Pass-a-Grille Water Temperature & Swim Forecast
Popular Florida Gulf beach near St Pete Beach.
Very warm water with a light chop and a light breeze — great swimming conditions.
Model estimate · modelled, not a buoy measurement. How accurate is this?
Location
Pass-a-Grille on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
No wetsuit
At 28.6°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Recommendation tuned for Pass-a-Grille's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Pass-a-Grille swimming conditions summary
- Water temperature
- 28.6°C
- Water feels
- Bath-warm
- Swimmable today
- Yes — comfortable for most swimmers
- Swim conditions score
- 87/100 · Excellent
- Wetsuit needed
- No wetsuit
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Average sea temperature (September)
- 29.0 °C
- Warmest months to swim
- June, July, August
At 28.6°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 Pass-a-Grille right now?
The sea at Pass-a-Grille is currently 28.6°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 Pass-a-Grille next week?
Based on long-term September averages and the latest marine model, expect the sea around Pass-a-Grille to sit close to 27.6°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 Pass-a-Grille?
June – July – August are typically the warmest months to swim at Pass-a-Grille, with sea temperatures at their seasonal peak.
Do I need a wetsuit at Pass-a-Grille?
With water currently at 28.6°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.
Can I swim at Pass-a-Grille today?
The sea is currently 28.6°C — excellent swimming conditions. Most swimmers will find it pleasant.
- • Located in Florida Gulf, United States (Gulf of Mexico).
- • 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.
Best time to swim in Pass-a-Grille
The sea in Pass-a-Grille peaks in July, when the water averages around 30°C.
The main swimming season runs from March – December, when surface temperatures stay comfortable for extended sessions.
On average, 10 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like February and January are noticeably cooler but often quieter, with fewer crowds and steadier weather.
The coldest month is typically January at around 19°C, when cold-water swimmers dominate the coast.
Pass-a-Grille sea temperature history
Long-term climatology for Pass-a-Grille shows an annual mean sea temperature of 25°C, ranging from 19°C in winter to 30°C at the summer peak.
The seasonal swing is roughly 11°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 Pass-a-Grille, 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.
Pass-a-Grille sea temperature: frequently asked questions
What is the warmest month to swim in Pass-a-Grille?
July is the warmest month in Pass-a-Grille, when the sea averages about 30°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Pass-a-Grille?
The coldest month in Pass-a-Grille is typically January, when the water averages around 19°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Pass-a-Grille without a wetsuit?
The main swimming season in Pass-a-Grille runs from March – December — about 10 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 Pass-a-Grille?
Outside peak summer the water in Pass-a-Grille drops toward 21°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 Pass-a-Grille?
The long-term annual mean sea temperature in Pass-a-Grille is about 25°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Pass-a-Grille?
The live reading at the top of this page shows the current sea temperature in Pass-a-Grille, 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: Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan | 19°C | Pleasant |
| Feb | 19°C | Pleasant |
| Mar | 21°C | Pleasant |
| Apr | 24°C | Warm |
| May | 27°C | Hot |
| Jun | 29°C | Hot |
| Jul ⭐ | 30°C | Hot |
| Aug | 30°C | Hot |
| Sep | 29°C | Hot |
| Oct | 27°C | Hot |
| Nov | 23°C | Warm |
| Dec | 20°C | Pleasant |
Nearby beaches
The closest coastline, with live water temperatures.