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Satellite view of Saint Helena Sound

Saint Helena Sound

Bay

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 85°F, within the comfortable 70–86°F range.

  • Water temperature is 85°F, within the comfortable 70–86°F range.
Good to swimGreat conditions today

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 85°F, within the comfortable 70–86°F range.

  • Water temperature is 85°F, within the comfortable 70–86°F range. NOAA buoy 41033, as of Aug 22, 12:08 PM UTC
Water temp
85°F
29°C

No official beach-advisory feed for South Carolina yet — follow posted signs and local guidance.

Live data from NOAA buoy 41033 (12.3 mi away), as of Aug 22, 12:08 PM UTC.

Weather at Saint Helena Sound

H: 93° L: 76°
Sunny
Sunny
80°
|
Feels like 83°
Precipitation
62%
Humidity
78%
Wind
12 mph
UV Index
1.5
Water Conditions:
🏊Perfect for swimming
12 AM
Patchy rain nearby
81°
3 AM
Patchy rain nearby
78°
6 AM
Clear
76°
9 AM
Sunny
80°
12 PM
Sunny
93°
3 PM
Sunny
92°
6 PM
Overcast
87°
9 PM
Light drizzle
80°

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Frequently asked questions

Where is Saint Helena Sound?
Saint Helena Sound is a bay in South Carolina.
What is the water temperature at Saint Helena Sound?
As of August 22, 2026, the water temperature at Saint Helena Sound in South Carolina is 85°F (29°C), measured by NOAA buoy 41033, 12.3 miles away.
Can you swim at Saint Helena Sound?
Comfortable for a swim today: water temperature is 85°F, within the comfortable 70–86°F range. Checked August 22, 2026.

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Best Times to Visit

Right Now
Perfect conditions right now!
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

South Carolina

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