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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 4 am Wednesday 29 Apr 2026 PDTForecast update in hr min s Forecast 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
12.8° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Half Moon Bay today?
The current surf forecast for Half Moon Bay at 9AM is: 1.0m 15s primary swell from a West direction and 0.9m 10s secondary swell from a West-northwest direction (forecast issued at 04:00am April 29). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 3.5ft (1.0m) | 15s |
| Afternoon (29 Apr) | 4.5ft (1.4m) | 14s |
| Evening (29 Apr) | 4.5ft (1.4m) | 14s |
Table - waves today at Half Moon Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Thu afternoon, min 8°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 17 | W 16 | W 16 | W 15 | WNW 14 | WNW 14 | WNW 14 | W 13 | WNW 13 | W 13 | WNW 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | |
355 | 513 | 494 | 530 | 845 | 822 | 803 | 521 | 599 | 498 | 515 | 490 | 408 | 402 | 408 | 335 | 335 | 392 | 368 | 416 | 403 | 344 | 344 | 339 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 11:46PM2.76m | 12:23PM2.35m | 00:20AM2.83m | 1:09PM2.37m | 00:52AM2.87m | 1:52PM2.38m | ||||||||||||||||||
Low Tide | 6:02AM0.09m | 5:57PM0.54m | 6:40AM-0.07m | 6:35PM0.67m | 7:17AM-0.17m | 7:11PM0.80m | ||||||||||||||||||
 | |  | | | | | | | |  | | | |  |  | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:25 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 11 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 12 | 13 | 12 | 11 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 10 | 10 |
7 | 5 | 6 | 9 | 7 | 5 | 7 | 8 | 8 | 7 | 8 | 9 | 8 | 7 | 7 | 5 | 5 | 4 | 6 | 7 | 6 | 6 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 17 | W 16 | W 16 | W 15 | WNW 14 | WNW 14 | WNW 14 | W 13 | WNW 13 | W 13 | WNW 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 |
 kJ | 355 | 513 | 494 | 530 | 845 | 822 | 803 | 521 | 599 | 498 | 515 | 490 | 408 | 402 | 408 | 335 | 335 | 392 | 368 | 416 | 403 | 344 | 344 | 339 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | W 10 | WNW 10 | WNW 10 | SW 16 | SW 16 | SW 16 | SW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SW 13 | SW 13 | WSW 13 |
| kJ | 50 | 108 | 187 | 184 | 64 | 64 | 64 | 63 | 24 | 23 | 22 | 21 | 34 | 34 | 54 | 54 | 54 | 53 | 20 | 51 | 18 | 28 | 28 | 18 |
Swell 3 Height (m) Direction Period (s) | W 10 | WNW 6 | SW 13 | WSW 16 | SW 11 | SW 11 | — | — | WSW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | — | W 19 | SW 19 | W 19 | SW 11 | — | SW 11 | SW 11 | — | SW 11 |
| kJ | 108 | 32 | 28 | 25 | 5 | 5 | — | — | 15 | 23 | 23 | 23 | 15 | 15 | — | 7 | 15 | 7 | 5 | — | 5 | 5 | — | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 3 | — | NW 6 | — | NW 5 | — | — | NW 3 | NW 4 | WNW 5 | NW 6 | NW 6 | NW 6 | NW 6 | WNW 6 | NW 6 | NW 6 | NW 6 | WNW 6 |
| kJ | — | — | — | — | — | 5 | — | 29 | — | 14 | — | — | 5 | 24 | 47 | 101 | 105 | 92 | 73 | 63 | 71 | 105 | 123 | 103 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 4 | 141 | 143 | 141 | 4 | 4 | 4 | 4 | 4 | 144 | 964 | 141 | 141 | 141 | 141 | 141 | 160 | 167 | 1120 | 141 | 141 |
Best forecast wave conditions in Washington State | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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