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Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
12.2° C
(Which is normal for this time of year)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 9AM is: 2.1m 12s primary swell from a West direction (forecast issued at 12:00am May 18). An open ocean swell of 0.1m 14s 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 (2.1m) | 12s |
| Afternoon (18 May) | 6ft (1.8m) | 11s |
| Evening (18 May) | 3.5ft (1.1m) | 11s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Mon afternoon. Very mild (max 15°C on Wed afternoon, min 10°C on Sun night). Mainly strong winds. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 12 | W 12 | W 12 | W 12 | W 11 | W 11 | WNW 11 | WNW 11 | SSW 7 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 16 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | WSW 12 | |
1461 | 1365 | 1323 | 1154 | 776 | 750 | 343 | 286 | 332 | 655 | 773 | 857 | 1043 | 1178 | 1395 | 1834 | 6747 | 6472 | 5769 | 4804 | 3607 | 2914 | 2287 | 1754 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | |
High Tide | 6:36AM6.22m | 6:58PM6.28m | 7:24AM6.06m | 7:46PM6.13m | 8:13AM5.77m | 8:36PM5.86m | ||||||||||||||||||
Low Tide | 00:39AM0.02m | 1:01PM0.11m | 1:27AM0.07m | 1:49PM0.28m | 2:18AM0.26m | 2:39PM0.55m | ||||||||||||||||||
 | |  | | | | |  | | |  |  |  |  | |  | | | | | | | | | |
 | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — |
— | — | 1 | 1 | 1 | 1 | 4 | 2 | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 14 |
4 | 2 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 11 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 14 | 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 14 | W 14 | W 13 | W 13 | W 13 | WSW 12 |
 kJ | 3 | 3 | 4 | 1154 | 776 | 750 | 343 | 286 | 120 | 20 | 4 | 17 | 17 | 16 | 14 | — | — | — | 5769 | 4804 | 3607 | 2914 | 2287 | 1754 |
Swell 2 Height (m) Direction Period (s) | — | S 14 | S 14 | S 14 | S 20 | S 20 | S 19 | — | W 16 | SW 19 | S 19 | S 18 | S 18 | WSW 19 | S 18 | — | — | — | — | — | — | — | — | SW 16 |
| kJ | — | 4 | 4 | 4 | 8 | 7 | 7 | — | 5 | 14 | 7 | 6 | 6 | 34 | 6 | — | — | — | — | — | — | — | — | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 16 | — | S 13 | S 13 | SW 18 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 5 | — | 3 | 3 | 12 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | W 12 | W 12 | — | S 4 | SSW 4 | SSW 5 | SSW 6 | SSW 7 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 16 | W 14 | — | — | — | — | — | — |
| kJ | 1461 | 1365 | 1323 | — | 15 | 25 | 102 | 186 | 332 | 655 | 773 | 857 | 1043 | 1178 | 1395 | 1834 | 6747 | 6472 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 248 | 197 | 75 | 36 | 192 | 118 | 214 | 214 | 394 | 394 | 118 | 511 | 502 | 502 | 556 | 214 | 417 | 214 | 214 | 214 | 214 | 214 | 36 | 1 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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