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Port Isaac Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Port Isaac surfForecast / Cornwall (North) / UK
16 Day Weather and Surf, issued 5 pm Sunday 22 Mar 2026 GMTForecast 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
10.4° C
(Which is 1.0°C warmer than normal for this time of year)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 (Mar 23) at 6AM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.4m and 4s. 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 3.0m 13s and forecast to arrive on Wednesday (Mar 25) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 23rd Mar) | 2.5ft (0.7m) 12s |
| Best Surf | 6AM (Mon 23rd Mar) | 2.5ft (0.7m) 12s |
| Most Powerful | 6PM (Wed 25th Mar) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Port Isaac over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 12°C on Tue morning, min 6°C on Tue night). Winds increasing (calm on Sun night, near gales from the NW by Tue night). | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 10°C on Fri morning, min 7°C on Wed night). Winds decreasing (strong winds from the NW on Wed afternoon, light winds from the WNW by Thu afternoon). | ||||||||||||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 6 | 7 | 9 | 9 | 9 | 8 | 12 | 12 | 11 | 11 | 7 | 7 | 10 | 13 | 13 | 13 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 86 | 76 | 146 | 144 | 130 | 119 | 413 | 1582 | 2100 | 1716 | 460 | 289 | 404 | 307 | 114 | 220 | 211 | 346 | 539 | 669 | 812 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | off | cross | cross- off | cross- off | cross | cross- on | cross- on | cross- on | on | on | cross- on | cross | cross | cross- on | on | on | cross | cross- on | cross | ||
High Tide / height (m) | 7:43PM 7.11 | 8:04AM 6.97 | 8:25PM 6.72 | 8:49AM 6.42 | 9:13PM 6.18 | 9:43AM 5.79 | 10:12PM 5.61 | 10:53AM 5.20 | 11:33PM 5.19 | 12:29PM 4.92 | 1:14AM 5.16 | 2:04PM 5.11 | 2:36AM 5.54 | ||||||||||
Low Tide / height (m) | 1:54AM 0.21 | 2:15PM 0.49 | 2:37AM 0.65 | 2:59PM 1.03 | 3:28AM 1.22 | 3:55PM 1.63 | 4:37AM 1.78 | 5:15PM 2.12 | 6:17AM 2.09 | 7:03PM 2.23 | 8:00AM 1.93 | 8:32PM 1.91 | 9:11AM 1.49 | ||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||
| Sunrise | - | - | 6:16 | - | - | 6:13 | - | - | 6:11 | - | - | 6:09 | - | - | 6:07 | - | - | 6:05 | - | - | 6:03 | ||
| Sunset | 6:34 | - | - | 6:36 | - | - | 6:37 | - | - | 6:38 | - | - | 6:40 | - | - | 6:42 | - | - | 6:44 | - | - | ||
 |  | |  |  | |  |  | | | |  | |  | | | | |  |  | | |||
Rain (mm) | - | - | - | - | - | - | 1 | 2 | 2 | 1 | - | - | - | - | - | 1 | - | - | 1 | 1 | - | ||
| Temp. °C | 9 | 9 | 11 | 11 | 9 | 12 | 12 | 9 | 7 | 8 | 8 | 7 | 7 | 9 | 10 | 10 | 8 | 9 | 9 | 10 | 9 | ||
| Feels °C (?) | 5 | 6 | 8 | 8 | 6 | 5 | 4 | 0 | -5 | -3 | 0 | 1 | 2 | 4 | 4 | 4 | -2 | 3 | 1 | 4 | 3 | ||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Port Isaac surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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