Myrtle Beach Sea Water Temperature
A 60-mile Grand Strand of sandy shores with warm summer swimming and gentle surf. Today's reading, 7-day forecast, and monthly averages below.
Myrtle Beach water temperature
Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold.
7-Day Water Temperature Forecast
Myrtle Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Myrtle Beach occurs inJun, Jul, Aug, Sep — peaking at28.8°C (83.8°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 | 11.2°C | 13.1°C | 15°C | Very Cold (< 16°C) |
| February | 11.5°C | 13.4°C | 15.4°C | Very Cold (< 16°C) |
| March | 13.8°C | 15.8°C | 17.9°C | Very Cold (< 16°C) |
| April | 17.2°C | 19.3°C | 21.5°C | Cool / Refreshing (16°C – 20°C) |
| May | 21°C | 23.1°C | 25.2°C | Comfortable (20°C – 24°C) |
| June | 24.9°C | 26.8°C | 28.6°C | Warm & Ideal (24°C – 28°C) |
| July | 26.8°C | 28.5°C | 30.1°C | Tropical Warm (> 28°C) |
| August | 27.1°C | 28.8°C | 30.4°C | Tropical Warm (> 28°C) |
| SeptemberCurrent | 25.3°C | 27.1°C | 28.9°C | Warm & Ideal (24°C – 28°C) |
| October | 21.5°C | 23.4°C | 25.3°C | Comfortable (20°C – 24°C) |
| November | 17°C | 19.1°C | 21.2°C | Cool / Refreshing (16°C – 20°C) |
| December | 13.2°C | 15.3°C | 17.4°C | Very Cold (< 16°C) |
Swimming FAQs for Myrtle Beach
Is the sea warm enough to swim in Myrtle Beach today?
Typical sea surface temperature in Myrtle Beach this time of year is 27.1°C (80.8°F) — classified as Warm & Ideal (24°C – 28°C). Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold. Live readings load automatically.
What are the warmest months for swimming in Myrtle Beach?
The highest water temperatures in Myrtle Beach typically occur duringJun, Jul, Aug, Sep, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Myrtle Beach in September?
Historically in September, water temperatures in Myrtle Beach average around27.1°C (80.8°F), fluctuating between a recorded minimum of 25.3°C and a maximum of 28.9°C.