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Half Moon Bay Surf Forecast
/ Washington (29 breaks) / Washington (29 breaks) /
Surf Forecasts:
Half Moon Bay surfForecast / Washington / USA
48hr Weather and Surf, issued 10 am Friday 29 Aug 2025 PDT
How big are the waves at Half Moon Bay today?
The current surf forecast for Half Moon Bay at 5PM is: 0.4m 14s primary swell from a Southwest direction and 0.4m 7s secondary swell from a West-southwest direction, 0.2m 5s secondary swell from a West-northwest direction (forecast issued at 10:00am August 29). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 1ft (0.3m) | 15s |
| Afternoon (29 Aug) | 1.5ft (0.4m) | 15s |
| Evening (29 Aug) | 1.5ft (0.4m) | 18s |
Table - waves today at Half Moon Bay. (Swell directed towards the surf break)
Friday 29 | Saturday 30 | Sunday 31 | Mon 01 | |||||||||||||||||||||
| 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 | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 14 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 47 | 47 | 140 | 145 | 172 | 204 | 202 | 194 | 140 | 172 | 168 | 159 | 166 | 255 | 271 | 253 | 306 | 301 | 243 | 268 | 381 | 342 | 330 | 312 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- on | glass | glass | glass | glass | glass | cross | glass | on | on | on | on | cross- on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 5:22AM 1.95 | 5:06PM 2.46 | 6:21AM 1.80 | 5:46PM 2.38 | 7:35AM 1.71 | 6:41PM 2.32 | ||||||||||||||||||
Low Tide / height (m) | 10:41AM 0.91 | 11:51PM 0.42 | 11:15AM 1.14 | 12:50AM 0.49 | 12:09PM 1.33 | 2:00AM 0.49 | ||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Mon 01 | |||||||||||||||||||||
| Sunrise | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | 7:58 | - | - | - | - |
 | | |  |  |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 16 | 17 | 16 | 15 | 15 | 15 | 14 |
| Feels °C (?) | 13 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 16 | 14 | 13 | 14 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 14 | 15 | 14 |
- Map Icons:
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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 Washington
Still cross-shore at Half Moon Bay (light winds from the SW at BUOY-WPTW1 1 km from Half Moon Bay). 0.4m 7s swell from the WSW with a 0.3m 3s local chop from the SW and a 0.2m 11s groundswell from the WSW as well as a 0.2m 3s local chop from the SSW. 4 swells combining to make bigger set waves.
1 h 19 min ago
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