fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420908

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz530-221030-
san pablo bay, suisun bay, the west delta and  the san francisco
bay north of the bay bridge-
231 pm pdt thu may 21 2026

.tonight...sw wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. 
.fri...sw wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. 
.fri night...sw wind 10 to 15 kt. 
.sat...sw wind 10 to 15 kt. 
.sat night...sw wind 10 to 15 kt. 
.sun...sw wind 10 to 15 kt. 
.sun night...sw wind 10 to 15 kt. 
.memorial day...sw wind 10 to 15 kt. 
.mon night...w wind 15 to 20 kt. 
.tue...w wind 10 to 15 kt. 
.tue night...w wind 10 to 15 kt, easing to 5 to 10 kt after
midnight.  

$$

fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420910

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz535-221030-
monterey bay-
231 pm pdt thu may 21 2026

.tonight...w wind 5 to 10 kt, becoming light and variable. seas
3 to 4 ft. wave detail: w 4 ft at 10 seconds. patchy dense fog
late this evening and overnight. 
.fri...w wind around 5 kt, rising to 5 to 10 kt in the afternoon.
seas around 3 ft. wave detail: w 3 ft at 10 seconds. patchy dense
fog in the morning. 
.fri night...sw wind 5 to 10 kt, becoming se after midnight. seas
around 3 ft. wave detail: nw 3 ft at 10 seconds. patchy fog. 
.sat...s wind around 5 kt, veering to sw in the afternoon. seas
around 3 ft. wave detail: nw 3 ft at 9 seconds and sw 3 ft at
9 seconds. patchy fog in the morning. 
.sat night...w wind 5 to 10 kt, becoming sw after midnight. seas
around 3 ft. wave detail: nw 2 ft at 9 seconds and sw 3 ft at
10 seconds. patchy fog after midnight. 
.sun...sw wind around 5 kt, veering to w in the afternoon. seas
around 3 ft. wave detail: nw 2 ft at 10 seconds. patchy fog in
the morning. 
.sun night...w wind 5 to 10 kt, easing to around 5 kt after
midnight. seas around 3 ft. wave detail: w 3 ft at 10 seconds.
patchy fog after midnight. 
.memorial day...nw wind around 5 kt, backing to w 10 to 15 kt in
the afternoon. seas around 3 ft. wave detail: w 3 ft at
8 seconds. patchy fog in the morning. 
.mon night...w wind 10 to 15 kt. seas around 3 ft. wave detail: w
3 ft at 8 seconds. 
.tue...nw wind 15 to 20 kt, becoming w 20 to 25 kt in the
afternoon. seas 3 to 4 ft. wave detail: w 3 ft at 8 seconds. 
.tue night...w wind 20 to 25 kt, becoming nw 10 to 15 kt after
midnight. seas 4 to 5 ft. wave detail: nw 5 ft at 10 seconds.  

locally lower winds and seas across sheltered portions of the bay.


$$

fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420904

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz540-221030-
coastal waters from point arena to point reyes california out to
10 nm-
231 pm pdt thu may 21 2026

.tonight...nw wind 5 to 10 kt, backing to se late. seas 5 to
7 ft. wave detail: nw 6 ft at 10 seconds and s 2 ft at
15 seconds. 
.fri...s wind 5 to 10 kt. seas 5 to 7 ft. wave detail: nw 6 ft at
10 seconds and s 2 ft at 15 seconds. patchy dense fog in the
afternoon. 
.fri night...s wind around 5 kt. seas 5 to 7 ft. wave detail: nw
6 ft at 9 seconds and s 2 ft at 15 seconds. patchy dense fog in
the evening. 
.sat...se wind 5 to 10 kt. seas 4 to 6 ft. wave detail: nw 5 ft
at 9 seconds and s 2 ft at 15 seconds. 
.sat night...sw wind around 5 kt, backing to se after midnight.
seas 3 to 4 ft. wave detail: nw 4 ft at 9 seconds and s 2 ft at
14 seconds. 
.sun...s wind 5 to 10 kt. seas 3 to 4 ft. wave detail: w 4 ft at
9 seconds and sw 2 ft at 15 seconds. 
.sun night...sw wind around 5 kt, veering to nw after midnight.
seas 3 to 5 ft. wave detail: w 4 ft at 12 seconds and sw 2 ft at
15 seconds. 
.memorial day...nw wind 5 to 10 kt. seas 3 to 4 ft. wave detail:
nw 4 ft at 13 seconds and sw 2 ft at 15 seconds. 
.mon night...nw wind 15 to 20 kt. seas 4 to 5 ft. wave detail: nw
4 ft at 7 seconds. 
.tue...nw wind 20 to 25 kt. seas 4 to 5 ft, building to 6 to 8 ft
in the afternoon. wave detail: nw 7 ft at 9 seconds. 
.tue night...nw wind 25 to 30 kt, easing to 20 to 25 kt after
midnight. seas 8 to 10 ft, building to 9 to 12 ft after midnight.
wave detail: nw 11 ft at 11 seconds and s 2 ft at 15 seconds.  

