Samish Beach Sea Water Temperature
A cool beach on the Coastal Waters, warmest around August at about 11.7°C. Today's reading, 7-day forecast, and monthly averages below.
Samish Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Samish Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Samish Beach occurs inJune, July, August, September — peaking at11.7°C (53.1°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 7.2°C | 8°C | 9.1°C | Very Cold (< 16°C) |
| February | 7°C | 8°C | 9.5°C | Very Cold (< 16°C) |
| March | 7.3°C | 8.1°C | 9.2°C | Very Cold (< 16°C) |
| April | 7.6°C | 8.8°C | 9.9°C | Very Cold (< 16°C) |
| May | 8.4°C | 9.8°C | 11°C | Very Cold (< 16°C) |
| June | 9.5°C | 10.7°C | 12.9°C | Very Cold (< 16°C) |
| July | 10.4°C | 11.3°C | 12.6°C | Very Cold (< 16°C) |
| August | 10°C | 11.7°C | 15.3°C | Very Cold (< 16°C) |
| SeptemberCurrent | 9.8°C | 11.4°C | 13.4°C | Very Cold (< 16°C) |
| October | 9.1°C | 10.1°C | 10.9°C | Very Cold (< 16°C) |
| November | 8.7°C | 9.3°C | 10.4°C | Very Cold (< 16°C) |
| December | 7.8°C | 8.6°C | 10.2°C | Very Cold (< 16°C) |
Swimming FAQs for Samish Beach
Is the sea warm enough to swim in Samish Beach today?
Typical sea surface temperature in Samish Beach this time of year is 11.4°C (52.5°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Samish Beach?
The highest water temperatures in Samish Beach typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Samish Beach in September?
Historically in September, water temperatures in Samish Beach average around11.4°C (52.5°F), fluctuating between a recorded minimum of 9.8°C and a maximum of 13.4°C.