• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
CA- sf south bay

Human Forecasts
 > Daily Briefing
 > Baja Guide
 > Forecast Blog
 > Extended Disc.

Real-Time Data
 > Dynamic Map
 > Wind Obs Map
 > Radar + Satellite Map
 > Wind Obs Summary
 > Pressure Report

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map
 > Tidal Currents Map

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzus56 kmtr 180917
cwfmtr
expires:202509182230;;183653

coastal waters forecast for california
national weather service san francisco bay area
217 am pdt thu sep 18 2025

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


pzz530-182230-
san pablo bay, suisun bay, the west delta and  the san francisco
bay north of the bay bridge-
217 am pdt thu sep 18 2025

.today...sw wind 5 to 10 kt, rising to 10 to 15 kt this
afternoon. a slight chance of showers late this morning. a slight
chance of showers with isolated tstms this afternoon. 
.tonight...sw wind 5 to 10 kt. isolated tstms in the evening. a
chance of showers. 
.fri...sw wind 5 to 10 kt. a slight chance of showers in the
morning. 
.fri night...sw wind 5 to 10 kt. 
.sat...w wind 5 to 10 kt. 
.sat night...w wind 5 to 10 kt. 
.sun...sw wind 5 to 10 kt. 
.sun night...sw wind 5 to 10 kt. 
.mon...sw wind around 5 kt, veering to w in the afternoon. 
.mon night...sw wind 5 to 10 kt.  

winds and waves higher in and near tstms.

$$
fzus56 kmtr 180917
cwfmtr
expires:202509182230;;183650

coastal waters forecast for california
national weather service san francisco bay area
217 am pdt thu sep 18 2025

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


pzz545-182230-
coastal waters from point reyes to pigeon point california out to
10 nm-
217 am pdt thu sep 18 2025

.today...sw wind 5 to 10 kt. seas 5 to 7 ft. wave detail: nw 6 ft
at 11 seconds and s 3 ft at 12 seconds. a slight chance of
showers with isolated tstms late this morning and afternoon. 
.tonight...sw wind around 5 kt. seas 5 to 7 ft. wave detail: nw
6 ft at 10 seconds and s 2 ft at 15 seconds. isolated tstms in
the evening. a chance of showers. 
.fri...s wind around 5 kt. seas 4 to 6 ft. wave detail: nw 5 ft
at 10 seconds and s 2 ft at 14 seconds. a slight chance of
showers in the morning. 
.fri night...sw wind around 5 kt. seas 3 to 5 ft. wave detail: nw
4 ft at 10 seconds and s 2 ft at 14 seconds. 
.sat...w wind around 5 kt. seas 3 to 4 ft. wave detail: nw 3 ft
at 9 seconds and sw 2 ft at 13 seconds. 
.sat night...nw wind 5 to 10 kt. seas 3 to 4 ft. wave detail: nw
3 ft at 11 seconds and sw 2 ft at 13 seconds. 
.sun...nw wind 5 to 10 kt. seas 3 to 4 ft. wave detail: nw 3 ft
at 12 seconds and s 2 ft at 13 seconds. 
.sun night...nw wind 5 to 10 kt. seas 3 to 4 ft, building to 4 to
6 ft after midnight. wave detail: w 5 ft at 8 seconds and sw 2 ft
at 12 seconds. 
.mon...nw wind around 5 kt. seas 4 to 6 ft. wave detail: s 2 ft
at 10 seconds and nw 5 ft at 11 seconds. 
.mon night...nw wind 5 to 10 kt, backing to w after midnight.
seas 4 to 6 ft. wave detail: s 2 ft at 7 seconds and nw 5 ft at
11 seconds.  

winds and seas higher in and near tstms.

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


in the deep water channel...mixed seas of 3 to 5 feet at 15 
seconds.

across the bar...mixed seas 5 to 6 feet at 15 seconds. maximum ebb
current of 2.3 kt at 02:16 am thursday and 2.2 kt at 03:02 pm
thursday.

$$
fzus56 kmtr 180917
cwfmtr
expires:202509182230;;183651

coastal waters forecast for california
national weather service san francisco bay area
217 am pdt thu sep 18 2025

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


pzz560-182230-
coastal waters from pigeon point to point pinos california out to
10 nm-
217 am pdt thu sep 18 2025

.today...w wind around 5 kt. seas 5 to 7 ft. wave detail: nw 6 ft
at 11 seconds and s 3 ft at 14 seconds. a chance of showers with
a slight chance of tstms late this morning and afternoon. 
.tonight...nw wind around 5 kt. seas 5 to 7 ft. wave detail: nw
6 ft at 11 seconds and s 2 ft at 15 seconds. a slight chance of
tstms in the evening. a chance of showers. 
.fri...sw wind around 5 kt. seas 4 to 6 ft. wave detail: nw 5 ft
at 10 seconds and s 2 ft at 14 seconds. a slight chance of
showers. 
.fri night...w wind around 5 kt in the evening, becoming light
and variable. seas 3 to 5 ft. wave detail: nw 4 ft at 10 seconds
and s 2 ft at 14 seconds. 
.sat...light and variable winds, becoming w around 5 kt in the
afternoon. seas 3 to 4 ft. wave detail: nw 3 ft at 9 seconds and
sw 2 ft at 13 seconds. patchy fog in the morning. 
.sat night...nw wind 5 to 10 kt. seas 3 to 4 ft. wave detail: nw
3 ft at 10 seconds and sw 2 ft at 13 seconds. 
.sun...nw wind 5 to 10 kt. seas 3 to 4 ft. wave detail: nw 3 ft
at 12 seconds and sw 2 ft at 12 seconds. 
.sun night...nw wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. seas 4 to 5 ft. wave detail: sw 2 ft at 11 seconds and
w 4 ft at 12 seconds. 
.mon...nw wind 5 to 10 kt. seas 4 to 6 ft. wave detail: nw 5 ft
at 11 seconds and sw 2 ft at 11 seconds. 
.mon night...nw wind 5 to 10 kt. seas 4 to 6 ft. wave detail: sw
2 ft at 9 seconds and nw 5 ft at 11 seconds.  

