San Blas Islands Water Temperature
Updated Sat 13:14 (America/Panama)
Panama · Forecast updated Sep 26, 2026, 13:14 UTC
Current Sea Temperature
30.1°C
86.2°F
Very warm water
Valid Sep 26, 2026, 13:14 (America/Panama). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
Close to average
The typical September average is 30.3°C (86.5°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 30.1°C, versus 29.9°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for San Blas Islands, typical monthly averages range from about 27.9°C (82.2°F) in February to 30.3°C (86.5°F) in September.
Over the past 30 days, the average sea temperature in San Blas Islands has been 30.0°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near San Blas Islands, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 28.1–29.1°C | 28.6°C / 83.5°F |
| February | 27.3–28.6°C | 27.9°C / 82.2°F |
| March | 27.8–28.9°C | 28.5°C / 83.3°F |
| April | 28.2–29.4°C | 28.9°C / 84.0°F |
| May | 29.6–30.4°C | 29.9°C / 85.8°F |
| June | 29.6–30.4°C | 30.1°C / 86.2°F |
| July | 29.6–30.2°C | 29.8°C / 85.6°F |
| August | 29.6–30.2°C | 29.9°C / 85.8°F |
| September | 30.0–30.5°C | 30.3°C / 86.5°F |
| October | 29.8–30.6°C | 30.2°C / 86.4°F |
| November | 29.4–30.1°C | 29.6°C / 85.3°F |
| December | 28.6–29.4°C | 29.1°C / 84.4°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (9.54, -78.79). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
San Blas Islands in January
Typical January water temperature near San Blas Islands is 28.6°C (83.5°F), with yearly monthly means from 28.1–29.1°C.
San Blas Islands in February
Typical February water temperature near San Blas Islands is 27.9°C (82.2°F), with yearly monthly means from 27.3–28.6°C.
San Blas Islands in March
Typical March water temperature near San Blas Islands is 28.5°C (83.3°F), with yearly monthly means from 27.8–28.9°C.
San Blas Islands in April
Typical April water temperature near San Blas Islands is 28.9°C (84.0°F), with yearly monthly means from 28.2–29.4°C.
San Blas Islands in May
Typical May water temperature near San Blas Islands is 29.9°C (85.8°F), with yearly monthly means from 29.6–30.4°C.
San Blas Islands in June
Typical June water temperature near San Blas Islands is 30.1°C (86.2°F), with yearly monthly means from 29.6–30.4°C.
San Blas Islands in July
Typical July water temperature near San Blas Islands is 29.8°C (85.6°F), with yearly monthly means from 29.6–30.2°C.
San Blas Islands in August
Typical August water temperature near San Blas Islands is 29.9°C (85.8°F), with yearly monthly means from 29.6–30.2°C.
San Blas Islands in September
Typical September water temperature near San Blas Islands is 30.3°C (86.5°F), with yearly monthly means from 30.0–30.5°C.
San Blas Islands in October
Typical October water temperature near San Blas Islands is 30.2°C (86.4°F), with yearly monthly means from 29.8–30.6°C.
San Blas Islands in November
Typical November water temperature near San Blas Islands is 29.6°C (85.3°F), with yearly monthly means from 29.4–30.1°C.
San Blas Islands in December
Typical December water temperature near San Blas Islands is 29.1°C (84.4°F), with yearly monthly means from 28.6–29.4°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 29.3°C / 84.7°F | 29.9°C / 85.8°F | 30.6°C / 87.1°F |
| July | 29.3°C / 84.7°F | 29.8°C / 85.6°F | 30.4°C / 86.7°F |
| August | 29.4°C / 84.9°F | 30.0°C / 86.0°F | 30.8°C / 87.4°F |
| September | 29.4°C / 84.9°F | 30.1°C / 86.1°F | 30.7°C / 87.3°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2830 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at San Blas Islands
Guna Yala palm islets with shallow reefs and shipwrecks in clear water.
- Area
- Guna Yala
San Blas Islands Water Temperature: Common Questions
What is the water temperature in San Blas Islands today?
The current sea surface temperature near San Blas Islands is 30.1°C (86.2°F). Over the last 30 days, the average has been 30.0°C.
When is the water warmest in San Blas Islands?
The water is typically warmest in September, at around 30.3°C (86.5°F) in the 2023–2025 historical baseline.
When is the water coldest in San Blas Islands?
The water is typically coldest in February, at around 27.9°C (82.2°F) in the same historical baseline.
Can you swim in San Blas Islands today?
At 30.1°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for San Blas Islands.
View Snorkel Forecast →