Surf Forecasts:
Deadman's surf forecast from 20 Aug 2026:
- Best quality surf: Sunday 23 Aug, 8AM (local time) - 4ft (1.2m), 7s period, WNW swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 11PM (local time) - 6.5ft (2.0m), 8s period, WNW swell with 464 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 8AM (local time) - 4ft (1.2m), 7s period with WNW swell.
Best Forecast Surf Conditions for Deadman's this week:
The surf forecast for Deadman's over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 8AM. The primary swell is predicted to be 1.2m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Deadman's in the next 16 days are 2.0m 8s and forecast to arrive on Wednesday (Aug 26) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 16s period and expected on Wednesday (Aug 26) at 8PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 23rd Aug) | 4ft (1.2m) 7s |
| Best Surf | 8AM (Sun 23rd Aug) | 4ft (1.2m) 7s |
| Most Powerful | 11PM (Wed 26th Aug) | 6.5ft (2.0m) 8s |
Table - best surf conditions forecast for Deadman's over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 13°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Sun afternoon, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | W 12 | W 12 | SW 14 | SW 14 | SW 13 | SW 13 | WNW 10 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 8 |
Wave Graph | |||||||||||||||||||||
134 | 132 | 167 | 93 | 85 | 85 | 33 | 100 | 158 | 135 | 149 | 134 | 157 | 108 | 147 | 219 | 130 | 124 | 201 | 206 | 392 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross |
High Tide | 5:08PM1.73m | 8:52AM1.28m | 6:06PM1.74m | 9:41AM1.36m | 7:05PM1.76m | 10:17AM1.41m | 8:01PM1.80m | 10:45AM1.43m | 8:50PM1.83m | 11:09AM1.45m | 9:35PM1.83m | 11:31AM1.48m | 10:18PM1.82m | ||||||||
Low Tide | 11:13AM1.04m | 00:48AM0.28m | 12:32PM1.10m | 1:48AM0.21m | 1:37PM1.09m | 2:38AM0.13m | 2:30PM1.03m | 3:21AM0.05m | 3:14PM0.95m | 3:58AM-0.02m | 3:53PM0.85m | 4:32AM-0.06m | 4:29PM0.75m | ||||||||
6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | |
— | 7:55 | — | — | 7:54 | — | — | 7:53 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:47 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 14 | 15 | 16 | 14 | 15 | 18 | 16 | 16 | 18 | 15 | 15 | 17 | 15 | 15 | 16 | 15 | 15 | 17 | 15 |
Feels °C | 12 | 13 | 11 | 12 | 12 | 11 | 13 | 14 | 14 | 15 | 15 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 14 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 6 | W 12 | W 11 | W 11 | W 10 | W 10 | WNW 10 | SW 13 | SW 16 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | SW 16 | SW 16 | SSW 14 |
47 | 132 | 85 | 83 | 78 | 51 | 33 | 43 | 63 | 135 | 149 | 134 | 125 | 89 | 51 | 38 | 27 | 26 | 201 | 206 | 366 | |
Swell 2 Height (m) Direction Period (s) | W 12 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 17 | SW 12 | SW 19 | SW 18 | SSW 15 | SSW 14 | SSW 14 | SW 17 | SW 16 | SW 16 | SW 16 | WNW 7 | S 13 | WSW 12 |
134 | 136 | 167 | 93 | 85 | 85 | 44 | 74 | 37 | 130 | 114 | 86 | 120 | 120 | 147 | 219 | 130 | 124 | 34 | 82 | 49 | |
Swell 3 Height (m) Direction Period (s) | SSW 14 | WSW 19 | SW 20 | SW 18 | SW 18 | SW 17 | SW 17 | W 12 | WSW 19 | SSW 16 | SSW 16 | SW 18 | SW 18 | SW 18 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | WSW 13 | SW 15 |
129 | 36 | 15 | 51 | 49 | 47 | 77 | 12 | 37 | 50 | 50 | 113 | 157 | 108 | 71 | 68 | 68 | 54 | 50 | 58 | 54 | |
Wind waves Height (m) Direction Period (s) | NW 7 | WNW 6 | WNW 6 | WNW 5 | WNW 4 | WNW 5 | WNW 5 | WNW 6 | WNW 7 | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 8 |
88 | 42 | 65 | 32 | 21 | 28 | 33 | 100 | 158 | — | — | — | — | — | — | — | — | — | — | 122 | 392 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 102 | 74 | 102 | 103 | 74 | 101 | 103 | 3 | 3 | 47 | 3 | 3 | 102 | 3 | 3 | 47 | 3 | 3 | 102 | 3 |
Best forecast wave conditions in Marin County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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 16 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.











