SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS-
849 AM PST THU DEC 18 2025
TODAY
SURF HEIGHT...................NORTHWEST FACING BEACHES - 6 TO 9 FEET.
SOUTH FACING BEACHES - 3 TO 6 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WATER TEMPERATURE.............AROUND 56 DEGREES.
WEATHER.......................MOSTLY CLOUDY WITH A SLIGHT CHANCE
HIGH TEMPERATURE..............53-65.
WIND..........................NW AT 3 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 5 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WEATHER.......................CLOUDY WITH RAIN.
HIGH TEMPERATURE..............54-64.
WIND..........................SW AT 11 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.
CAZ529-190600-
SANTA CRUZ COUNTY COASTAL AREAS-
849 AM PST THU DEC 18 2025
TODAY
SURF HEIGHT...................NORTHWEST FACING BEACHES - 6 TO 9 FEET.
SOUTH FACING BEACHES - 3 TO 5 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WATER TEMPERATURE.............MISSING.
WEATHER.......................PARTLY CLOUDY WITH PATCHY FOG.
HIGH TEMPERATURE..............59-67.
WIND..........................NW AT 6 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...................5 TO 8 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WEATHER.......................MOSTLY CLOUDY WITH A CHANCE OF RAIN.
HIGH TEMPERATURE..............57-64.
WIND..........................SW AT 4 MPH BECOMING SW AT 6 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.
CAZ530-190600-
MONTEREY BAY AND BIG SUR COASTAL AREAS-
849 AM PST THU DEC 18 2025
TODAY
SURF HEIGHT...................WEST FACING BEACHES - 4 TO 7 FEET.
SOUTH FACING BEACHES - 2 TO 4 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WATER TEMPERATURE.............AROUND 59 DEGREES.
WEATHER.......................PARTLY CLOUDY WITH PATCHY FOG.
HIGH TEMPERATURE..............59-67.
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...................4 TO 7 FEET.
THUNDERSTORM POTENTIAL........NONE EXPECTED.
WEATHER.......................MOSTLY CLOUDY WITH A CHANCE OF RAIN.
HIGH TEMPERATURE..............58-64.
WIND..........................NW AT 2 MPH BECOMING NW 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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