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Viana do Castelo, costa

Mainland Portugal · coordinates 41.6700, -8.8333 map

Sea-state forecast

Updated 2026-07-28 05:31
Tue
28 Jul 2026
Wave height
0.8–1.0 m
Period
4.4–6.8 s
Direction
NW · North-west
Total sea
1.0–1.0 m
SST
18.8–19.2 °C
Wed
29 Jul 2026
Wave height
0.5–0.7 m
Period
3.6–4.2 s
Direction
NW · North-west
Total sea
0.5–1.0 m
SST
18.9–19.3 °C
Thu
30 Jul 2026
Wave height
0.4–0.6 m
Period
2.8–4.0 s
Direction
NW · North-west
Total sea
0.5–0.5 m
SST
18.9–19.2 °C
Tide

High and low tides · next 3 days

Tuesday, 28 July

  • High tide 03:00 3.17 m
  • Low tide 09:00 0.77 m
  • High tide 15:10 3.42 m
  • Low tide 21:30 0.60 m

Wednesday, 29 July

  • High tide 03:40 3.25 m
  • Low tide 09:40 0.69 m
  • High tide 15:50 3.50 m
  • Low tide 22:10 0.54 m

Thursday, 30 July

  • High tide 04:20 3.29 m
  • Low tide 10:20 0.65 m
  • High tide 16:30 3.53 m
  • Low tide 22:50 0.53 m

Approximate tide (4-constituent harmonic model), referenced to chart datum (zero hidrográfico). Not a substitute for an official tide tables source.