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Surf Forecasts:
Port Isaac surfForecast / Cornwall (North) / UK
Forecast update in hr min s Forecast update imminent
Port Isaac surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Port Isaac sea temperature is
15.5° C
(Which is 3.0°C warmer than normal for this time of year)Port Isaac surf forecast from 29 May 2026:
- Best quality surf: Thursday 4 Jun, 7PM (local time) - 11ft (3.5m), 13s period, W swell with cross-shore winds.
- Most powerful swell: Thursday 4 Jun, 4AM (local time) - 11ft (3.5m), 13s period, W swell with 4,280 kJ wave energy.
- Next surfable swell (1★+): Friday 29 May, 10PM (local time) - 2.5ft (0.8m), 7s 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 Friday (May 29) at 10PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.5m and 11s. 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 3.5m 13s and forecast to arrive on Thursday (Jun 04) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Fri 29th May) | 2.5ft (0.8m) 7s |
| Best Surf | 7PM (Thu 4th Jun) | 11ft (3.5m) 13s |
| Most Powerful | 4AM (Thu 4th Jun) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Port Isaac over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun night. Very mild (max 16°C on Sat morning, min 13°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 23mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon morning, min 11°C on Wed night). Winds increasing (light winds from the SSW on Mon morning, strong winds from the WSW by Wed night). | ||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
W 14 | W 12 | W 11 | W 8 | W 10 | W 12 | W 12 | W 12 | W 11 | W 11 | WSW 11 | W 10 | W 8 | W 9 | W 9 | W 9 | W 9 | W 12 | W 13 | W 13 | W 12 | |
33 | 46 | 83 | 61 | 127 | 687 | 607 | 690 | 553 | 459 | 476 | 377 | 438 | 775 | 492 | 725 | 1044 | 3181 | 4089 | 3948 | 2604 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | glassy | glassy | cross-on | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | |
High Tide | 5:15PM6.03m | 5:33AM6.05m | 5:52PM6.18m | 6:11AM6.13m | 6:28PM6.27m | 6:47AM6.15m | 7:04PM6.29m | 7:23AM6.11m | 7:41PM6.25m | 8:00AM6.00m | 8:18PM6.14m | 8:37AM5.84m | 8:56PM6.00m | ||||||||
Low Tide | 11:11AM1.22m | 11:31PM1.18m | 11:47AM1.12m | 00:07AM1.06m | 12:22PM1.05m | 00:43AM1.00m | 12:57PM1.04m | 1:19AM1.01m | 1:32PM1.08m | 1:55AM1.09m | 2:08PM1.18m | 2:33AM1.22m | 2:45PM1.32m | 3:12AM1.39m | |||||||
5:15 | — | — | 5:13 | — | — | 5:13 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:09 | — | — | |
— | — | 9:17 | — | — | 9:19 | — | — | 9:20 | — | — | 9:21 | — | — | 9:22 | — | — | 9:23 | — | — | 9:23 | |
— | — | — | — | — | — | — | — | 1 | 2 | 10 | 1 | — | — | 1 | 2 | 2 | 5 | 2 | 2 | — | |
Temp °C | 15 | 15 | 13 | 16 | 16 | 14 | 15 | 15 | 14 | 16 | 15 | 14 | 15 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 12 |
13 | 13 | 12 | 14 | 14 | 12 | 12 | 12 | 11 | 15 | 11 | 10 | 10 | 8 | 11 | 9 | 7 | 5 | 4 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 6 | W 6 | W 8 | W 8 | W 10 | W 12 | W 12 | — | W 11 | W 11 | SW 14 | — | — | — | W 9 | W 13 | — | — | — | — | W 12 |
15 | 25 | 82 | 61 | 117 | 687 | 607 | — | 553 | 459 | 8 | — | — | — | 492 | 128 | — | — | — | — | 2604 | |
Swell 2 Height (m) Direction Period (s) | W 14 | W 12 | W 11 | W 10 | W 13 | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | — | — | — |
33 | 46 | 83 | 47 | 127 | — | — | — | — | — | — | — | — | — | 19 | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | W 8 | WSW 16 | WSW 16 | WSW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 | 24 | 26 | 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 12 | — | — | WSW 11 | W 10 | W 8 | W 9 | — | W 9 | W 9 | W 12 | W 13 | W 13 | — |
— | — | — | — | — | — | — | 690 | — | — | 476 | 377 | 438 | 775 | — | 725 | 1044 | 3181 | 4089 | 3948 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 62 | 14 | 0 | 0 | 14 | 0 | 39 | 39 | 0 | 14 | 56 | 14 | 120 | 117 | 194 | 487 | 526 | 776 | 527 | 221 | 26 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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.











