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St Agnes Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
St Agnes surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 pm Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
St Agnes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Agnes sea temperature is
12.4° C
(Which is normal for this time of year)How big are the waves at St Agnes today?
The current surf forecast for St Agnes at 4PM is: 1.6m 11s primary swell from a West direction and 0.1m 20s secondary swell from a South direction (forecast issued at 12:00pm May 18). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 7ft (2.2m) | 12s |
| Afternoon (18 May) | 5.5ft (1.7m) | 11s |
| Evening (18 May) | 3.5ft (1.1m) | 11s |
Table - waves today at St Agnes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 15°C on Wed morning, min 10°C on Mon morning). Winds decreasing (strong winds from the SW on Tue night, light winds from the S by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 11 | W 11 | WNW 11 | SSW 6 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 16 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 12 | |
1048 | 843 | 595 | 400 | 270 | 562 | 684 | 746 | 878 | 881 | 1191 | 1426 | 1875 | 6849 | 7194 | 6377 | 5357 | 3833 | 3082 | 2431 | 1756 | 1413 | 1302 | 1047 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 7:06PM6.70m | 7:31AM6.47m | 7:53PM6.54m | 8:20AM6.16m | 8:44PM6.25m | |||||||||||||||||||
Low Tide | 1:04PM0.10m | 1:31AM0.06m | 1:52PM0.29m | 2:21AM0.27m | 2:42PM0.58m | 3:16AM0.59m | ||||||||||||||||||
 | | | |  | |  |  |  |  | |  | | | | | | | | | | |  | | |
 | 5:30 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — |
 | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | 9:08 |
2 | 1 | 1 | 4 | 2 | 2 | — | — | 1 | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 14 | 14 |
5 | 6 | 6 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 5 | 6 | 6 | 5 | 7 | 9 | 9 | 10 | 10 | 11 | 10 | 9 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | W 15 | W 15 | W 15 | W 14 | W 13 | W 13 | — | — | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 12 |
 kJ | 1048 | 843 | 595 | 400 | 240 | 78 | 20 | 4 | 17 | 17 | 16 | 14 | 31 | — | — | 6377 | 5357 | 3833 | 3082 | 2431 | 1756 | 1413 | 1302 | 1047 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 20 | S 20 | S 19 | — | W 16 | SW 19 | S 19 | S 18 | S 18 | WSW 19 | W 13 | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 |
| kJ | 4 | 8 | 7 | 7 | — | 5 | 14 | 7 | 6 | 6 | 34 | 14 | — | — | — | — | — | — | — | — | — | 10 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 16 | — | S 13 | — | SW 18 | S 18 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | — | 3 | — | 12 | 6 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 16 | W 14 | S 7 | SSW 7 | — | — | — | — | — | — | — |
| kJ | — | 20 | 25 | 106 | 270 | 562 | 684 | 746 | 878 | 881 | 1191 | 1426 | 1875 | 6849 | 7194 | 131 | 158 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 211 | 211 | 211 | 272 | 402 | 402 | 496 | 509 | 499 | 499 | 518 | 393 | 393 | 213 | 213 | 213 | 284 | 278 | 15 | 16 | 20 | 20 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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