Surf Forecasts:
Port Isaac surf forecast from 13 Nov 2026:
- Best quality surf: Tuesday 17 Nov, 12PM (local time) - 11ft (3.5m), 12s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 18 Nov, 12PM (local time) - 18ft (5.5m), 16s period, W swell with 15,746 kJ wave energy.
- Next surfable swell (1★+): Monday 16 Nov, 9AM (local time) - 4.5ft (1.4m), 10s period with W 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 Monday (Nov 16) at 9AM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 0.8m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Port Isaac in the next 16 days are 5.5m 16s and forecast to arrive on Wednesday (Nov 18) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Nov 23) at 12PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 16th Nov) | 4.5ft (1.4m) 10s |
| Best Surf | 12PM (Tue 17th Nov) | 11ft (3.5m) 12s |
| Most Powerful | 12PM (Wed 18th Nov) | 18ft (5.5m) 16s |
Table - best surf conditions forecast for Port Isaac over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Sat night. Very mild (max 12°C on Sun afternoon, min 6°C on Fri night). Winds increasing (calm on Fri afternoon, strong winds from the W by Sun afternoon). | Days 5-7 Weather SummaryHeavy rain (total 52mm), heaviest during Mon night. Very mild (max 16°C on Mon night, min 7°C on Mon afternoon). Winds decreasing (near gales from the WSW on Wed afternoon, light winds from the NE by Wed night). | |||||||||||||||||||
Fri 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | ||||||||||||||
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) | W 16 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | W 13 | W 7 | W 11 | W 10 | W 9 | WSW 9 | W 11 | W 13 | W 13 | W 15 | W 16 | W 16 | W 14 | W 13 | W 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 20 | 41 | 34 | 49 | 43 | 3 | 401 | 457 | 363 | 211 | 1012 | 3435 | 4102 | 4499 | 12204 | 15000 | 8936 | 3148 | 1838 | 871 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | off | off | cross | cross-on | cross-on | glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | on | cross-off | cross-off | cross |
High Tide | 7:37PM5.88m | 7:54AM5.93m | 8:15PM5.54m | 8:35AM5.60m | 8:59PM5.20m | 9:23AM5.30m | 9:52PM4.92m | 10:21AM5.07m | 10:58PM4.77m | 11:30AM5.01m | 00:12AM4.83m | 12:41PM5.15m | 1:19AM5.11m | |||||||
Low Tide | 1:42AM1.35m | 2:07PM1.47m | 2:21AM1.66m | 2:51PM1.80m | 3:07AM1.97m | 3:45PM2.08m | 4:04AM2.22m | 4:51PM2.24m | 5:15AM2.33m | 6:05PM2.20m | 6:30AM2.24m | 7:11PM1.96m | ||||||||
 |  |  |  |  |  | | | |  |  |  |  |  | |  |  | | |  | |
 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | 4:36 | — | — | 4:35 | — | — | 4:32 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — |
mm | — | — | — | — | 3 | 1 | 2 | 1 | — | 7 | 16 | 2 | 11 | 6 | 3 | 3 | 4 | — | — | — |
Temp °C | 8 | 8 | 10 | 10 | 11 | 11 | 12 | 10 | 7 | 12 | 16 | 12 | 11 | 12 | 12 | 12 | 11 | 9 | 9 | 7 |
Feels °C | 5 | 3 | 3 | 4 | 5 | 4 | 4 | 3 | 4 | 4 | 8 | 3 | 7 | 3 | 0 | 0 | 2 | 5 | 5 | 3 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | W 13 | — | W 11 | W 10 | W 9 | — | — | — | — | — | — | W 16 | W 14 | W 13 | W 12 |
| kJ | 6 | 41 | 34 | 49 | 43 | 3 | — | 457 | 363 | 211 | — | — | — | — | — | — | 8936 | 3148 | 1838 | 871 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | SW 8 | SW 8 | — | — | — | — | — | NNW 6 | NNW 6 | — | — | — | — | — | — | — | — | NNW 6 | NNW 6 |
| kJ | 8 | 3 | 3 | — | — | — | — | — | 48 | 13 | — | — | — | — | — | — | — | — | 85 | 17 |
Swell 3 Height (m) Direction Period (s) | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 5 | — | SSW 3 | SSW 3 | WSW 6 | W 7 | NW 7 | — | SE 2 | WSW 9 | W 11 | W 13 | W 13 | W 15 | W 16 | N 5 | NNW 7 | — | — |
| kJ | — | 2 | — | 7 | 5 | 129 | 401 | 290 | — | 1 | 1012 | 3435 | 4102 | 4499 | 12204 | 15000 | 98 | 277 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 15 | 6 | 26 | 26 | 278 | 176 | 515 | 95 | 0 | 79 | 482 | 545 | 398 | 460 | 489 | 247 | 242 | 0 | 0 | 3 |
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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