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Surf Forecasts:
Martinhal surfForecast / Algarve / Portugal
12 Day Weather and Surf, issued 6 am Thursday 18 Sep 2025 WEST
Best Forecast Surf Conditions for Martinhal this week:
The surf forecast for Martinhal over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 10PM. The primary swell is predicted to be 1.3m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Martinhal in the next 12 days are 1.2m 12s and forecast to arrive on Thursday (Sep 18) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Monday (Sep 22) at 10PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Thu 18th Sep) | 4.5ft (1.3m) 11s |
| Best Surf | 10PM (Thu 18th Sep) | 4.5ft (1.3m) 11s |
| Most Powerful | 1PM (Thu 18th Sep) | 4ft (1.2m) 12s |
Table - best surf conditions forecast for Martinhal over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 23°C on Thu morning, min 16°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NNW by Sat night). | Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sun morning, min 15°C on Sun night). Winds decreasing (strong winds from the NNW on Mon afternoon, light winds from the N by Tue night). | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 10 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 12 | 7 | 12 | 12 | 11 | 8 | 9 | 9 | 13 | 12 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 177 | 409 | 341 | 288 | 204 | 179 | 113 | 88 | 59 | 6 | 323 | 3 | 3 | 2 | 346 | 0 | 126 | 6 | 13 | 24 | 20 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | on | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- on | on | cross- off |
High Tide / height (m) | 1:05PM 2.59 | 1:37AM 2.46 | 1:49PM 2.76 | 2:14AM 2.60 | 2:26PM 2.88 | 2:48AM 2.71 | 2:59PM 2.94 | 3:19AM 2.77 | 3:31PM 2.94 | 3:49AM 2.79 | 4:01PM 2.87 | 4:17AM 2.76 | 4:31PM 2.76 | ||||||||
Low Tide / height (m) | 7:31PM 0.40 | 7:38AM 0.49 | 8:08PM 0.26 | 8:14AM 0.35 | 8:41PM 0.17 | 8:47AM 0.25 | 9:11PM 0.12 | 9:18AM 0.20 | 9:39PM 0.13 | 9:48AM 0.19 | 10:06PM 0.19 | 10:18AM 0.24 | 10:34PM 0.29 | ||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| Sunrise | 7:18 | - | - | 7:20 | - | - | 7:20 | - | - | 7:22 | - | - | 7:22 | - | - | 7:22 | - | - | 7:24 | - | - |
| Sunset | - | 7:38 | - | - | 7:37 | - | - | 7:36 | - | - | 7:35 | - | - | 7:32 | - | - | 7:31 | - | - | 7:30 | - |
 | |  |  | | | | |  | | | |  | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 22 | 23 | 23 | 23 | 22 | 21 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 21 | 21 |
| Feels °C (?) | 22 | 23 | 23 | 23 | 24 | 25 | 21 | 17 | 13 | 12 | 12 | 11 | 9 | 9 | 9 | 12 | 11 | 14 | 16 | 20 | 18 |
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Recent Eyeball Surf Reports for Algarve
The wind is still offshore at Martinhal (moderate winds from the NNW at Sagres (8533 -0) 2 km from Martinhal). 0.4m 14s groundswell from the WNW to make surfable waves.
2 h 17 min ago
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 Martinhal 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 Martinhal Surf forecast
The above surf forecast table for Martinhal provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Martinhal can be found by selecting the local surf guide option on the grey menu. Our Martinhal 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 (Martinhal) 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 Martinhal 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.
Martinhal is 24 km (15 miles) from Lagos. If you plan a holiday in The Algarve, look for hotels and other accommodation in Lagos. Lagos has rooms for a wide range of budgets as well as car hire and transport links.
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