United States
Florida Atlantic · Atlantic Ocean

Blowing Rocks Preserve Water Temperature & Swim Forecast

Limestone-plume Martin-County beach.

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

Sea temperature now
29.1°Ctropical
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

Blowing Rocks Preserve 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 29.1°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 Blowing Rocks Preserve's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Blowing Rocks Preserve swimming conditions summary

Water temperature
29.1°C
Water feels
Bath-warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
86/100 · 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)
29.0 °C
Warmest months to swim
July, August, September

At 29.1°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 Blowing Rocks Preserve right now?

The sea at Blowing Rocks Preserve is currently 29.1°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 Blowing Rocks Preserve next week?

Based on long-term September averages and the latest marine model, expect the sea around Blowing Rocks Preserve to sit close to 28.3°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 Blowing Rocks Preserve?

July – August – September are typically the warmest months to swim at Blowing Rocks Preserve, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Blowing Rocks Preserve?

With water currently at 29.1°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 Blowing Rocks Preserve today?

The sea is currently 29.1°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Florida Atlantic, United States (Atlantic Ocean).
  • • Best suited to confident swimmers and watersports.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

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

Best time to swim in Blowing Rocks Preserve

The sea in Blowing Rocks Preserve peaks in July, when the water averages around 29°C.

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

On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

The coldest month is typically January at around 22°C, when cold-water swimmers dominate the coast.

Blowing Rocks Preserve sea temperature history

Long-term climatology for Blowing Rocks Preserve shows an annual mean sea temperature of 26°C, ranging from 22°C in winter to 29°C at the summer peak.

The seasonal swing is roughly 7°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 Blowing Rocks Preserve, 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
22°C
Feb
22°C
Mar
23°C
Apr
25°C
May
27°C
Jun
28°C
Jul
29°C
Aug
29°C
Sep
29°C
Oct
28°C
Nov
25°C
Dec
23°C

Blowing Rocks Preserve sea temperature: frequently asked questions

What is the warmest month to swim in Blowing Rocks Preserve?

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

When is the sea coldest in Blowing Rocks Preserve?

The coldest month in Blowing Rocks Preserve is typically January, when the water averages around 22°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Blowing Rocks Preserve without a wetsuit?

The main swimming season in Blowing Rocks Preserve runs from January – December — about 12 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 Blowing Rocks Preserve?

Blowing Rocks Preserve stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in Blowing Rocks Preserve?

The long-term annual mean sea temperature in Blowing Rocks Preserve is about 26°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Blowing Rocks Preserve?

The live reading at the top of this page shows the current sea temperature in Blowing Rocks Preserve, 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: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

MonthSeaComfort
Jan22°CWarm
Feb22°CWarm
Mar23°CWarm
Apr25°CWarm
May27°CHot
Jun28°CHot
Jul ⭐29°CHot
Aug29°CHot
Sep29°CHot
Oct28°CHot
Nov25°CWarm
Dec23°CWarm

Nearby beaches

The closest coastline, with live water temperatures.