winds and seas higher in and near tstms.

$$
fzus56 kmtr 180917
cwfmtr
expires:202509182230;;183645

coastal waters forecast for california
national weather service san francisco bay area
217 am pdt thu sep 18 2025

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


pzz570-182230-
waters from point arena to point reyes 10-60 nm-
217 am pdt thu sep 18 2025

...small craft advisory in effect through friday morning...

.today...nw wind 20 to 25 kt with gusts up to 35 kt, easing to
15 to 20 kt this afternoon. seas 10 to 13 ft. wave detail: nw
12 ft at 10 seconds and s 3 ft at 15 seconds. a slight chance of
showers with isolated tstms early this afternoon. a slight chance
of showers late. 
.tonight...nw wind 15 to 20 kt, becoming n 10 to 15 kt after
midnight. seas 9 to 12 ft. wave detail: nw 12 ft at 10 seconds
and s 2 ft at 15 seconds. a slight chance of showers. 
.fri...se wind 5 to 10 kt. seas 8 to 11 ft, subsiding to 7 to
9 ft in the afternoon. wave detail: nw 10 ft at 10 seconds and s
2 ft at 14 seconds. 
.fri night...se wind around 5 kt. seas 6 to 8 ft. wave detail: nw
7 ft at 10 seconds and s 3 ft at 13 seconds. 
.sat...e wind around 5 kt, backing to nw in the afternoon. seas
5 to 6 ft. wave detail: n 5 ft at 9 seconds and sw 3 ft at
13 seconds. 
.sat night...nw wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. seas 4 to 5 ft. wave detail: nw 5 ft at 12 seconds and
s 2 ft at 13 seconds. 
.sun...nw wind 10 to 15 kt. seas 5 to 7 ft. wave detail: nw 6 ft
at 12 seconds and s 2 ft at 13 seconds. 
.sun night...nw wind 15 to 20 kt. seas 7 to 8 ft. wave detail: nw
8 ft at 9 seconds and s 2 ft at 13 seconds. 
.mon...n wind 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. seas 7 to 9 ft. wave detail: nw 8 ft at 11 seconds and
s 3 ft at 12 seconds. 
.mon night...nw wind 10 to 15 kt. seas 7 to 9 ft. wave detail: nw
8 ft at 11 seconds and s 2 ft at 12 seconds.  

winds and seas higher in and near tstms.

$$
fzus56 kmtr 180917
cwfmtr
expires:202509182230;;183647

coastal waters forecast for california
national weather service san francisco bay area
217 am pdt thu sep 18 2025

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


pzz575-182230-
waters from pigeon point to point pinos 10-60 nm-
217 am pdt thu sep 18 2025

...small craft advisory in effect until 9 am pdt this morning...

.today...nw wind 10 to 15 kt, easing to 5 to 10 kt late this
morning and afternoon. seas 7 to 10 ft. wave detail: nw 9 ft at
11 seconds and s 3 ft at 15 seconds. a chance of showers with
isolated tstms late this morning and afternoon. 
.tonight...nw wind 5 to 10 kt. seas 7 to 10 ft. wave detail: nw
9 ft at 11 seconds and s 2 ft at 14 seconds. isolated tstms in
the evening. a slight chance of showers. 
.fri...sw wind around 5 kt. seas 6 to 9 ft. wave detail: nw 8 ft
at 11 seconds and s 3 ft at 14 seconds. a slight chance of
showers in the morning. 
.fri night...w wind around 5 kt. seas 5 to 7 ft. wave detail: nw
6 ft at 10 seconds and s 3 ft at 14 seconds. 
.sat...nw wind around 5 kt. seas 4 to 5 ft. wave detail: nw 5 ft
at 10 seconds and s 3 ft at 13 seconds. 
.sat night...nw wind 5 to 10 kt. seas 4 to 5 ft. wave detail: nw
4 ft at 10 seconds and s 3 ft at 13 seconds. 
.sun...nw wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. seas 4 to 5 ft. wave detail: nw 4 ft at 12 seconds and
s 3 ft at 13 seconds. 
.sun night...nw wind 10 to 15 kt. seas 5 to 7 ft. wave detail: nw
6 ft at 12 seconds and sw 3 ft at 12 seconds. 
.mon...nw wind 10 to 15 kt. seas 6 to 8 ft. wave detail: nw 7 ft
at 11 seconds and s 3 ft at 12 seconds. 
.mon night...nw wind 5 to 10 kt. seas 6 to 8 ft. wave detail: sw
3 ft at 10 seconds and nw 7 ft at 11 seconds.  

winds and seas higher in and near tstms.

$$
© Copyright 2025 WeatherFlow, Inc · Contact Us ·