Half Moon Bay Beach Sea Water Temperature
A tropical beach on the Caribbean Sea, warmest around September at about 29.1°C. Today's reading, 7-day forecast, and monthly averages below.
Half Moon Bay Beach water temperature
Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling.
7-Day Water Temperature Forecast
Half Moon Bay Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Half Moon Bay Beach occurs inJanuary, February, March, April, May, June, July, August, September, October, November, December — peaking at29.1°C (84.4°F) in September.
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 | 25.4°C | 26.6°C | 27.6°C | Warm & Ideal (24°C – 28°C) |
| February | 25.7°C | 26.4°C | 27.2°C | Warm & Ideal (24°C – 28°C) |
| March | 25.1°C | 26.3°C | 27.4°C | Warm & Ideal (24°C – 28°C) |
| April | 25.9°C | 26.8°C | 28°C | Warm & Ideal (24°C – 28°C) |
| May | 26.1°C | 27.5°C | 28.8°C | Warm & Ideal (24°C – 28°C) |
| June | 26.8°C | 27.9°C | 29.4°C | Warm & Ideal (24°C – 28°C) |
| July | 27.6°C | 28.3°C | 29.4°C | Tropical Warm (> 28°C) |
| August | 28°C | 28.6°C | 29.6°C | Tropical Warm (> 28°C) |
| SeptemberCurrent | 28.5°C | 29.1°C | 30°C | Tropical Warm (> 28°C) |
| October | 28°C | 29°C | 30.5°C | Tropical Warm (> 28°C) |
| November | 27.7°C | 28.5°C | 29.9°C | Tropical Warm (> 28°C) |
| December | 26.6°C | 27.5°C | 29.1°C | Warm & Ideal (24°C – 28°C) |
Swimming FAQs for Half Moon Bay Beach
Is the sea warm enough to swim in Half Moon Bay Beach today?
Typical sea surface temperature in Half Moon Bay Beach this time of year is 29.1°C (84.4°F) — classified as Tropical Warm (> 28°C). Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling. Live readings load automatically.
What are the warmest months for swimming in Half Moon Bay Beach?
The highest water temperatures in Half Moon Bay Beach typically occur duringJanuary, February, March, April, May, June, July, August, September, October, November, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Half Moon Bay Beach in September?
Historically in September, water temperatures in Half Moon Bay Beach average around29.1°C (84.4°F), fluctuating between a recorded minimum of 28.5°C and a maximum of 30°C.