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Deadman's Surf Forecast
/ CAL – Marin County (14 breaks) / California (404 breaks) /
Deadman's surfForecast / CAL – Marin County / USA
12 Day Weather and Surf, issued 4 pm Friday 18 Jul 2025 PDT
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 Sunday (Jul 20) at 8AM. The primary swell is predicted to be 1.3m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Deadman's in the next 12 days are 1.8m 7s and forecast to arrive on Monday (Jul 21) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 16s period and expected on Friday (Jul 18) at 11PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 20th Jul) | 4.5ft (1.3m) 8s |
| Best Surf | 8AM (Sun 20th Jul) | 4.5ft (1.3m) 8s |
| Most Powerful | 2AM (Mon 21st Jul) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Deadman's over the next 12 days.
Short Range Forecast Mostly dry. Very mild (max 15°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 9 | 13 | 9 | 14 | 8 | 8 | 7 | 7 | 6 | 6 | 17 | 17 | 17 | 16 | 9 | 9 | 5 | 8 | 5 | 6 | 6 | ||
Wave (?)Graph  | |||||||||||||||||||||||
| Energy (?) | 71 | 70 | 32 | 131 | 122 | 494 | 186 | 374 | 111 | 94 | 70 | 73 | 124 | 102 | 131 | 130 | 112 | 30 | 76 | 162 | 142 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | ||
High Tide / height (m) | 5:40PM 1.94 | 7:34AM 1.16 | 6:31PM 2.02 | 9:08AM 1.26 | 7:26PM 2.09 | 10:15AM 1.37 | 8:23PM 2.14 | 11:07AM 1.47 | 9:18PM 2.16 | 11:52AM 1.52 | 10:10PM 2.15 | 12:32PM 1.55 | 11:00PM 2.09 | 1:10PM 1.56 | |||||||||
Low Tide / height (m) | 12:47AM 0.12 | 11:55AM 0.82 | 1:49AM -0.06 | 1:06PM 0.95 | 2:47AM -0.21 | 2:13PM 1.00 | 3:40AM -0.32 | 3:14PM 0.99 | 4:29AM -0.39 | 4:10PM 0.94 | 5:15AM -0.40 | 5:02PM 0.87 | 5:57AM -0.36 | ||||||||||
Fri 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||
| Sunrise | - | - | 6:01 | - | - | 6:03 | - | - | 6:03 | - | - | 6:05 | - | - | 6:05 | - | - | 6:05 | - | - | 6:07 | ||
| Sunset | 8:30 | - | - | 8:29 | - | - | 8:28 | - | - | 8:28 | - | - | 8:27 | - | - | 8:25 | - | - | 8:24 | - | - | ||
 |  |  | | | | | | | |  | | | | | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 15 | 14 | 13 | 15 | 13 | 14 | 15 | 14 | 15 | 16 | 15 | 15 | 16 | 15 | 15 | 16 | 14 | 16 | 17 | 15 | 17 | ||
| Feels °C (?) | 11 | 11 | 10 | 12 | 10 | 11 | 11 | 9 | 12 | 13 | 12 | 13 | 13 | 12 | 13 | 12 | 11 | 14 | 13 | 12 | 14 | ||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - Marin County
moderate winds from the WNW at San Francisco imply that is on-shore at Deadman's. No surfable waves
1 h 45 min ago
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.
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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