$$

fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420905

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz545-221030-
coastal waters from point reyes to pigeon point california out to
10 nm-
231 pm pdt thu may 21 2026

.tonight...w wind 5 to 10 kt, easing to around 5 kt late this
evening and early morning, backing to sw around 5 kt late. seas
3 to 5 ft. wave detail: nw 5 ft at 10 seconds and s 2 ft at
15 seconds. patchy dense fog late this evening and overnight. 
.fri...s wind 5 to 10 kt. seas 3 to 5 ft. wave detail: nw 4 ft at
10 seconds and s 2 ft at 15 seconds. patchy dense fog in the
morning. 
.fri night...s wind 5 to 10 kt. seas 3 to 5 ft. wave detail: nw
4 ft at 10 seconds and s 2 ft at 14 seconds. 
.sat...s wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
seas 3 to 5 ft. wave detail: s 4 ft at 9 seconds and nw 4 ft at
9 seconds. 
.sat night...sw wind 5 to 10 kt. seas 3 to 4 ft. wave detail: nw
3 ft at 9 seconds and sw 3 ft at 9 seconds. 
.sun...sw wind 5 to 10 kt. seas around 3 ft. wave detail: nw 3 ft
at 9 seconds and sw 2 ft at 15 seconds. 
.sun night...w wind 5 to 10 kt. seas 3 to 4 ft. wave detail: w
3 ft at 11 seconds and sw 2 ft at 15 seconds. 
.memorial day...w wind 5 to 10 kt. seas 3 to 4 ft. wave detail:
nw 3 ft at 11 seconds and sw 2 ft at 16 seconds. 
.mon night...w wind 10 to 15 kt, becoming nw 15 to 20 kt after
midnight. seas 3 to 5 ft. wave detail: nw 4 ft at 8 seconds. 
.tue...nw wind 20 to 25 kt. seas 4 to 6 ft. wave detail: nw 5 ft
at 9 seconds. 
.tue night...nw wind 20 to 25 kt. seas 5 to 8 ft, building to
7 to 10 ft after midnight. wave detail: nw 9 ft at 11 seconds and
sw 2 ft at 15 seconds.  

.....san francisco bar/fourfathom bank forecast.....

in the deep water channel...mixed seas of 4 to 6 feet at 11 
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
1.3 kt at 09:50 pm thursday and 2.8 kt at 08:56 am friday.

$$

fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420906

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz560-221030-
coastal waters from pigeon point to point pinos california out to
10 nm-
231 pm pdt thu may 21 2026

.tonight...nw wind 5 to 10 kt, easing to around 5 kt late this
evening and overnight. seas 4 to 6 ft. wave detail: nw 5 ft at
10 seconds and s 2 ft at 15 seconds. patchy dense fog late this
evening and overnight. 
.fri...sw wind around 5 kt, rising to 5 to 10 kt in the
afternoon. seas 4 to 5 ft. wave detail: nw 4 ft at 10 seconds and
s 2 ft at 15 seconds. patchy dense fog in the morning. 
.fri night...s wind 5 to 10 kt. seas 4 to 5 ft. wave detail: nw
4 ft at 10 seconds and s 2 ft at 14 seconds. 
.sat...s wind 5 to 10 kt. seas 3 to 5 ft. wave detail: nw 4 ft at
9 seconds and sw 4 ft at 11 seconds. 
.sat night...s wind 5 to 10 kt, easing to around 5 kt after
midnight. seas 3 to 4 ft. wave detail: w 3 ft at 8 seconds and sw
2 ft at 13 seconds. 
.sun...s wind around 5 kt. seas 3 to 4 ft. wave detail: nw 3 ft
at 10 seconds and sw 2 ft at 14 seconds. 
.sun night...w wind around 5 kt. seas 3 to 4 ft. wave detail: w
3 ft at 11 seconds and sw 2 ft at 15 seconds. 
.memorial day...nw wind around 5 kt, backing to w in the
afternoon. seas 3 to 4 ft. wave detail: nw 4 ft at 12 seconds and
sw 2 ft at 16 seconds. 
.mon night...nw wind 10 to 15 kt. seas 3 to 4 ft. wave detail: w
4 ft at 9 seconds. 
.tue...nw wind 15 to 20 kt. seas 3 to 5 ft. wave detail: nw 4 ft
at 8 seconds. 
.tue night...nw wind 20 to 25 kt, easing to 15 to 20 kt after
midnight. seas 5 to 7 ft, building to 6 to 9 ft after midnight.
wave detail: nw 8 ft at 11 seconds.  

$$

fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420900

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz570-221030-
waters from point arena to point reyes 10-60 nm-
231 pm pdt thu may 21 2026

...small craft advisory in effect through late tonight...

