Surf Forecasts:
How big are the waves at Half Moon Bay today (27 Oct):
- Morning surf: Morning surf (27 Oct, local time) - 1.5ft (0.5m), 17s period with W swell.
- Afternoon surf: Afternoon surf (27 Oct, local time) - 5ft (1.5m), 8s period with WNW swell.
- Evening surf: Evening surf (27 Oct, local time) - 5ft (1.6m), 8s period with WNW swell.
The current surf forecast for Half Moon Bay at 3PM is: 1.5m 8s primary swell from a West-northwest direction and 0.6m 16s secondary swell from a West direction, 0.6m 17s secondary swell from a Southwest direction (forecast issued at 10:00am October 27). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Oct) | 1.5ft (0.5m) | 17s |
| Afternoon (27 Oct) | 5ft (1.5m) | 8s |
| Evening (27 Oct) | 5ft (1.6m) | 8s |
Table - waves today at Half Moon Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Tue night. Very mild (max 12°C on Tue morning, min 8°C on Thu night). Winds decreasing (fresh winds from the W on Tue night, light winds from the SW by Wed night). | ||||||||||||||||||||||
Tuesday 27 | Wednesday 28 | Thursday 29 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 17 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | W 8 | WNW 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 135 | 143 | 273 | 280 | 326 | 460 | 373 | 416 | 428 | 472 | 755 | 602 | 539 | 469 | 423 | 414 | 464 | 414 | 327 | 366 | 366 | 314 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | off | cross-off | off | off | off | off | off | cross-off | off |
High Tide | 1:45PM3.19m | 3:08AM2.55m | 2:26PM3.19m | 3:59AM2.48m | 3:11PM3.12m | |||||||||||||||||
Low Tide | 7:33AM0.78m | 8:22PM-0.51m | 8:16AM0.91m | 9:09PM-0.49m | 9:01AM1.04m | 9:59PM-0.38m | ||||||||||||||||
 |  |  | |  | | |  | |  | | | | | | | | | | | |  | |
 | 7:50 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — |
 | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | 1 | — | — | — | 2 | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | — | 1 | 1 | 1 | — |
Temp °C | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 |
Feels °C | 8 | 7 | 6 | 8 | 8 | 6 | 6 | 6 | 5 | 5 | 7 | 7 | 9 | 6 | 6 | 4 | 4 | 5 | 6 | 7 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | WNW 6 | W 16 | W 16 | W 15 | W 15 | SW 18 | W 15 | W 14 | W 14 | W 8 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | WNW 9 | WNW 9 | W 9 |
| kJ | 62 | 132 | 190 | 172 | 221 | 109 | 212 | 203 | 198 | 472 | 602 | 602 | 539 | 469 | 423 | 414 | 464 | 414 | 327 | 143 | 116 | 159 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | WSW 10 | SW 17 | SW 17 | SW 17 | SW 9 | SW 18 | SW 18 | SW 17 | W 14 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 57 | 38 | 181 | 188 | 190 | 23 | 109 | 194 | 190 | 144 | 238 | 287 | 283 | 283 | 273 | 260 | 314 | 310 | 306 | 366 | 366 | 314 |
Swell 3 Height (m) Direction Period (s) | W 17 | SW 16 | WSW 10 | WSW 10 | WSW 10 | SW 14 | SW 9 | SW 9 | SW 9 | SW 17 | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | SW 6 | SW 5 | SW 9 |
| kJ | 135 | 96 | 37 | 37 | 37 | 31 | 21 | 13 | 20 | 241 | 134 | 93 | 125 | 126 | 151 | 108 | 108 | 75 | 75 | 39 | 29 | 14 |
Wind waves Height (m) Direction Period (s) | — | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | — | WNW 9 | — | — | — | SE 2 | — | — | — | — | — | — | E 2 |
| kJ | — | 143 | 273 | 280 | 326 | 460 | 373 | 416 | 428 | — | 755 | — | — | — | 1 | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 4 | 141 | 1119 | 144 | 144 | 52 | 52 | 141 | 141 | 52 | 144 | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Washington State | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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