Saint-Nazaire Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Saint-Nazaire today is +24°C. Over the next 30 days, the water temperature is expected to stay between +22°C and +24°C. The water is warm enough for swimming and beach time. For a shorter view, open the 14-day sea temperature forecast.
Daily air temperature for the month
Day +26°C
Night +15°C
Daily sea water temperature for the month
Water +24°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 20Mon |  +26°C |  +15°C | +24°C | 7 m/s, NE | 0 mm | 49% |
| 21Tue | +28°C | +15°C | +22°C | 6–7 m/s, NE | 0 mm | 51% |
| 22Wed | +29°C | +16°C | +23°C | 5 m/s, NE | 0 mm | 53% |
| 23Thu | +29°C | +17°C | +23°C | 4 m/s, NE | 0 mm | 54% |
| 24Fri |  +29°C |  +17°C | +23°C | 4 m/s, NE | 0 mm | 54% |
| 25Sat | +27°C | +17°C | +22°C | 7–8 m/s, NW | 0.3 mm | 69% |
| 26Sun |  +22°C | +17°C | +22°C | 8 m/s, W | 0.1 mm | 80% |
| 27Mon | +24°C | +14°C | +22°C | 5 m/s, WNW | 0.3 mm | 71% |
| 28Tue | +26°C | +14°C | +22°C | 4 m/s, NW | 0 mm | 68% |
| Further values are multi-year averaged climate | ||||||
| 29Wed | +24°C | +15°C | +22°C | 4 m/s | 0.1 mm | 72% |
| 30Thu | +26°C | +16°C | +22°C | 5 m/s | 0 mm | 68% |
| 31Fri | +24°C | +17°C | +22°C | 5 m/s | 0.2 mm | 76% |
| 1Sat | +24°C |  +16°C | +22°C | 4 m/s | 0.1 mm | 76% |
| 2Sun | +23°C | +15°C | +22°C | 5 m/s | 0.4 mm | 72% |
| 3Mon | +23°C | +15°C | +22°C | 5 m/s | 0.5 mm | 74% |
| 4Tue | +24°C | +15°C | +22°C | 4 m/s | 0.3 mm | 73% |
| 5Wed | +23°C | +15°C | +22°C | 5 m/s | 0.3 mm | 68% |
| 6Thu | +25°C | +14°C | +22°C | 5 m/s | 0.1 mm | 65% |
| 7Fri | +25°C | +15°C | +22°C | 5 m/s | 0.1 mm | 58% |
| 8Sat | +25°C | +15°C | +22°C | 4 m/s | 0 mm | 63% |
| 9Sun | +28°C | +16°C | +22°C | 4 m/s | 0.1 mm | 66% |
| 10Mon | +29°C | +16°C | +22°C | 4 m/s | 0 mm | 63% |
| 11Tue | +30°C | +18°C | +22°C | 4 m/s | 0.7 mm | 62% |
| 12Wed | +27°C | +18°C | +22°C | 4 m/s | 0 mm | 66% |
| 13Thu | +25°C | +17°C | +22°C | 4 m/s | 0.9 mm | 69% |
| 14Fri | +25°C | +16°C | +22°C | 3 m/s | 0.5 mm | 73% |
| 15Sat | +26°C | +16°C | +22°C | 4 m/s | 0.1 mm | 72% |
| 16Sun |  +26°C | +17°C | +22°C | 4 m/s | 1.4 mm | 71% |
| 17Mon | +24°C |  +16°C | +22°C | 4 m/s | 0.5 mm | 72% |
| 18Tue | +24°C | +16°C | +22°C | 4 m/s | 0.2 mm | 69% |
| 19Wed | +22°C | +16°C | +22°C | 4 m/s | 0.6 mm | 80% |
Sea water temperature by months
Water +20°C
Day and night air temperature
Day +24°C
Night +15°C
Weather minimums and maximums in Saint-Nazaire for a month
- Warmest day: 11 August, +30°C
- Coldest night: 6 August, +14°C
- Days with precipitation in a month: 21
- Precipitation for a month: 7.7 mm
- Rainiest day in a month: 16 August
- Maximum precipitation amount: 16 August 1.4 mm
- Highest sea water temperature: 20 July, +24°C
- Lowest sea water temperature: 21 July, +22°C