Where is the water warmest today?
At sea, the warmest water measured today is at South Port Everglades, FL (United States): 32.0 °C, 18 min ago. In fresh water: Gunpowder (Australia), 33.4 °C, 37 h ago.
The sea: the warmest stations
| Station | Water | Measured |
|---|---|---|
| South Port Everglades, FL United States · NOAA CO-OPS | 32.0 °C | 18 min ago |
| Punto de recaudación de data 2 (Mexico) Mexico · Bouées de récifs (Aqualink) | 31.6 °C | 2 h ago |
| Lameshur Bay, St John, VI United States Virgin Islands · NOAA CO-OPS | 31.4 °C | 18 min ago |
| Culebra, PR Puerto Rico · NOAA CO-OPS | 31.3 °C | 18 min ago |
| Marégraphe 63230 Australia · NOAA OSMC (réseau GTS), Asie et Océanie | 31.1 °C | 1 h ago |
| Limetree Bay, VI United States Virgin Islands · NOAA CO-OPS | 30.7 °C | 24 min ago |
| San Juan, La Puntilla, San Juan Bay, PR Puerto Rico · NOAA CO-OPS | 30.6 °C | 24 min ago |
| Bouée ancrée 23454 India · NOAA OSMC (réseau GTS), Asie et Océanie | 30.4 °C | 3 h ago |
| 9751364 - Christiansted Harbor, St. Croix, VI United States Virgin Islands · NOAA NDBC | 30.2 °C | 1 h ago |
| Christiansted Harbor, St Croix, VI United States Virgin Islands · NOAA CO-OPS | 30.2 °C | 18 min ago |
| Bouée ancrée 23095 India · NOAA OSMC (réseau GTS), Asie et Océanie | 30.2 °C | 3 h ago |
| Bouée ancrée 23492 India · NOAA OSMC (réseau GTS), Asie et Océanie | 30.2 °C | 3 h ago |
Lakes and rivers: the warmest stations
| Station | Water | Measured |
|---|---|---|
| Gunpowder Australia · Australie, eau douce | 33.4 °C | 37 h ago |
| Julia_Ck Australia · Australie, eau douce | 33.2 °C | 37 h ago |
| Hot C A Flume Nr Mammoth Lakes Ca United States · USGS, eaux des États-Unis | 33.0 °C | 1 h ago |
| Big Warm Spgs Nr Duckwater, NV United States · USGS, eaux des États-Unis | 32.6 °C | 1 h ago |
| Ouiska Chitto Creek Near Oberlin, LA United States · USGS, eaux des États-Unis | 31.9 °C | 1 h ago |
| Briarie_Ck Wooler01a Australia · Australie, eau douce | 31.4 °C | 37 h ago |
| Porter Bayou At Stephensville, MS United States · USGS, eaux des États-Unis | 31.3 °C | 1 h ago |
| Jardine_R Monument Australia · Australie, eau douce | 30.8 °C | 37 h ago |
Countries with the warmest sea
- Puerto Rico sea 30.0 °C · 7 stations
- India sea 29.9 °C · 10 stations
- American Samoa sea 27.0 °C · 7 stations
- Taiwan sea 25.9 °C · 41 stations
- People's Republic of China sea 24.0 °C · 5 stations
- Australia sea 23.1 °C · 35 stations
- South Korea sea 21.0 °C · 53 stations
- Croatia sea 19.7 °C · 17 stations
- United States sea 19.4 °C · 652 stations
- France sea 18.5 °C · 18 stations
Where to swim in October
These are usually the warmest seas in October (average of 2011 to 2025, satellite estimate):
- Federated States of Micronesia 29.9 °C
- Marshall Islands 29.7 °C
- Palau 29.5 °C
- Puerto Rico 29.3 °C
- India 29.3 °C
- United States Virgin Islands 29.2 °C
- American Samoa 28.4 °C
- Mexico 27.8 °C
Frequently asked questions
Where is the water warmest today?
At sea, the warmest water measured today is at South Port Everglades, FL (United States): 32.0 °C, 18 min ago. In fresh water: Gunpowder (Australia), 33.4 °C, 37 h ago.
Which country has the warmest sea right now?
Puerto Rico: 30.0 °C on average over 7 stations at sea, from the measurements of the last hours.
Are these temperatures measured?
Yes. Every value is a real measurement from an instrument (buoy, pier, river or lake station), with its time. Doubtful measurements and those more than 48 hours old are left out. Satellite and model estimates are not included here.