Surf Forecasts:
How big are the waves at Porthtowan today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 10ft (3.0m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 11ft (3.5m), 11s period with SW swell.
- Evening surf: Evening surf (30 Sep, local time) - 10ft (3.0m), 11s period with SW swell.
The current surf forecast for Porthtowan at 9AM is: 3.0m 11s primary swell from a Southwest direction (forecast issued at 12:00am September 30). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 10ft (3.0m) | 11s |
| Afternoon (30 Sep) | 11ft (3.5m) | 11s |
| Evening (30 Sep) | 10ft (3.0m) | 11s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Very mild (max 18°C on Tue night, min 14°C on Wed afternoon). Winds decreasing (near gales from the SSE on Tue night, light winds from the WSW by Wed night). | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WNW 14 | W 14 | W 14 | W 13 | W 13 | W 13 | WSW 12 | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3513 | 2728 | 2316 | 2317 | 2591 | 2536 | 2301 | 2130 | 1750 | 1594 | 2659 | 4395 | 3717 | 2964 | 2323 | 1909 | 1485 | 1294 | 1046 | 1031 | 943 | 787 | 725 | 640 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:55AM6.49m | 8:16PM6.37m | 8:36AM6.20m | 9:00PM5.94m | 9:23AM5.77m | 9:52PM5.41m | ||||||||||||||||||
Low Tide | 1:53AM0.18m | 2:12PM0.27m | 2:32AM0.49m | 2:54PM0.62m | 3:16AM0.92m | 3:44PM1.07m | ||||||||||||||||||
 |  |  |  |  |  | |  | | | | | |  |  |  | | | | | | | | | |
 | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 6:58 | — | — |
mm | 10 | 2 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 |
Feels °C | 12 | 11 | 11 | 10 | 9 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | ESE 6 | ESE 6 | — | — | — | SW 11 | SW 11 | SW 11 | SW 11 | WNW 14 | W 14 | W 14 | W 13 | W 13 | W 13 | WSW 12 | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
| kJ | — | 26 | 17 | — | — | — | 2301 | 2130 | 1750 | 1594 | 2659 | 4395 | 3717 | 2964 | 2323 | 1909 | 1485 | 1294 | 1046 | 1031 | 943 | 787 | 725 | 640 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | WNW 12 | WNW 12 | WNW 11 | WNW 14 | SW 11 | — | — | — | S 18 | S 18 | S 18 | S 18 | S 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 |
| kJ | — | — | — | — | — | — | 14 | 48 | 373 | 1286 | 1130 | — | — | — | 6 | 6 | 6 | 6 | 6 | 12 | 11 | 10 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3513 | 2728 | 2316 | 2317 | 2591 | 2536 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 753 | 57 | 42 | 208 | 248 | 207 | 17 | 17 | 24 | 24 | 20 | 33 | 17 | 17 | 17 | 17 | 18 | 102 | 42 | 194 | 193 | 17 | 0 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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