Surf Forecasts:
Port Isaac surf forecast from 9 Nov 2026:
- Best quality surf: Monday 16 Nov, 12AM (local time) - 11ft (3.5m), 13s period, W swell with cross-offshore winds.
- Most powerful swell: Saturday 21 Nov, 6AM (local time) - 13ft (4.0m), 14s period, W swell with 5,633 kJ wave energy.
- Next surfable swell (1★+): Tuesday 10 Nov, 9PM (local time) - 4.5ft (1.4m), 14s period with WSW swell.
Best Forecast Surf Conditions for Port Isaac this week:
The surf forecast for Port Isaac over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 10) at 9PM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.4m and 5s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Port Isaac in the next 16 days are 4.0m 14s and forecast to arrive on Saturday (Nov 21) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Sunday (Nov 15) at 3PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 10th Nov) | 4.5ft (1.4m) 14s |
| Best Surf | 12AM (Mon 16th Nov) | 11ft (3.5m) 13s |
| Most Powerful | 6AM (Sat 21st Nov) | 13ft (4.0m) 14s |
Table - best surf conditions forecast for Port Isaac over the next 16 days.
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue morning. Very mild (max 12°C on Mon afternoon, min 6°C on Thu morning). Winds decreasing (fresh winds from the ESE on Mon afternoon, light winds from the E by Tue night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun morning. Very mild (max 13°C on Sun morning, min 4°C on Thu night). Winds increasing (light winds from the E on Fri afternoon, strong winds from the SSE by Sun morning). | |||||||||||||||||||
Mon 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 15 | WSW 13 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | SW 10 | WSW 9 | WSW 9 | W 14 | WSW 13 | WSW 12 | WSW 12 | WSW 7 | WSW 11 | W 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 96 | 117 | 224 | 543 | 627 | 581 | 386 | 126 | 90 | 42 | 24 | 8 | 8 | 16 | 34 | 29 | 26 | 66 | 541 | 3691 |
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-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off |
High Tide | 5:17PM6.62m | 5:34AM6.69m | 5:52PM6.57m | 6:08AM6.63m | 6:26PM6.42m | 6:42AM6.47m | 7:01PM6.18m | 7:17AM6.23m | 7:37PM5.88m | 7:54AM5.93m | 8:15PM5.54m | 8:35AM5.60m | 8:59PM5.20m | |||||||
Low Tide | 11:29PM0.61m | 11:47AM0.60m | 00:01AM0.69m | 12:20PM0.69m | 00:33AM0.85m | 12:54PM0.88m | 1:07AM1.07m | 1:29PM1.15m | 1:42AM1.35m | 2:07PM1.47m | 2:21AM1.66m | 2:51PM1.80m | ||||||||
 |  |  |  |  | | |  |  | |  | | | |  | | | | |  | |
 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:31 | — | — | 7:33 | — | — |
 | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:32 | — |
mm | — | — | 10 | 1 | 8 | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 8 |
Temp °C | 12 | 12 | 11 | 11 | 9 | 9 | 9 | 9 | 8 | 8 | 5 | 7 | 8 | 9 | 10 | 9 | 9 | 13 | 14 | 14 |
Feels °C | 4 | 5 | 5 | 6 | 6 | 4 | 4 | 4 | 1 | 1 | -1 | 1 | 3 | 4 | 2 | 1 | 2 | 5 | 5 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 15 | WSW 13 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | SW 10 | WSW 9 | WSW 9 | W 14 | WSW 13 | WSW 12 | WSW 12 | WSW 7 | WSW 11 | — |
| kJ | 96 | 117 | 224 | 543 | 627 | 581 | 386 | 126 | 90 | 42 | 24 | 8 | 8 | 16 | 34 | 29 | 26 | 66 | 541 | — |
Swell 2 Height (m) Direction Period (s) | — | — | W 16 | — | — | — | — | — | — | N 5 | NNW 6 | N 6 | N 5 | WSW 12 | — | — | W 15 | W 11 | — | — |
| kJ | — | — | 21 | — | — | — | — | — | — | 2 | 3 | 2 | 2 | 14 | — | — | 4 | 21 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 13 | SW 8 | — | — | — | W 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 4 | 3 | — | — | — | 4 | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 3 | E 3 | NE 5 | ENE 4 | ENE 5 | ENE 4 | NE 4 | NE 4 | NE 4 | NE 3 | NE 3 | E 2 | ESE 3 | S 3 | SSW 4 | S 5 | SSW 6 | W 13 |
| kJ | 12 | 13 | 8 | 11 | 6 | 6 | 14 | 13 | 16 | 13 | 16 | 5 | 2 | 1 | 2 | 5 | 17 | 62 | 200 | 3691 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 224 | 218 | 202 | 3 | 0 | 6 | 6 | 6 | 69 | 113 | 6 | 15 | 15 | 6 | 272 | 224 | 41 | 213 | 621 | 527 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Port Isaac Surf forecast
The above surf forecast table for Port Isaac provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Port Isaac can be found by selecting the local surf guide option on the grey menu. Our Port Isaac surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Port Isaac) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Port Isaac may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in North Cornwall? If you are looking for accommodation near Port Isaac, camping, hotels and holiday cottages in North Cornwall, consider staying in Padstow which is 8 km (5 miles) away. Other places in and around North Cornwall where you can find information about places to rent, and car hire include Bodmin which is 15 km (9 miles) away, Newquay, Par and Saint Austell.
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