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Port Isaac Surf Forecast
/ Cornwall (North) (59 surf breaks) /
Port Isaac surfForecast / Cornwall (North) / UK
12 Day Weather and Surf, issued 12 am Monday 23 Jun 2025 BST
Best Forecast Surf Conditions for Port Isaac this week:
The surf forecast for Port Isaac over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 25) at 1AM. The primary swell is predicted to be 1.2m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Port Isaac in the next 12 days are 1.9m 10s and forecast to arrive on Friday (Jun 27) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 25th Jun) | 4ft (1.2m) 9s |
| Best Surf | 10PM (Fri 27th Jun) | 6ft (1.8m) 10s |
| Most Powerful | 7PM (Fri 27th Jun) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Port Isaac over the next 12 days.
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 01 | Wednesday 02 | Thursday 03 | Fri 04 | |||||||||||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 10 | 6 | 7 | 9 | 9 | 9 | 9 | 6 | 8 | 8 | 8 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 373 | 249 | 192 | 229 | 248 | 262 | 230 | 157 | 127 | 126 | 215 | 367 | 313 | 381 | 573 | 615 | 545 | 564 | 448 | 457 | 524 | 402 | 277 | 223 | 133 | 126 | 84 | 182 | 247 | 252 | 273 | 180 | 120 | 85 | 311 | 736 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross | cross | glass | cross- off | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | glass | cross- on | cross- on | glass | off |
High Tide / height (m) | 3:59AM 6.22 | 4:29PM 6.33 | 4:57AM 6.43 | 5:23PM 6.61 | 5:50AM 6.60 | 6:14PM 6.82 | 6:40AM 6.69 | 7:03PM 6.93 | 7:28AM 6.66 | 7:50PM 6.92 | 8:14AM 6.53 | 8:35PM 6.78 | 8:59AM 6.31 | 9:20PM 6.55 | 9:44AM 6.03 | 10:04PM 6.23 | 10:29AM 5.73 | 10:50PM 5.89 | 11:16AM 5.43 | 11:38PM 5.54 | 12:07PM 5.19 | 12:32AM 5.26 | 1:04PM 5.03 | |||||||||||||
Low Tide / height (m) | 10:20AM 0.96 | 10:49PM 0.84 | 11:16AM 0.76 | 11:45PM 0.59 | 12:08PM 0.60 | 12:37AM 0.43 | 12:57PM 0.52 | 1:26AM 0.39 | 1:44PM 0.54 | 2:13AM 0.47 | 2:29PM 0.66 | 2:59AM 0.65 | 3:13PM 0.87 | 3:43AM 0.91 | 3:56PM 1.14 | 4:28AM 1.21 | 4:41PM 1.44 | 5:13AM 1.52 | 5:28PM 1.73 | 6:01AM 1.79 | 6:20PM 1.99 | 6:54AM 2.00 | ||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 01 | Wednesday 02 | Thursday 03 | Fri 04 | |||||||||||||||||||||||||
| Sunrise | - | 5:07 | - | - | 5:07 | - | - | 5:07 | - | - | 5:07 | - | - | 5:07 | - | - | 5:09 | - | - | 5:09 | - | - | 5:09 | - | - | 5:09 | - | - | 5:11 | - | - | 5:11 | - | - | 5:13 | - |
| Sunset | - | - | 9:35 | - | - | 9:35 | - | - | 9:35 | - | - | 9:35 | - | - | 9:35 | - | - | 9:35 | - | - | 9:35 | - | - | 9:35 | - | - | 9:34 | - | - | 9:34 | - | - | 9:34 | - | - | 9:32 |
 |  |  | | | | | |  |  | | | |  | |  | | | | | |  | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | 3 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 |
| Temp. °C | 16 | 14 | 15 | 15 | 16 | 18 | 16 | 20 | 19 | 17 | 16 | 16 | 17 | 20 | 20 | 17 | 18 | 18 | 18 | 19 | 19 | 18 | 20 | 20 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 17 | 16 | 15 | 14 | 18 |
| Feels °C (?) | 11 | 9 | 10 | 12 | 12 | 16 | 15 | 19 | 18 | 16 | 14 | 13 | 14 | 15 | 15 | 15 | 17 | 17 | 18 | 19 | 19 | 19 | 20 | 19 | 17 | 11 | 9 | 11 | 13 | 13 | 13 | 15 | 14 | 13 | 13 | 17 |
Short Range Forecast: Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 20°C on Wed morning, min 14°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun night, light winds from the SW by Tue night). | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed night. Warm (max 20°C on Fri morning, min 15°C on Thu night). Mainly fresh winds. | Days 6-9 Weather Summary Mostly dry. Warm (max 20°C on Mon morning, min 15°C on Mon night). Winds increasing (calm on Sun night, strong winds from the WSW by Tue afternoon). | Long Range Forecast: Light rain (total 3mm), mostly falling on Fri morning. Very mild (max 18°C on Fri afternoon, min 14°C on Wed night). Winds decreasing (fresh winds from the WNW on Tue night, calm by Thu morning). | |||||||||||||||||||||||||||||||||
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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 12 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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