Half Moon Bay, CA Surf Forecast

FZUS56 KMTR 180511
SRFMTR

NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1011 PM PDT Mon Aug 17 2026

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

CAZ505-182000-
SONOMA AND MARIN COUNTY COASTAL AREAS-
1011 PM PDT Mon Aug 17 2026


.TUESDAY...
Surf Height...................4 to 7 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Missing.
Weather.......................Mostly cloudy.
High Temperature..............58-85.
Wind..........................NW at 8 MPH becoming NW at 10 MPH.
Tides.........................High 4.1 feet (MLLW) 04:32 AM PDT.
Low 2.2 feet (MLLW) 09:39 AM PDT.
High 5.7 feet (MLLW) 04:20 PM PDT.
Low 1.1 feet (MLLW) 11:14 PM PDT.

.WEDNESDAY...
Surf Height...................4 to 7 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............55-78.
Wind..........................NW at 11 MPH becoming NW at 14 MPH.
Tides.........................High 3.8 feet (MLLW) 06:01 AM PDT.
Low 2.8 feet (MLLW) 10:30 AM PDT.
High 5.6 feet (MLLW) 05:03 PM PDT.
Low 1.0 feet (MLLW) 11:23 PM PDT.


$$


CAZ509-182000-
SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS-
1011 PM PDT Mon Aug 17 2026


.TUESDAY...
Surf Height...................3 to 6 feet.
Thunderstorm Potential........None expected.
Water Temperature.............58 to 59 degrees.
Weather.......................Mostly cloudy.
High Temperature..............58-85.
Wind..........................NW at 5 MPH becoming NW at 8 MPH.
Tides.........................High 4.1 feet (MLLW) 04:32 AM PDT.
Low 2.2 feet (MLLW) 09:39 AM PDT.
High 5.7 feet (MLLW) 04:20 PM PDT.
Low 1.1 feet (MLLW) 11:14 PM PDT.

.WEDNESDAY...
Surf Height...................4 to 7 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............57-80.
Wind..........................NW at 6 MPH becoming NW at 10 MPH.
Tides.........................High 3.8 feet (MLLW) 06:01 AM PDT.
Low 2.8 feet (MLLW) 10:30 AM PDT.
High 5.6 feet (MLLW) 05:03 PM PDT.
Low 1.0 feet (MLLW) 11:23 PM PDT.


$$


CAZ529-182000-
SANTA CRUZ COUNTY COASTAL AREAS-
1011 PM PDT Mon Aug 17 2026


.TUESDAY...
Surf Height...................3 to 6 feet.
Thunderstorm Potential........None expected.
Water Temperature.............59 to 61 degrees.
Weather.......................Mostly cloudy.
High Temperature..............61-90.
Wind..........................NW at 8 MPH becoming NW at 12 MPH.
Tides.........................High 3.5 feet (MLLW) 03:27 AM PDT.
Low 2.1 feet (MLLW) 08:35 AM PDT.
High 5.1 feet (MLLW) 03:20 PM PDT.
Low 1.2 feet (MLLW) 10:42 PM PDT.

.WEDNESDAY...
Surf Height...................3 to 6 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............61-86.
Wind..........................NW at 6 MPH becoming NW at 13 MPH.
Tides.........................High 3.2 feet (MLLW) 05:08 AM PDT.
Low 2.7 feet (MLLW) 09:11 AM PDT.
High 5.0 feet (MLLW) 04:08 PM PDT.
Low 1.0 feet (MLLW) 11:01 PM PDT.


$$


CAZ530-182000-
MONTEREY BAY AND BIG SUR COASTAL AREAS-
1011 PM PDT Mon Aug 17 2026


.TUESDAY...
Surf Height...................3 to 5 feet.
Thunderstorm Potential........None expected.
Water Temperature.............Around 59 degrees.
Weather.......................Mostly cloudy.
High Temperature..............63-82.
Wind..........................NW at 3 MPH becoming NW at 8 MPH.
Tides.........................High 3.5 feet (MLLW) 03:27 AM PDT.
Low 2.1 feet (MLLW) 08:35 AM PDT.
High 5.1 feet (MLLW) 03:20 PM PDT.
Low 1.2 feet (MLLW) 10:42 PM PDT.

.WEDNESDAY...
Surf Height...................3 to 5 feet.
Thunderstorm Potential........None expected.
Weather.......................Mostly cloudy.
High Temperature..............63-80.
Wind..........................NW at 2 MPH becoming NW at 9 MPH.
Tides.........................High 3.2 feet (MLLW) 05:08 AM PDT.
Low 2.7 feet (MLLW) 09:11 AM PDT.
High 5.0 feet (MLLW) 04:08 PM PDT.
Low 1.0 feet (MLLW) 11:01 PM PDT.


$$