Surf Forecasts:
Foz do Arelho surf forecast from 5 Jul 2026:
- Most powerful swell: Sunday 12 Jul, 7PM (local time) - 5ft (1.5m), 9s period, NNW swell with 338 kJ wave energy.
Best Forecast Surf Conditions for Foz do Arelho this week:
The most powerful waves expected at Foz do Arelho in the next 16 days are 1.5m 9s and forecast to arrive on Sunday (Jul 12) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Sun 12th Jul) | 5ft (1.5m) 9s |
Table - best surf conditions forecast for Foz do Arelho over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty here. Let’s break it down for Foz do Arelho.
First ten days? Honestly, it’s a total bust. Small, weak, mess – nothing but cross-onshore slop and barely any energy. You’re looking at a long drought from now straight through to the 18th of July before anything worth paddling out for shows up. If you’re itching for a wave, don’t hold your breath early.
The first real glimmer comes Saturday, July 18th. The swell finally picks up, but it’s still rough. Morning brings a 7 ft swell from the NNW with a moderate cross-onshore breeze – combined energy is heavy at 1313, but the wind chops it up. By the afternoon, the wind swings offshore from the NW at 9 mph, cleaning it up nicely. Swell drops to 6 ft, but the period jumps to 11 seconds – proper groundswell with shape and punch. Energy stays strong at 1207. That afternoon session on the 18th is the best of the entire outlook, but it’s expert territory over 5 ft.
Sunday the 19th offers a similar deal: morning sees 8 ft from the NNW with light cross-onshore wind, still marginal. Afternoon brings 8 ft and offshore wind from the NW at 9 mph, but the period drops to 8 seconds, making it shorter and messier. Energy stays high at 857. Both days are only for experienced surfers, and given this spot is inconsistent, don’t count on a long session.
Water temp is about 65°F, average for this time of year. Crowds can show up sometimes, but with conditions this poor, it’ll likely be quiet.
Bottom line: unless you’re a skilled local ready to battle through a lot of average, the only real window is the afternoon of Saturday the 18th. Everything else? Leave the board at home and wait for a better stretch. Forecasts can change, but right now it’s a dry run.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Sun morning, min 16°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Wed morning, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 11 | NNW 10 | NW 10 | NW 9 | WNW 10 | WNW 9 | WNW 8 | WNW 8 | NNW 4 | NW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 30 | 40 | 23 | 20 | 31 | 16 | 14 | 7 | 12 | 25 | 38 | 64 | 59 | 55 | 54 | 55 | 71 | 65 | 105 | 153 | 179 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 7:03PM2.57m | 7:31AM2.30m | 7:47PM2.49m | 8:20AM2.27m | 8:39PM2.41m | 9:19AM2.25m | 9:42PM2.35m | 10:26AM2.28m | 10:54PM2.34m | 11:37AM2.37m | 00:09AM2.40m | 12:44PM2.53m | 1:17AM2.52m | ||||||||
Low Tide | 12:44PM0.58m | 1:20AM0.53m | 1:28PM0.65m | 2:06AM0.58m | 2:19PM0.72m | 3:00AM0.63m | 3:22PM0.77m | 4:03AM0.66m | 4:35PM0.76m | 5:14AM0.65m | 5:51PM0.66m | 6:23AM0.57m | 7:01PM0.49m | ||||||||
 |  |  | |  | | | | | | | | | | | | |  | | |  | |
 | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | — | 9:07 | — | — | 9:07 | — | — | 9:06 | — | — | 9:06 | — | — | 9:06 | — | — | 9:05 | — | — | 9:05 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 26 | 23 | 23 | 22 | 19 | 20 | 20 | 17 | 20 | 20 | 17 | 20 | 20 | 18 | 20 | 20 | 18 | 20 | 20 | 19 |
Feels °C | 26 | 23 | 22 | 23 | 21 | 19 | 19 | 19 | 16 | 19 | 19 | 16 | 19 | 18 | 18 | 19 | 19 | 17 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 4 | NNW 4 | WNW 10 | WNW 9 | WNW 8 | WNW 8 | W 8 | NW 10 | WNW 10 | WNW 10 | NNW 5 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 15 | 14 | 9 | 6 | 31 | 16 | 14 | 7 | 5 | 25 | 38 | 64 | 13 | 55 | 54 | 55 | 71 | 65 | 105 | 153 | 179 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NNW 10 | NW 10 | WNW 10 | NW 9 | NNW 8 | NNW 8 | NW 8 | WNW 11 | W 8 | W 7 | W 7 | WNW 9 | — | — | — | — | W 13 | N 6 | NNW 7 | NNW 8 |
| kJ | 30 | 40 | 23 | 18 | 19 | 7 | 6 | 2 | 11 | 4 | 4 | 1 | 59 | — | — | — | — | 3 | 38 | 66 | 85 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | NW 9 | — | — | — | NW 12 | NW 8 | NW 8 | — | — | — | — | — | — | — | — | WNW 12 | NW 11 | NW 10 |
| kJ | 29 | 16 | 16 | 20 | — | — | — | 6 | 2 | 2 | — | — | — | — | — | — | — | — | 14 | 43 | 63 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 4 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 4 | — | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | — | — | — |
| kJ | — | — | — | — | 4 | 4 | 6 | 6 | 12 | 19 | 20 | 18 | — | 15 | 14 | 20 | 33 | 32 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 17 | 17 | 87 | 432 | 124 | 971 | 392 | 181 | 252 | 349 | 20 | 17 | 349 | 17 | 620 | 495 | 172 | 143 | 255 | 85 |
Best forecast wave conditions in Peniche | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Foz do Arelho Surf forecast
The above surf forecast table for Foz do Arelho provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Foz do Arelho can be found by selecting the local surf guide option on the grey menu. Our Foz do Arelho 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 (Foz do Arelho) 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 Foz do Arelho 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.
Foz do Arelho is 9 km (6 miles) from Caldad da Rainha. If you plan a holiday in Peniche, look for hotels and other accommodation in Caldad da Rainha. Caldad da Rainha has rooms for a wide range of budgets as well as car hire and transport links.
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