United States
South Carolina · Atlantic Ocean

Hunting Island Water Temperature & Swim Forecast

State-park beach south of Beaufort.

Warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
26.9°Chot
Excellent
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Hunting Island on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

No wetsuit

At 26.9°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports
Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.
Open-water swimming
Open-water swims of 60+ minutes feel comfortable with no neoprene.

Recommendation tuned for Hunting Island's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Hunting Island swimming conditions summary

Water temperature
26.9°C
Water feels
Warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
87/100 · Excellent
Wetsuit needed
No wetsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
27.0 °C
Warmest months to swim
June, July, August

At 26.9°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Hunting Island right now?

The sea at Hunting Island is currently 26.9°C — excellent swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Hunting Island next week?

Based on long-term September averages and the latest marine model, expect the sea around Hunting Island to sit close to 24.1°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Hunting Island?

June – July – August are typically the warmest months to swim at Hunting Island, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Hunting Island?

With water currently at 26.9°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Hunting Island today?

The sea is currently 26.9°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in South Carolina, United States (Atlantic Ocean).
  • • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

14°C → 29°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Hunting Island

The sea in Hunting Island peaks in July, when the water averages around 29°C.

The main swimming season runs from May – October, when surface temperatures stay comfortable for extended sessions.

On average, 6 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Shoulder months like April and November are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 18°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically January at around 14°C, when cold-water swimmers dominate the coast.

Hunting Island sea temperature history

Long-term climatology for Hunting Island shows an annual mean sea temperature of 21°C, ranging from 14°C in winter to 29°C at the summer peak.

The seasonal swing is roughly 15°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Hunting Island, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
14°C
Feb
14°C
Mar
16°C
Apr
19°C
May
23°C
Jun
27°C
Jul
29°C
Aug
29°C
Sep
27°C
Oct
23°C
Nov
19°C
Dec
16°C

Hunting Island sea temperature: frequently asked questions

What is the warmest month to swim in Hunting Island?

July is the warmest month in Hunting Island, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Hunting Island?

The coldest month in Hunting Island is typically January, when the water averages around 14°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Hunting Island without a wetsuit?

The main swimming season in Hunting Island runs from May – October — about 6 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Hunting Island?

Outside peak summer the water in Hunting Island drops toward 18°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Hunting Island?

The long-term annual mean sea temperature in Hunting Island is about 21°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Hunting Island?

The live reading at the top of this page shows the current sea temperature in Hunting Island, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: May – Jun – Jul – Aug – Sep – Oct

MonthSeaComfort
Jan14°CBracing
Feb14°CBracing
Mar16°CBracing
Apr19°CPleasant
May23°CWarm
Jun27°CHot
Jul ⭐29°CHot
Aug29°CHot
Sep27°CHot
Oct23°CWarm
Nov19°CPleasant
Dec16°CBracing

Nearby beaches

The closest coastline, with live water temperatures.