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Foz do Arelho

São Martinho do Porto / Foz do Arelho (Lagoa de Óbidos) · Rivermouth · faces west

Not great today. Best Monday 17:00–19:00.

Not so great right now

Dark now — see the daylight hours below.

Best left today
08:00–10:00
in 7 h
1.6 of 5Marginal
≈1.4 m · wind 12 kn
Size for you now≈1.6 min your range

Wind

Nsealand
3 kn
gusts 5
glassy
Light air, from the west
Building to 11 kn by 20:00
Best here: offshore, from the east

Tide

2.4 m
falling
  • Low05:531.4 m
  • High12:062.8 m
  • Low18:321.1 m

Official tide predictions (WorldTides).

Best tide: Low–mid
Next 03:00–05:00

Next 8 days

Tap a day for hour by hourPick a day

Best 08:00–10:00. At 08:00: Marginal, 1.6 out of 5 — about 1.4 m, wind 12 kn cross-shore. Tide 1.8 m.

Hour by hour, Today
TimeScoreSizeWindGustsTide
08:001.6 out of 51.4 m12 cross-shore201.8 m
09:001.4 out of 51.4 m12 cross-shore202.1 m
10:000.6 out of 51.5 m12 cross-shore192.4 m
11:000.4 out of 51.7 m11 cross-shore192.7 m
12:000.3 out of 51.9 m11 cross-shore192.8 m
13:000.3 out of 52.0 m12 cross-shore192.7 m
14:000.3 out of 52.0 m12 cross-shore212.5 m
15:000.7 out of 52.1 m13 cross-shore222.1 m
16:000.8 out of 52.1 m13 cross-shore221.7 m
17:000.6 out of 52.2 m12 cross-shore211.4 m
18:000.5 out of 52.1 m12 cross-shore201.2 m
19:000.5 out of 52.2 m11 cross-shore191.2 m
20:000.6 out of 52.2 m11 cross-shore191.3 m
Scoreout of 5 · 0 Not so great, 5 Fantastic

Hour by hour

Today

Best 08:00–10:00. At 08:00: Marginal, 1.6 out of 5 — about 1.4 m, wind 12 kn cross-shore. Tide 1.8 m.

Hour by hour, Today
TimeScoreSizeWindGustsTide
08:001.6 out of 51.4 m12 cross-shore201.8 m
09:001.4 out of 51.4 m12 cross-shore202.1 m
10:000.6 out of 51.5 m12 cross-shore192.4 m
11:000.4 out of 51.7 m11 cross-shore192.7 m
12:000.3 out of 51.9 m11 cross-shore192.8 m
13:000.3 out of 52.0 m12 cross-shore192.7 m
14:000.3 out of 52.0 m12 cross-shore212.5 m
15:000.7 out of 52.1 m13 cross-shore222.1 m
16:000.8 out of 52.1 m13 cross-shore221.7 m
17:000.6 out of 52.2 m12 cross-shore211.4 m
18:000.5 out of 52.1 m12 cross-shore201.2 m
19:000.5 out of 52.2 m11 cross-shore191.2 m
20:000.6 out of 52.2 m11 cross-shore191.3 m
Scoreout of 5 · 0 Not so great, 5 Fantastic

Water

16.1 °C
4/3 fullsuit (boots optional)
This week 15.5–16.1 °C
Air 16 °C · UV 0 Low · Sea Moderate

Beach cams

Foz do Arelho
Live on MEO Beachcam

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We’ll email you when Foz do Arelho looks good for Intermediate surfers, usually a day or two ahead.

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Spot guide

Best swell
WSW–NW
Best wind
E (offshore)
Best tide
Low–mid
First–last light
07:26–19:18

Ocean beach at the mouth of the Lagoa de Óbidos — exposed, sandbank-dependent peaks. The lagoon itself, just inland across the inlet, is sheltered from swell (wind can still chop it); boards and kites are banned in the lower lagoon during the bathing season. The surf numbers here describe the OCEAN beach, not the lagoon.

Hazards rivermouth/lagoon-outlet current · shifting sandbars

Shared forecast The offshore forecast here is shared with Belgas (Praia d'El Rey). Wave models resolve about 8 km, so neighbouring beaches read the same swell. What separates them is orientation, seabed and tide, not the forecast.

Nearby spots Belgas (Praia d'El Rey), Salir do Porto, Almagreira, São Martinho do Porto, Lagide

Swimming conditionsTide timesSea temperature

Guides How to Read a Surf Forecast for Portugal · Beach Facing & Surf Direction on Portugal's Coast · Tides and Surf Portugal: Best Tide for Surfing

Best time of year

Jan
68.2%
Feb
67%
Mar
53%
Apr
51.7%
May
48.4%
Jun
54.7%
Jul
61.7%
Aug
67.5%
Sep
57.7%
Oct
59.7%
Nov
55.9%
Dec
70%
Clean Blown out Too small

Local notes

Community observations — sandbanks, access, hazards, crowds. Every note is AI-reviewed before it appears.

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Scores and sizes are forecasts for Intermediate surfers, out of 5. Times are Lisbon time. Size is our estimate of the breaking wave at this beach, not the offshore swell.