FZUS56 KMTR 211551 SRFMTR NORTHERN AND CENTRAL CALIFORNIA SURF ZONE FORECAST NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 851 AM PDT Tue Apr 21 2026 ...Please check with your local authorities on potential beach closures... CAZ505-220600- SONOMA AND MARIN COUNTY COASTAL AREAS- 851 AM PDT Tue Apr 21 2026 ...CHANCE OF THUNDERSTORMS.... .TODAY... Surf Height...................6 to 9 feet. Thunderstorm Potential........Chance. Water Temperature.............Missing. Weather.......................Mostly cloudy with a chance of showers High Temperature..............52-63. Wind..........................SW at 9 MPH. Tides.........................High 6.2 feet (MLLW) 02:15 AM PDT. Low -1.1 feet (MLLW) 09:20 AM PDT. High 4.3 feet (MLLW) 04:58 PM PDT. Low 3.1 feet (MLLW) 09:06 PM PDT. .WEDNESDAY... Surf Height...................4 to 7 feet. Thunderstorm Potential........None expected. Weather.......................Partly cloudy with a slight chance High Temperature..............53-65. Wind..........................E at 6 MPH becoming E at 9 MPH. Tides.........................High 5.9 feet (MLLW) 03:11 AM PDT. Low -0.8 feet (MLLW) 10:24 AM PDT. High 4.3 feet (MLLW) 06:10 PM PDT. Low 3.1 feet (MLLW) 10:30 PM PDT. $$ CAZ509-220600- SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS- 851 AM PDT Tue Apr 21 2026 ...CHANCE OF THUNDERSTORMS.... .TODAY... Surf Height...................West Facing Beaches - 6 to 9 feet. South Facing Beaches - 3 to 5 feet. Thunderstorm Potential........Chance. Water Temperature.............Around 56 degrees. Weather.......................Mostly cloudy with a chance of showers High Temperature..............51-63. Wind..........................SW at 9 MPH becoming SW at 12 MPH. Tides.........................High 6.2 feet (MLLW) 02:15 AM PDT. Low -1.1 feet (MLLW) 09:20 AM PDT. High 4.3 feet (MLLW) 04:58 PM PDT. Low 3.1 feet (MLLW) 09:06 PM PDT. .WEDNESDAY... Surf Height...................4 to 7 feet. Thunderstorm Potential........None expected. Weather.......................Partly cloudy with a slight chance High Temperature..............55-66. Wind..........................SE at 5 MPH becoming SE at 8 MPH. Tides.........................High 5.9 feet (MLLW) 03:11 AM PDT. Low -0.8 feet (MLLW) 10:24 AM PDT. High 4.3 feet (MLLW) 06:10 PM PDT. Low 3.1 feet (MLLW) 10:30 PM PDT. $$ CAZ529-220600- SANTA CRUZ COUNTY COASTAL AREAS- 851 AM PDT Tue Apr 21 2026 ...CHANCE OF THUNDERSTORMS.... .TODAY... Surf Height...................West Facing Beaches - 6 to 9 feet. South Facing Beaches - 2 to 4 feet. Thunderstorm Potential........Chance. Water Temperature.............56 to 57 degrees. Weather.......................Mostly cloudy with showers and High Temperature..............51-62. Wind..........................SW at 12 MPH becoming SW at 14 MPH. Tides.........................High 5.8 feet (MLLW) 01:03 AM PDT. Low -1.1 feet (MLLW) 08:50 AM PDT. High 3.4 feet (MLLW) 04:10 PM PDT. Low 2.8 feet (MLLW) 07:46 PM PDT. .WEDNESDAY... Surf Height...................6 to 9 feet. Thunderstorm Potential........None expected. Weather.......................Partly cloudy with a chance of showers. High Temperature..............54-65. Wind..........................SE at 6 MPH becoming SE at 9 MPH. Tides.........................High 5.5 feet (MLLW) 02:00 AM PDT. Low -0.9 feet (MLLW) 09:57 AM PDT. High 3.5 feet (MLLW) 05:30 PM PDT. Low 2.9 feet (MLLW) 09:10 PM PDT. $$ CAZ530-220600- MONTEREY BAY AND BIG SUR COASTAL AREAS- 851 AM PDT Tue Apr 21 2026 ...CHANCE OF THUNDERSTORMS.... .TODAY... Surf Height...................West Facing Beaches - 5 to 8 feet. South Facing Beaches - 2 to 4 feet. Thunderstorm Potential........Chance. Water Temperature.............55 to 58 degrees. Weather.......................Mostly cloudy with showers and High Temperature..............56-64. Wind..........................SW at 12 MPH becoming SW at 16 MPH. Tides.........................High 5.8 feet (MLLW) 01:03 AM PDT. Low -1.1 feet (MLLW) 08:50 AM PDT. High 3.4 feet (MLLW) 04:10 PM PDT. Low 2.8 feet (MLLW) 07:46 PM PDT. .WEDNESDAY... Surf Height...................4 to 7 feet. Thunderstorm Potential........None expected. Weather.......................Partly cloudy with a chance of showers. High Temperature..............57-66. Wind..........................SE at 6 MPH becoming SE at 10 MPH. Tides.........................High 5.5 feet (MLLW) 02:00 AM PDT. Low -0.9 feet (MLLW) 09:57 AM PDT. High 3.5 feet (MLLW) 05:30 PM PDT. Low 2.9 feet (MLLW) 09:10 PM PDT. $$