.tonight...nw wind 15 to 20 kt. seas 7 to 9 ft. wave detail: nw
9 ft at 9 seconds and s 2 ft at 15 seconds. 
.fri...n wind 15 to 20 kt. seas 7 to 10 ft. wave detail: nw 9 ft
at 10 seconds and s 2 ft at 15 seconds. 
.fri night...n wind 15 to 20 kt. seas 7 to 10 ft. wave detail: nw
10 ft at 9 seconds and s 2 ft at 14 seconds. 
.sat...n wind 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. seas 7 to 9 ft, subsiding to 6 to 7 ft in the
afternoon. wave detail: nw 8 ft at 9 seconds and s 2 ft at
14 seconds. 
.sat night...n wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. seas 4 to 6 ft. wave detail: nw 5 ft at 8 seconds and s
2 ft at 14 seconds. 
.sun...e wind 5 to 10 kt, veering to s in the afternoon. seas
4 to 5 ft. wave detail: nw 5 ft at 8 seconds and sw 2 ft at
14 seconds. 
.sun night...w wind 5 to 10 kt. seas 5 to 6 ft. wave detail: nw
5 ft at 12 seconds and s 2 ft at 14 seconds. 
.memorial day...nw wind 5 to 10 kt. seas 5 to 6 ft. wave detail:
nw 5 ft at 9 seconds and s 2 ft at 16 seconds. 
.mon night...nw wind 15 to 20 kt, rising to 20 to 25 kt after
midnight. seas around 5 ft. wave detail: nw 5 ft at 7 seconds and
s 2 ft at 16 seconds. 
.tue...nw wind 20 to 25 kt, rising to 25 to 30 kt in the
afternoon. seas 6 to 8 ft, building to 9 ft in the afternoon.
wave detail: nw 9 ft at 9 seconds and s 2 ft at 16 seconds. 
.tue night...nw wind 25 to 30 kt. seas 10 to 11 ft, building to
13 to 14 ft after midnight. wave detail: nw 14 ft at 11 seconds
and s 2 ft at 15 seconds.  

$$

fzus56 kmtr 212131
cwfmtr
expires:202605221030;;420902

coastal waters forecast for california
national weather service san francisco bay area
231 pm pdt thu may 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


pzz575-221030-
waters from pigeon point to point pinos 10-60 nm-
231 pm pdt thu may 21 2026

.tonight...nw wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. seas 6 to 8 ft. wave detail: nw 7 ft at 10 seconds and
s 2 ft at 14 seconds. 
.fri...sw wind 5 to 10 kt. seas 5 to 7 ft. wave detail: nw 7 ft
at 10 seconds and s 2 ft at 15 seconds. 
.fri night...sw wind 5 to 10 kt. seas 5 to 7 ft. wave detail: nw
7 ft at 10 seconds and s 2 ft at 14 seconds. 
.sat...s wind 5 to 10 kt. seas 5 to 7 ft. wave detail: nw 6 ft at
9 seconds and s 2 ft at 14 seconds. 
.sat night...sw wind around 5 kt. seas 4 to 5 ft. wave detail: nw
5 ft at 9 seconds and s 3 ft at 13 seconds. 
.sun...sw wind around 5 kt. seas 4 to 5 ft. wave detail: nw 4 ft
at 9 seconds and s 2 ft at 15 seconds. 
.sun night...w wind 5 to 10 kt. seas 4 to 5 ft. wave detail: nw
5 ft at 11 seconds and sw 2 ft at 14 seconds. 
.memorial day...nw wind 5 to 10 kt. seas 4 to 5 ft. wave detail:
nw 5 ft at 9 seconds and s 2 ft at 15 seconds. 
.mon night...nw wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. seas around 5 ft. wave detail: nw 5 ft at 8 seconds and
s 2 ft at 16 seconds. 
.tue...nw wind 15 to 20 kt, rising to 20 to 25 kt in the
afternoon. seas 5 to 7 ft. wave detail: nw 6 ft at 9 seconds and
s 2 ft at 16 seconds. 
.tue night...nw wind 20 to 25 kt. seas 8 to 10 ft, building to
9 to 12 ft after midnight. wave detail: nw 12 ft at 11 seconds
and s 2 ft at 15 seconds.  

$$