Viana do Castelo, costa
Mainland Portugal · coordinates 41.6700, -8.8333
Sea-state forecast
Updated 2026-05-09 19:31 (Europe/Lisbon)Sat
9 May 2026
- Wave height
- 0.7–1.9 m
- Period
- 3.4–5.7 s
- Direction
- SW · South-west
- Total sea
- 1.0–2.0 m
- SST
- 15.9–16.0 °C
Sun
10 May 2026
- Wave height
- 1.2–2.1 m
- Period
- 5.2–5.9 s
- Direction
- SW · South-west
- Total sea
- 2.5–3.0 m
- SST
- 15.6–15.8 °C
Mon
11 May 2026
- Wave height
- 1.5–2.0 m
- Period
- 5.1–5.8 s
- Direction
- W · West
- Total sea
- 1.5–2.5 m
- SST
- 15.5–15.8 °C