Deadman's surf break

Deadman's surfForecast / CAL – Marin County / USA

information circle12 Day Weather and Surf, issued 3 pm Thursday 11 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
Deadman's surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Deadman's sea temperature is
12.9° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Deadman's this week:

The surf forecast for Deadman's over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 4PM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.3m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Deadman's in the next 12 days are 2.5m 13s and forecast to arrive on Wednesday (Dec 17) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Dec 12) at 7AM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Mon 15th Dec)2.5ft (0.7m) 9s
Best Surf 7AM (Tue 16th Dec)5ft (1.5m) 13s
Most Powerful 7PM (Wed 17th Dec)8ft (2.5m) 13s

Table - best surf conditions forecast for Deadman's over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 17°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 17°C on Sun afternoon, min 11°C on Wed morning). Wind will be generally light.

Thu
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
2
1
2
1
1
0
0
0
0
0
0
1
1
3
2
0
0
3
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.8
W
1.7
W
1.5
W
1.4
W
1.2
W
0.9
WNW
0.8
WNW
0.7
W
0.6
W
0.6
W
0.7
W
0.7
W
0.7
W
0.4
W
1.6
W
1.7
W
1.6
W
1.7
W
2.4
W
2.4
W
2
W
Period(s) (?)1615141313121212111110991512121110121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15891225880683468232179141878294807480714778599546167217921103
Wind
(km/h)
15
NNE
15
NE
15
NE
10
NNE
10
NE
10
NE
10
NNE
5
NE
10
NE
10
NE
10
NE
15
NE
5
NW
5
SSE
5
SSW
20
SSW
15
W
15
WNW
5
W
15
WSW
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrossglassglassglasscross-
off
cross-
on
oncross-
on
crosscross-
on
High Tide
/ height (m)
5:21AM
1.69
5:04PM
1.22
5:59AM
1.74
6:40PM
1.16
6:34AM
1.79
8:07PM
1.19
7:07AM
1.83
9:15PM
1.27
7:40AM
1.87
10:10PM
1.34
8:14AM
1.91
10:55PM
1.40
8:49AM
1.93
Low Tide
/ height (m)
10:11PM
0.25
11:38AM
0.59
11:03PM
0.43
12:37PM
0.41
11:54PM
0.60
1:27PM
0.24
12:44AM
0.75
2:11PM
0.10
1:33AM
0.87
2:50PM
-0.01
2:19AM
0.97
3:26PM
-0.08
3:01AM
1.05
Thu
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Sunrise--7:15--7:16--7:16--7:16--7:18--7:18--7:18
Sunset4:51--4:51--4:51--4:51--4:52--4:52--4:52--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
cloud
light rain
rain showers
part cloud
clear
cloud
clear
Rain (mm)
---------------11----
Temp. °C141314171515171514171515161616161512131313
Feels °C (?)1099131212141210141211131416141471099
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Deadman's Surf forecast

The above surf forecast table for Deadman's provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Deadman's can be found by selecting the local surf guide option on the grey menu. Our Deadman's surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Deadman's) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Deadman's may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Deadman's is 6 km (4 miles) from the city of San Francisco. If you plan a vacation in Marin County, look for hotels and other accommodation in San Francisco. San Francisco has rooms for a wide range of budgets as well as car hire and transport links.

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