← Sea temperature
Viana do Castelo
16.2°CNowWear now4/3 fullsuit (boots optional)
air17°CPeak UV1 Low
8-day trend
Water temperature by day
| Day | low | high |
|---|---|---|
| Wed 11 | 16.2° | 16.2° |
| Thu 12 | 16.2° | 16.4° |
| Fri 13 | 16.4° | 16.6° |
| Sat 14 | 16.3° | 16.6° |
| Sun 15 | 16.5° | 16.6° |
| Mon 16 | 16.4° | 16.5° |
| Tue 17 | 16.4° | 16.5° |
| Wed 18 | 16.5° | 16.7° |
How this is calculated
Modelled sea surface temperature (Open-Meteo), not a buoy reading.
Guides Snorkeling Conditions in Portugal: How to Read Them · Portugal Surf Seasons: What to Expect All Year · Tides and Surf Portugal: Best Tide for Surfing