Where is Southport Harbor?

Southport Harbor is a bay in Connecticut.

What is the water temperature at Southport Harbor?

As of August 22, 2026, the water temperature at Southport Harbor in Connecticut is 75°F (24°C), measured by NOAA buoy BRHC3, 5.7 miles away.

Updated June 9, 2026

Southport Harbor

Bay

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 75°F, within the comfortable 70–86°F range.

Water temperature is 75°F, within the comfortable 70–86°F range.

See full conditions ↓Can I swim today? →

Good to swimGood conditions today

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 75°F, within the comfortable 70–86°F range.

Water temperature is 75°F, within the comfortable 70–86°F range. — NOAA buoy BRHC3, as of Aug 22, 6:00 AM UTC

Water temp

75°F

24°C

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

Live data from NOAA buoy BRHC3 (5.7 mi away), as of Aug 22, 6:00 AM UTC.

Live map near here →

Weather at Southport Harbor

H: 73° L: 66°

Overcast

68°

Feels like 70°

Precipitation

46%

Humidity

82%

Wind

4 mph

UV Index

Water Conditions:

🏊Cool but swimmable

12 AM

68°

3 AM

68°

6 AM

66°

9 AM

69°

12 PM

71°

3 PM

73°

6 PM

70°

9 PM

66°

Pack smarter for Southport Harbor

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

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Water ShoesA flexible default for slick docks, rough entries, and hot pavement.

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Quick-Dry TowelEasy to pack and useful after swims, spray, or surprise rain.

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Dry BagKeeps clothes and small essentials separated from wet gear.

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Frequently asked questions

Where is Southport Harbor?: Southport Harbor is a bay in Connecticut.
What is the water temperature at Southport Harbor?: As of August 22, 2026, the water temperature at Southport Harbor in Connecticut is 75°F (24°C), measured by NOAA buoy BRHC3, 5.7 miles away.
Can you swim at Southport Harbor?: Comfortable for a swim today: water temperature is 75°F, within the comfortable 70–86°F range. Checked August 22, 2026.

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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

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Location & Contact

Connecticut

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