FZUS56 KMTR 220345 CWFMTR Coastal Waters Forecast for California National Weather Service San Francisco Bay Area 845 PM PDT Tue Apr 21 2026 Central California Coast from Point Arena to Point Piedras Blancas out to 60 NM, including Monterey Bay, Greater Farallones, and Cordell Bank National Marine Sanctuaries 845 PM PDT Tue Apr 21 2026 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Light pop-up showers are moving through the waters, but offer little impacts. Additional showers will be possible into Wednesday morning but these chances erode into that afternoon. As the weather breaks on Wednesday, winds will shift to a moderate NW breeze, before increasing to a fresh breeze on Thursday. Winds and seas ease into the weekend.
Waters from Point Arena to Point Reyes 10-60 NM-
845 PM PDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON...
TONIGHT
W wind 10 to 15 kt, backing to S after midnight. Seas around 6 ft. Wave Detail: W 5 ft at 11 seconds and S 3 ft at 14 seconds. A slight chance of tstms. A chance of rain late this evening and early morning. A chance of showers late.
WED
NE wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 6 to 7 ft. Wave Detail: W 6 ft at 9 seconds and SW 3 ft at 9 seconds.
WED NIGHT
N wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas around 6 ft. Wave Detail: W 6 ft at 9 seconds and S 2 ft at 18 seconds.
THU
N wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 20 to 25 kt. Seas around 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 17 seconds.
FRI
NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and S 2 ft at 15 seconds.
FRI NIGHT
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 15 seconds.
SAT
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 14 seconds.
SAT NIGHT
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds.
SUN
NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail: NW 5 ft at 8 seconds.
SUN NIGHT
NW wind around 10 kt. Seas around 5 ft. Wave Detail: NW 5 ft at 7 seconds. Winds and seas higher in and near tstms.
Waters from Point Reyes to Pigeon Point 10-60 NM-
845 PM PDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON...
TONIGHT
SW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: W 6 ft at 11 seconds and S 3 ft at 12 seconds. A chance of rain with a slight chance of tstms.
WED
NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: SW 4 ft at 7 seconds and W 6 ft at 10 seconds. A slight chance of rain in the morning.
WED NIGHT
N wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 6 to 7 ft. Wave Detail: W 6 ft at 9 seconds and S 2 ft at 18 seconds.
THU
NW wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 16 seconds.
FRI
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and S 2 ft at 15 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds.
SAT
W wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 14 seconds.
SAT NIGHT
W wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds.
SUN
NW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 11 seconds.
SUN NIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at 11 seconds. Winds and seas higher in and near tstms.
Waters from Pigeon Point to Point Pinos 10-60 NM-
845 PM PDT Tue Apr 21 2026
TONIGHT
W wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: W 6 ft at 11 seconds and S 3 ft at 12 seconds. A slight chance of showers early this evening. A chance of rain late.
WED
W wind around 10 kt, veering to NW in the afternoon. Seas 6 to 7 ft. Wave Detail: SW 4 ft at 7 seconds and W 6 ft at 10 seconds. A chance of rain in the morning.
WED NIGHT
N wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft at 10 seconds and S 2 ft at 18 seconds.
THU
N wind around 15 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 16 seconds.
FRI
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 9 seconds and S 2 ft at 15 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds.
SAT
W wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds.
SAT NIGHT
W wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and SW 2 ft at 14 seconds.
SUN
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at 10 seconds.
SUN NIGHT
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at 8 seconds.
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
845 PM PDT Tue Apr 21 2026
TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 6 to 7 ft. Wave Detail: W 7 ft at 11 seconds and S 3 ft at 12 seconds.
WED
W wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: SW 4 ft at 8 seconds and NW 6 ft at 11 seconds. A chance of rain in the morning.
WED NIGHT
NW wind 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 6 to 7 ft. Wave Detail: W 7 ft at 10 seconds and S 2 ft at 18 seconds.
THU
N wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas around 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 16 seconds.
FRI
NW wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 9 seconds and S 2 ft at 15 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds. A chance of rain after midnight.
SAT
W wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds. A chance of rain in the morning.
SAT NIGHT
W wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 13 seconds.
SUN
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 12 seconds.
SUN NIGHT
NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 12 seconds.
Coastal Waters from Point Arena to Point Reyes California out to 10 NM-
845 PM PDT Tue Apr 21 2026
TONIGHT
W wind 5 to 10 kt, backing to SE late. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and S 2 ft at 11 seconds. A slight chance of tstms. A chance of showers late this evening and early morning. A chance of rain late.
WED
E wind 5 to 10 kt, backing to NW in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 3 ft at 8 seconds and W 4 ft at 10 seconds. A slight chance of rain.
WED NIGHT
NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 9 seconds and S 2 ft at 16 seconds.
THU
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 8 seconds and S 2 ft at 16 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 17 seconds.
FRI
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and SW 2 ft at 15 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.
SAT
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds.
SAT NIGHT
W wind 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.
SUN
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds.
SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds. Winds and seas higher in and near tstms.
Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM-
845 PM PDT Tue Apr 21 2026
TONIGHT
W wind 5 to 10 kt, backing to SW late. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds and S 2 ft at 11 seconds. A chance of showers with a slight chance of tstms this evening. Showers likely with a slight chance of tstms after midnight.
WED
S wind 5 to 10 kt, veering to W in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 3 ft at 8 seconds and W 4 ft at 10 seconds. Showers likely with a slight chance of tstms in the morning, then a slight chance of rain in the afternoon.
WED NIGHT
NW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 9 seconds.
THU
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 7 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 16 seconds.
FRI
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and SW 2 ft at 14 seconds.
FRI NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds.
SAT
W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and SW 2 ft at 11 seconds.
SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 9 seconds and SW 2 ft at 10 seconds.
SUN
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.
SUN NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds. Winds and seas higher in and near tstms.
.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST.....
IN THE DEEP WATER CHANNEL...Mixed seas of 5 to 7 feet at 13 seconds.
ACROSS THE BAR...Swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 1.1 kt at 08:52 PM Tuesday and 3.7 kt at 07:52 AM Wednesday.
Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM-
845 PM PDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...
TONIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt late this evening and early morning, backing to SW late. Seas 4 to 6 ft. Wave Detail: SW 3 ft at 10 seconds and W 5 ft at 11 seconds. A chance of showers early this evening. A chance of rain late.
WED
SW wind 5 to 10 kt, veering to W in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 9 seconds and SW 3 ft at 10 seconds. A slight chance of tstms in the morning. A chance of rain.
WED NIGHT
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and S 2 ft at 16 seconds.
THU
N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 8 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 16 seconds.
FRI
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and SW 2 ft at 13 seconds.
FRI NIGHT
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 8 seconds and SW 2 ft at 15 seconds.
SAT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and SW 2 ft at 12 seconds.
SAT NIGHT
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 9 seconds and SW 2 ft at 10 seconds.
SUN
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds.
SUN NIGHT
W wind 10 to 15 kt, easing to around 5 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds. Winds and seas higher in and near tstms.
Coastal Waters from Point Pinos to Point Piedras Blancas California out to 10 NM-
845 PM PDT Tue Apr 21 2026
TONIGHT
W wind 10 to 15 kt, becoming NW 5 to 10 kt late this evening and overnight. Seas 5 to 6 ft. Wave Detail: W 6 ft at 12 seconds and S 3 ft at 14 seconds. A slight chance of showers early this evening.
WED
SW wind 5 to 10 kt, veering to W in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and SW 3 ft at 12 seconds. A chance of rain, mainly in the morning.
WED NIGHT
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and S 2 ft at 17 seconds.
THU
N wind 10 to 15 kt, becoming NW 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds and S 2 ft at 17 seconds.
THU NIGHT
NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 16 seconds.
FRI
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and SW 2 ft at 15 seconds.
FRI NIGHT
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 9 seconds.
SAT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 8 seconds. A chance of rain in the afternoon.
SAT NIGHT
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 10 seconds and SW 2 ft at 13 seconds.
SUN
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SW 2 ft at 12 seconds.
SUN NIGHT
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and S 2 ft at 12 seconds.
San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge- 845 PM PDT Tue Apr 21 2026
TONIGHT
SW wind 5 to 10 kt, backing to S late. A chance of showers with a slight chance of tstms early this evening. A chance of rain after midnight. A slight chance of tstms late.
WED
SE wind 5 to 10 kt, veering to W in the afternoon. A slight chance of tstms. Showers likely, mainly in the morning.
WED NIGHT
NW wind around 5 kt.
THU
NW wind around 5 kt, backing to W in the afternoon.
THU NIGHT
W wind 5 to 10 kt.
FRI
SW wind around 5 kt, rising to 5 to 10 kt in the afternoon.
FRI NIGHT
SW wind 5 to 10 kt.
SAT
SW wind 10 to 15 kt.
SAT NIGHT
SW wind 10 to 15 kt.
SUN
SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
SUN NIGHT
W wind 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Winds and waves higher in and near tstms.
San Francisco Bay South of the Bay Bridge- 845 PM PDT Tue Apr 21 2026
TONIGHT
W wind 10 to 15 kt, becoming SW 5 to 10 kt late this evening and early morning, backing to S late. A chance of showers with a slight chance of tstms early this evening. A slight chance of rain after midnight, then a chance of rain with a slight chance of tstms late. .WED...SE wind around 5 kt, veering to W in the afternoon. A slight chance of tstms. Rain likely in the morning, then a chance of showers in the afternoon. .WED NIGHT...NW wind 5 to 10 kt, easing to around 5 kt after midnight. .THU...Light and variable winds, becoming W 5 to 10 kt in the afternoon. .THU NIGHT...W wind 10 to 15 kt, easing to around 5 kt after midnight. .FRI...SW wind around 5 kt, veering to W in the afternoon. .FRI NIGHT...W wind 5 to 10 kt. .SAT...SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. .SAT NIGHT...SW wind 10 to 15 kt. .SUN...SW wind 5 to 10 kt. .SUN NIGHT...W wind 10 to 15 kt, becoming SW around 5 kt after midnight. Winds and waves higher in and near tstms.
Monterey Bay- 845 PM PDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... .TONIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt late this evening and early morning, backing to SW late. Seas 3 to 5 ft. Wave Detail: W 4 ft at 11 seconds and SW 2 ft at 12 seconds. A chance of showers early this evening. A slight chance of rain late. .WED...S wind 5 to 10 kt, veering to SW in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and SW 2 ft at 10 seconds. A chance of rain. .WED NIGHT...NW wind 5 to 10 kt, veering to NE after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds. .THU...NE wind around 5 kt, backing to NW 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds. .THU NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds. .FRI...NW wind around 5 kt, backing to W in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 2 ft at 8 seconds and W 3 ft at 9 seconds. .FRI NIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 8 seconds. .SAT...W wind 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 3 ft. Wave Detail: W 2 ft at 9 seconds. .SAT NIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: SW 2 ft at 6 seconds and W 2 ft at 10 seconds. .SUN...SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas around 3 ft. Wave Detail: W 2 ft at 6 seconds. .SUN NIGHT...W wind 10 to 15 kt, easing to around 5 kt after midnight. Seas around 3 ft. Wave Detail: NW 2 ft at 8 seconds. Locally lower winds and seas across sheltered portions of the bay.
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