Atherton, CA Surf Forecast

FZUS56 KMTR 230501
SRFMTR
NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
901 PM PST Mon Dec 22 2025

...Please check with your local authorities on potential beach closures...

CAZ505-231900-
SONOMA AND MARIN COUNTY COASTAL AREAS-
901 PM PST Mon Dec 22 2025


.TUESDAY...
Surf Height...................Northwest Facing Beaches - 7 to 11 feet.
Southwest Facing Beaches - 3 to 6 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Around 57 degrees.
Weather.......................Cloudy with rain.
High Temperature..............55-62.
Wind..........................SE at 11 MPH becoming SE at 23 MPH.
Tides.........................High 4.6 feet (MLLW) 02:31 AM PST.
Low 3.3 feet (MLLW) 06:49 AM PST.
High 5.6 feet (MLLW) 12:38 PM PST.
Low -0.5 feet (MLLW) 07:35 PM PST.

.WEDNESDAY...
Surf Height...................Northwest Facing Beaches - 10 to 14 feet.
Southwest Facing Beaches - 6 to 9 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy with rain.
High Temperature..............53-61.
Wind..........................SW at 19 MPH becoming SW at 14 MPH.
Tides.........................High 4.7 feet (MLLW) 03:06 AM PST.
Low 3.1 feet (MLLW) 07:41 AM PST.
High 5.3 feet (MLLW) 01:22 PM PST.
Low -0.3 feet (MLLW) 08:14 PM PST.


$$


CAZ509-231900-
SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS-
901 PM PST Mon Dec 22 2025


.TUESDAY...
Surf Height...................Northwest Facing Beaches - 6 to 10 feet.
Southwest Facing Beaches - 3 to 6 feet.
Thunderstorm Potential........None expected.
Water Temperature.............56 to 57 degrees.
Weather.......................Mostly cloudy with rain.
High Temperature..............55-65.
Wind..........................SE at 17 MPH becoming SE at 25 MPH.
Tides.........................High 4.6 feet (MLLW) 02:31 AM PST.
Low 3.3 feet (MLLW) 06:49 AM PST.
High 5.6 feet (MLLW) 12:38 PM PST.
Low -0.5 feet (MLLW) 07:35 PM PST.

.WEDNESDAY...
Surf Height...................West Facing Beaches - 6 to 9 feet.
South Facing Beaches - 9 to 13 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy with rain.
High Temperature..............54-63.
Wind..........................SW at 18 MPH becoming SW at 12 MPH.
Tides.........................High 4.7 feet (MLLW) 03:06 AM PST.
Low 3.1 feet (MLLW) 07:41 AM PST.
High 5.3 feet (MLLW) 01:22 PM PST.
Low -0.3 feet (MLLW) 08:14 PM PST.


$$


CAZ529-231900-
SANTA CRUZ COUNTY COASTAL AREAS-
901 PM PST Mon Dec 22 2025


.TUESDAY...
Surf Height...................Northwest Facing Beaches - 5 to 8 feet.
Southwest Facing Beaches - 2 to 4 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Missing.
Weather.......................Mostly cloudy with rain.
High Temperature..............56-63.
Wind..........................SE at 19 MPH becoming SE at 27 MPH.
Tides.........................High 3.8 feet (MLLW) 01:45 AM PST.
Low 3.2 feet (MLLW) 05:30 AM PST.
High 5.3 feet (MLLW) 11:20 AM PST.
Low -0.4 feet (MLLW) 07:04 PM PST.

.WEDNESDAY...
Surf Height...................West Facing Beaches - 5 to 8 feet.
South Facing Beaches - 8 to 12 feet.
Thunderstorm Potential........None expected.
Weather.......................Cloudy with rain.
High Temperature..............55-63.
Wind..........................SE at 16 MPH.
Tides.........................High 3.9 feet (MLLW) 02:21 AM PST.
Low 3.1 feet (MLLW) 06:28 AM PST.
High 4.9 feet (MLLW) 12:04 PM PST.
Low -0.1 feet (MLLW) 07:40 PM PST.


$$


CAZ530-231900-
MONTEREY BAY AND BIG SUR COASTAL AREAS-
901 PM PST Mon Dec 22 2025

...SLIGHT CHANCE OF THUNDERSTORMS....

.TUESDAY...
Surf Height...................3 to 6 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Around 58 degrees.
Weather.......................Mostly cloudy with rain.
High Temperature..............59-67.
Wind..........................SE at 12 MPH becoming SE at 16 MPH.
Tides.........................High 3.8 feet (MLLW) 01:45 AM PST.
Low 3.2 feet (MLLW) 05:30 AM PST.
High 5.3 feet (MLLW) 11:20 AM PST.
Low -0.4 feet (MLLW) 07:04 PM PST.

.WEDNESDAY...
Surf Height...................6 to 9 feet.
Thunderstorm Potential........Slight chance.
Weather.......................Cloudy with rain and a slight chance
High Temperature..............57-64.
Wind..........................S at 13 MPH.
Tides.........................High 3.9 feet (MLLW) 02:21 AM PST.
Low 3.1 feet (MLLW) 06:28 AM PST.
High 4.9 feet (MLLW) 12:04 PM PST.
Low -0.1 feet (MLLW) 07:40 PM PST.


$$