FZUS56 KMTR 220321
SRFMTR

NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
821 PM PDT Fri Aug 21 2026

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

CAZ505-221800-
SONOMA AND MARIN COUNTY COASTAL AREAS-
821 PM PDT Fri Aug 21 2026


.SATURDAY...
Surf Height...................3 to 5 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Missing.
Weather.......................Partly cloudy.
High Temperature..............56-81.
Wind..........................NW at 16 MPH becoming NW at 20 MPH.
Tides.........................Low 0.6 feet (MLLW) 02:31 AM PDT.
                              High 4.3 feet (MLLW) 10:11 AM PDT.
                              Low 3.5 feet (MLLW) 02:13 PM PDT.
                              High 5.6 feet (MLLW) 07:55 PM PDT.

.SUNDAY...
Surf Height...................3 to 6 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............56-77.
Wind..........................NW at 11 MPH.
Tides.........................Low 0.3 feet (MLLW) 03:22 AM PDT.
                              High 4.5 feet (MLLW) 10:49 AM PDT.
                              Low 3.3 feet (MLLW) 03:07 PM PDT.
                              High 5.7 feet (MLLW) 08:49 PM PDT.


$$


CAZ509-221800-
SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS-
821 PM PDT Fri Aug 21 2026


.SATURDAY...
Surf Height...................3 to 5 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Around 59 degrees.
Weather.......................Mostly cloudy.
High Temperature..............58-86.
Wind..........................NW at 13 MPH becoming NW at 16 MPH.
Tides.........................Low 0.6 feet (MLLW) 02:31 AM PDT.
                              High 4.3 feet (MLLW) 10:11 AM PDT.
                              Low 3.5 feet (MLLW) 02:13 PM PDT.
                              High 5.6 feet (MLLW) 07:55 PM PDT.

.SUNDAY...
Surf Height...................4 to 7 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............58-82.
Wind..........................NW at 9 MPH.
Tides.........................Low 0.3 feet (MLLW) 03:22 AM PDT.
                              High 4.5 feet (MLLW) 10:49 AM PDT.
                              Low 3.3 feet (MLLW) 03:07 PM PDT.
                              High 5.7 feet (MLLW) 08:49 PM PDT.


$$


CAZ529-221800-
SANTA CRUZ COUNTY COASTAL AREAS-
821 PM PDT Fri Aug 21 2026


.SATURDAY...
Surf Height...................3 to 5 feet.
Thunderstorm Potential........None expected.
Water Temperature.............61 to 62 degrees.
Weather.......................Mostly cloudy.
High Temperature..............61-90.
Wind..........................NW at 14 MPH becoming NW at 20 MPH.
Tides.........................Low 0.5 feet (MLLW) 02:06 AM PDT.
                              High 3.6 feet (MLLW) 09:33 AM PDT.
                              Low 3.3 feet (MLLW) 12:55 PM PDT.
                              High 5.1 feet (MLLW) 07:06 PM PDT.

.SUNDAY...
Surf Height...................3 to 6 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............60-86.
Wind..........................NW at 12 MPH becoming NW at 16 MPH.
Tides.........................Low 0.2 feet (MLLW) 02:50 AM PDT.
                              High 3.7 feet (MLLW) 09:59 AM PDT.
                              Low 3.1 feet (MLLW) 01:52 PM PDT.
                              High 5.3 feet (MLLW) 07:56 PM PDT.


$$


CAZ530-221800-
MONTEREY BAY AND BIG SUR COASTAL AREAS-
821 PM PDT Fri Aug 21 2026


.SATURDAY...
Surf Height...................2 to 4 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Around 59 degrees.
Weather.......................Partly cloudy.
High Temperature..............63-84.
Wind..........................NW at 4 MPH becoming NW at 11 MPH.
Tides.........................Low 0.5 feet (MLLW) 02:06 AM PDT.
                              High 3.6 feet (MLLW) 09:33 AM PDT.
                              Low 3.3 feet (MLLW) 12:55 PM PDT.
                              High 5.1 feet (MLLW) 07:06 PM PDT.

.SUNDAY...
Surf Height...................3 to 5 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............62-81.
Wind..........................NW at 4 MPH becoming NW at 10 MPH.
Tides.........................Low 0.2 feet (MLLW) 02:50 AM PDT.
                              High 3.7 feet (MLLW) 09:59 AM PDT.
                              Low 3.1 feet (MLLW) 01:52 PM PDT.
                              High 5.3 feet (MLLW) 07:56 PM PDT.


$$