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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 6 pm Tuesday 15 Jul 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 (Jul 16) at 7AM. The primary swell is predicted to be 1.6m and 9s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Port Isaac in the next 12 days are 2.5m 8s and forecast to arrive on Wednesday (Jul 23) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Jul 19) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 16th Jul) | 5ft (1.6m) 9s |
| Best Surf | 10AM (Wed 16th Jul) | 4.5ft (1.4m) 9s |
| Most Powerful | 1AM (Wed 23rd Jul) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Port Isaac over the next 12 days.
Tue 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sun 27 | ||||||||||||||||||||||||
| 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 | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 8 | 8 | 8 | 7 | 8 | 9 | 8 | 7 | 6 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 7 | 9 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 1808 | 964 | 311 | 163 | 138 | 224 | 181 | 185 | 169 | 189 | 135 | 98 | 80 | 74 | 270 | 341 | 482 | 187 | 132 | 229 | 328 | 464 | 970 | 1759 | 1636 | 731 | 367 | 569 | 637 | 640 | 973 | 832 | 862 | 387 | 300 | 124 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | glass | cross- off | cross | cross- off | cross- off | off | cross- on | cross- on | cross- on | cross- off | off | cross- off | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross | cross- on | cross- on | on | cross- on | cross- off | cross | cross | cross | cross | cross | cross- on | cross | cross- on | cross- off | cross- off |
High Tide / height (m) | 9:35PM 6.68 | 9:59AM 6.28 | 10:20PM 6.49 | 10:46AM 6.08 | 11:10PM 6.21 | 11:40AM 5.84 | 12:08AM 5.91 | 12:43PM 5.63 | 1:17AM 5.66 | 1:55PM 5.54 | 2:32AM 5.59 | 3:10PM 5.65 | 3:46AM 5.72 | 4:18PM 5.93 | 4:50AM 5.98 | 5:16PM 6.28 | 5:44AM 6.26 | 6:07PM 6.61 | 6:32AM 6.49 | 6:53PM 6.86 | 7:16AM 6.62 | 7:35PM 6.97 | 7:56AM 6.63 | |||||||||||||
Low Tide / height (m) | 3:54AM 0.75 | 4:09PM 0.91 | 4:39AM 0.93 | 4:57PM 1.14 | 5:31AM 1.18 | 5:54PM 1.39 | 6:31AM 1.44 | 7:01PM 1.60 | 7:42AM 1.61 | 8:19PM 1.65 | 8:58AM 1.62 | 9:37PM 1.51 | 10:10AM 1.43 | 10:45PM 1.21 | 11:12AM 1.14 | 11:43PM 0.88 | 12:04PM 0.85 | 12:33AM 0.60 | 12:50PM 0.62 | 1:17AM 0.43 | 1:31PM 0.50 | 1:57AM 0.39 | ||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sun 27 | ||||||||||||||||||||||||
| Sunrise | - | - | 5:24 | - | - | 5:24 | - | - | 5:26 | - | - | 5:28 | - | - | 5:28 | - | - | 5:30 | - | - | 5:31 | - | - | 5:33 | - | - | 5:33 | - | - | 5:35 | - | - | 5:37 | - | - | 5:37 |
| Sunset | 9:25 | - | - | 9:24 | - | - | 9:23 | - | - | 9:22 | - | - | 9:22 | - | - | 9:21 | - | - | 9:20 | - | - | 9:17 | - | - | 9:16 | - | - | 9:15 | - | - | 9:14 | - | - | 9:13 | - | - |
 |  |  | |  |  | |  |  | | | | | | | | | | | |  | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | 4 | 2 | - | - | 1 | 5 | 3 | - | - | 5 | - | - | - | - | 3 | - | - | - | 1 | 2 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 16 | 18 | 19 | 18 | 20 | 20 | 17 | 18 | 18 | 16 | 18 | 18 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 16 | 17 | 17 | 16 | 17 | 17 | 16 | 18 |
| Feels °C (?) | 10 | 11 | 19 | 17 | 16 | 19 | 18 | 16 | 16 | 16 | 14 | 16 | 13 | 9 | 12 | 12 | 13 | 13 | 13 | 16 | 15 | 15 | 13 | 13 | 15 | 12 | 14 | 13 | 11 | 10 | 10 | 10 | 14 | 14 | 15 | 12 |
Short Range Forecast: Light rain (total 8mm), mostly falling on Thu night. Warm (max 20°C on Thu morning, min 16°C on Tue night). Winds decreasing (strong winds from the WSW on Tue afternoon, calm by Wed morning). | Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Sat afternoon. Very mild (max 18°C on Fri afternoon, min 13°C on Sat night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the WSW by Sat night). | Days 6-9 Weather Summary Light rain (total 6mm), mostly falling on Tue afternoon. Very mild (max 18°C on Thu morning, min 15°C on Tue afternoon). Winds increasing (light winds from the S on Mon night, fresh winds from the SSW by Wed night). | Long Range Forecast: Mostly dry. Very mild (max 18°C on Thu afternoon, min 15°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Cornwall (North)
The wind is still cross-on at Port Isaac (moderate winds from the W at Cardinham Automatic Weather Station 16 km from Port Isaac). A 2.8m swell from the W
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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