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Surf Forecasts:

Deadman's surf break

Deadman's surfForecast / CAL – Marin County / USA

information circle12 Day Weather and Surf, issued 10 am Wednesday 17 Sep 2025 PDT
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
17.6° C
 (Which is 3.1°C warmer than 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 Saturday (Sep 20) at 11AM. The primary swell is predicted to be 0.8m and 10s period. 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 1.9m 10s and forecast to arrive on Thursday (Sep 18) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 16s period and expected on Wednesday (Sep 17) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 20th Sep)2.5ft (0.8m) 10s
Best Surf 8AM (Mon 22nd Sep)4.5ft (1.3m) 11s
Most Powerful 2PM (Thu 18th Sep)6ft (1.9m) 10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 20°C on Wed afternoon, min 15°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Sat afternoon, min 14°C on Mon night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
2
0
1
1
0
0
1
0
0
0
0
1
1
0
0
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
WNW
0.6
WNW
1.4
WNW
1.9
WNW
1.7
WNW
1.4
WNW
1.3
WNW
1.1
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.9
WNW
0.9
WNW
1.1
WNW
0.9
WNW
1.3
WNW
1.6
WNW
1.3
WNW
1.1
WNW
1.1
WNW
1
WNW
Period(s) (?)1010810101111101010910121211111111111011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8275256731647452372232145109100129250301214372584379256251222
Wind
(km/h)
5
W
15
WSW
20
SW
20
SSW
20
WSW
10
SW
10
SW
20
WSW
5
SW
5
WSW
20
W
10
SW
5
SW
15
WSW
5
SW
5
SW
15
WSW
15
WSW
10
W
15
WSW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscrosscrosscross-
off		crosscrosscrosscrosscrossglasscross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crossglass
High Tide
/ height (m)
9:32AM
1.56
8:10PM
1.86
10:08AM
1.60
9:08PM
1.83
10:41AM
1.63
10:00PM
1.77
11:10AM
1.66
10:48PM
1.69
11:36AM
1.67
11:33PM
1.60
11:59AM
1.68
12:17AM
1.51
12:21PM
1.69
1:01AM
1.43
Low Tide
/ height (m)
2:22PM
0.85
3:04AM
-0.06
3:14PM
0.68
3:46AM
-0.05
4:00PM
0.53
4:23AM
0.01
4:43PM
0.40
4:57AM
0.11
5:22PM
0.30
5:29AM
0.24
5:58PM
0.23
5:59AM
0.41
6:35PM
0.20
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise6:52--6:54--6:54--6:54--6:56--6:56--6:58--
Sunset-7:15--7:13--7:12--7:09--7:07--7:07--7:05-
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
clear
clear
Rain (mm)
------------------5--
Temp. °C182017171716171817181916171917181916151716
Feels °C (?)181815151414161615181714161815181815141515
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for CAL - Marin County

  1. weather stationWind Update Continuing clean conditions at Deadman's (calm at San Francisco 2 km from Deadman's). 0.8m 6s windswell from the WNW with a 0.7m 12s groundswell from the W and a 0.5m 14s groundswell from the SW. 3 swells combining to make bigger set waves.

    31 minutes ago Deadman's
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Actual: 31 min ago

0 km/h
NW
Clean
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Deadman's surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Deadman's at:
surf-forecast.com

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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