The Fort surfForecast / CAL – Sonoma / USA

information circle48hr Weather and Surf, issued 10 pm Monday 18 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
The Fort surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Fort sea temperature is
10.1° C
(Which is 2.0°C colder than average for this time of year)

How big are the waves at The Fort today?

The current surf forecast for The Fort at 6AM is: 0.8m 15s primary swell from a West-northwest direction and 1.1m 10s secondary swell from a West-northwest direction (forecast issued at 10:00pm May 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (19 May)3ft (0.9m)15s
Afternoon (19 May)4.5ft (1.4m)14s
Evening (19 May)4.5ft (1.4m)13s

Table - waves today at The Fort. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Tue morning, min 13°C on Tue night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
Rating
(10 max)
2
3
2
2
2
2
1
1
2
3
3
3
3
2
0
1
3
4
2
2
2
1
1
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
WNW
10
2.2
NW
9
1.3
WNW
10
1.2
WNW
10
0.9
WNW
15
1.4
WNW
14
1.4
WNW
14
1.3
WNW
14
1.3
WNW
13
1.4
WNW
13
1.4
WNW
13
1.4
WNW
13
1.3
WNW
13
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
2.4
WNW
10
2.5
NW
10
1.4
WNW
11
1.3
WNW
11
1.2
WNW
11
1.2
WNW
11
1.1
WNW
11
1.1
WNW
11
Wave Graph
Metric surfscale
Energy kJ
151
811
312
258
309
800
789
668
595
653
643
643
551
518
461
454
1161
1325
477
394
319
313
265
265
Wind (km/h)
15
NNW
15
NNW
10
N
5
N
5
N
10
W
15
WNW
20
NW
15
NW
10
NNW
10
NNW
5
N
0
NE
5
W
10
W
15
WNW
15
NW
15
NNW
5
N
5
NNE
5
SSE
5
SW
10
W
10
W
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
cross
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
cross
cross
cross-off
cross-off
glassy
glassy
on
cross-on
cross-on
High Tide
00:15AM1.95m
2:54PM1.39m
1:09AM1.85m
3:51PM1.39m
2:08AM1.71m
4:47PM1.41m
Low Tide
6:31PM0.86m
7:41AM-0.51m
7:31PM0.89m
8:36AM-0.43m
8:41PM0.88m
9:34AM-0.31m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:20
8:21
8:22
Temp °C
17
16
15
15
18
21
19
20
16
17
14
13
16
17
18
18
15
14
13
13
15
18
18
18
13
12
12
12
15
18
15
15
13
14
11
11
15
15
16
15
12
11
11
12
14
17
16
16
Swell 1
Height (m)
Direction
Period (s)
0.9
WNW
10
1.3
WNW
10
1.3
WNW
10
1.2
WNW
10
1.1
WNW
10
1.4
WNW
14
1.4
WNW
14
1.3
WNW
14
1.3
WNW
13
1.4
WNW
13
1.4
WNW
13
1.4
WNW
13
1.3
WNW
13
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
1.5
WNW
12
1.5
WNW
12
1.4
WNW
11
1.3
WNW
11
1.2
WNW
11
1.2
WNW
11
1.1
WNW
11
1.1
WNW
11
Energy kJ
151
312
312
258
205
800
789
668
595
653
643
643
551
518
461
454
623
612
477
394
319
313
265
265
Swell 2
Height (m)
Direction
Period (s)
0.4
WNW
17
0.5
W
16
0.6
WNW
16
0.7
WNW
16
0.9
WNW
15
0.3
SW
16
0.3
SW
16
0.3
SW
17
0.3
SW
16
0.3
SW
17
0.3
SW
16
0.3
SSW
14
0.4
SW
21
0.4
SW
21
0.3
SW
16
0.4
SW
16
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.6
SW
19
0.6
SW
19
0.4
SW
19
0.4
SW
15
Energy kJ
101
132
201
256
309
42
41
43
43
43
41
39
162
117
40
87
84
80
78
77
236
236
133
80
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
12
0.3
SW
17
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
0.3
SSW
15
0.3
SSW
14
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SSW
14
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.4
SW
19
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.3
SSW
13
Energy kJ
15
43
43
42
41
22
23
22
22
42
40
41
40
40
36
35
35
35
35
96
78
80
80
31
Wind waves
Height (m)
Direction
Period (s)
1
WNW
6
2.2
NW
9
1.7
NW
9
1.8
NW
9
2.4
WNW
10
2.5
NW
10
Energy kJ
66
811
460
505
1161
1325
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
2
2
3
3
2
2
3
3
3
3
3
3
4
4
4
2
2
2
4
4
4
Distance (km)
0
0
0
0
0
12
60
203
0
0
0
0
0
12
55
29
29
0
0
0
0
15
181
120
Best forecast wave conditions in Sonoma County
Rating
(10 max)
2
4
4
4
2
3
4
4
4
3
3
3
4
4
4
3
2
2
4
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
5
5
5
4
3
4
4
4
4
3
4
4
4
4
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
4
4
4
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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