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Half Moon Bay Surf Forecast
/ Washington (29 breaks) / Washington (29 breaks) /
Surf Forecasts
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Half Moon Bay surf Forecast / Washington / USA
48hr Weather and Surf, issued 4 am Saturday 20 Apr 2024 PDT
Forecast update in hr min s Update imminent
Half Moon Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Half Moon Bay sea temperature is 10.9°C (Statistics for 20 Apr 1981-2005 - mean: 10.4 °C max: 11.6 °C min: 9.3 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Half Moon Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Half Moon Bay sea temperature is 10.9°C (Statistics for 20 Apr 1981-2005 - mean: 10.4 °C max: 11.6 °C min: 9.3 °C)
How big are the waves at Half Moon Bay today?
The current surf forecast for Half Moon Bay at 9AM is: 0.6m 15s primary swell from a Southwest direction and 0.5m 10s secondary swell from a West-southwest direction (forecast issued at 04:00am April 20). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2ft (0.6m) | 15s |
| Afternoon (20 Apr) | 4.5ft (1.4m) | 14s |
| Evening (20 Apr) | 1.5ft (0.5m) | 18s |
Table - waves today at Half Moon Bay. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 14 | 6 | 18 | 7 | 9 | 12 | 11 | 11 | 10 | 10 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 16 | 16 | 16 | 16 | 9 | 9 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 134 | 134 | 134 | 134 | 857 | 157 | 155 | 415 | 757 | 1702 | 1636 | 1271 | 824 | 614 | 551 | 527 | 539 | 397 | 332 | 281 | 320 | 314 | 370 | 302 | 290 | 235 | 192 | 188 | 176 | 125 | 161 | 124 | 155 | 165 | 189 | 636 | 628 | 658 | 541 | 434 | 371 | 307 | 235 | 194 | 127 | 261 | 216 | 161 | 241 | 340 | 356 | 372 | 372 | 440 | 414 | 1005 | 1297 | 1365 | 1369 | 1323 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross | cross- on | on | on | cross- on | cross- on | cross | cross | cross | cross- on | on | on | on | on | on | on | on | on | cross- on | on | on | on | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | on | on | on | on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 11:29PM 2.43 | 11:32AM 2.30 | 11:59PM 2.55 | 12:17PM 2.34 | 12:28AM 2.66 | 1:00PM 2.37 | 12:57AM 2.75 | 1:41PM 2.38 | 1:25AM 2.80 | 2:22PM 2.38 | 1:53AM 2.83 | 3:03PM 2.35 | 2:22AM 2.83 | 3:46PM 2.29 | 2:52AM 2.81 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 5:27AM 0.63 | 5:32PM 0.45 | 6:05AM 0.40 | 6:06PM 0.49 | 6:41AM 0.19 | 6:39PM 0.58 | 7:16AM 0.02 | 7:12PM 0.69 | 7:50AM -0.09 | 7:44PM 0.81 | 8:25AM -0.16 | 8:16PM 0.94 | 9:01AM -0.18 | 8:48PM 1.06 | 9:40AM -0.16 | |||||||||||||||||||||||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - |
| Sunset | - | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | 2 | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 10 | 10 | 14 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 9 | 9 | 8 | 8 | 7 | 6 | 9 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 5 | 3 | 3 | 9 | 2 | 3 | 2 | 3 | 3 | 5 | 4 | 5 | 5 | 4 | 3 | 2 | 3 | 3 | 3 | 6 | 5 | 4 | 4 | 6 | 6 | 4 | 4 | 9 | 6 | 4 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 5 | 5 | 6 | 7 | 6 | 7 | 5 | 5 | 3 | 4 | 5 | 6 | 7 | 6 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 5 | 5 |
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