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Terceira - Porto Martins surfForecast / Azores / Portugal
12 Day Weather and Surf, issued 11 pm Wednesday 17 Sep 2025 +00
Best Forecast Surf Conditions for Terceira - Porto Martins this week:
The surf forecast for Terceira - Porto Martins over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 12PM. The primary swell is predicted to be 0.8m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Terceira - Porto Martins in the next 12 days are 3.0m 10s and forecast to arrive on Wednesday (Sep 24) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Thursday (Sep 18) at 9AM.
| Wave Type | Time (+00) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Thu 18th Sep) | 2.5ft (0.8m) 10s |
| Best Surf | 9PM (Wed 24th Sep) | 7.5ft (2.3m) 9s |
| Most Powerful | 3AM (Wed 24th Sep) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Terceira - Porto Martins over the next 12 days.
Short Range Forecast Moderate rain (total 10mm), heaviest on Thu afternoon. Warm (max 23°C on Wed night, min 19°C on Thu afternoon). Winds decreasing (fresh winds from the SSW on Wed night, light winds from the WSW by Thu morning). | Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Mon morning. Warm (max 21°C on Mon morning, min 18°C on Sat night). Winds increasing (light winds from the ENE on Sat night, fresh winds from the SSW by Mon afternoon). | |||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | ||||||||||||||||
| 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) (?) | 12 | 10 | 10 | 10 | 9 | 8 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 10 | 10 | 9 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 66 | 106 | 127 | 184 | 282 | 239 | 225 | 827 | 722 | 661 | 607 | 593 | 551 | 444 | 469 | 703 | 953 | 509 | 1639 | 1507 | 683 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | |
High Tide / height (m) | 12:02AM 1.17 | 12:22PM 1.34 | 12:47AM 1.25 | 1:03PM 1.42 | 1:25AM 1.32 | 1:39PM 1.47 | 1:58AM 1.37 | 2:12PM 1.49 | 2:30AM 1.40 | 2:43PM 1.49 | 3:01AM 1.41 | 3:13PM 1.45 | 3:31AM 1.39 | 3:43PM 1.39 | ||||||||
Low Tide / height (m) | 6:09AM 0.29 | 6:46PM 0.21 | 6:53AM 0.21 | 7:24PM 0.14 | 7:29AM 0.15 | 7:57PM 0.09 | 8:02AM 0.11 | 8:27PM 0.07 | 8:33AM 0.10 | 8:55PM 0.07 | 9:03AM 0.11 | 9:22PM 0.10 | 9:33AM 0.15 | |||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | ||||||||||||||||
| Sunrise | - | 7:31 | - | - | 7:31 | - | - | 7:33 | - | - | 7:33 | - | - | 7:35 | - | - | 7:35 | - | - | 7:37 | - | |
| Sunset | - | - | 7:52 | - | - | 7:51 | - | - | 7:49 | - | - | 7:46 | - | - | 7:45 | - | - | 7:44 | - | - | 7:43 | |
 |  |  |  |  | |  |  | | | | | |  | | | | |  |  | | ||
Rain (mm) | - | 3 | 6 | 1 | - | - | - | - | - | - | - | - | - | 2 | 3 | - | - | - | 2 | 1 | - | |
| Temp. °C | 23 | 22 | 20 | 20 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 20 | 20 | 21 | 20 | 21 | 19 | 19 | 18 | 18 | 19 | |
| Feels °C (?) | 21 | 24 | 21 | 17 | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 18 | 17 | 18 | 16 | 19 | 13 | 12 | 13 | 14 | 17 | |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Azores
Continuing clean conditions at Terceira - Porto Martins (light winds from the WNW.(Wind varies from 280 to 340 degs) at Lajes Air Base Airport 8 km from Terceira - Porto Martins). 0.8m 10s swell from the NW to make surfable waves.
1 h 39 min ago
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Information about the Terceira - Porto Martins Surf forecast
The above surf forecast table for Terceira - Porto Martins provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Terceira - Porto Martins can be found by selecting the local surf guide option on the grey menu. Our Terceira - Porto Martins 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 (Terceira - Porto Martins) 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 Terceira - Porto Martins 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 The Azores? If you are looking for accommodation near Terceira - Porto Martins, camping, hotels and holiday cottages in The Azores, consider staying in Angra do Heroísmo which is 16 km (10 miles) away.
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