The Tanzania resorts with the warmest sea water temperature at this moment are Tanganyika, Mafia Island and Tanga.
Below you can see a list of all popular Tanzania resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
September 2025 | October 2025 |
|---|---|---|---|
| Tanganyika | 84.2°F | 82.5°F | 83.9°F |
| Mafia Island | 83.8°F | 82.6°F | 83.7°F |
| Tanga | 83.8°F | 83.2°F | 84.7°F |
| Zanzibar | 83.4°F | 82.8°F | 83.7°F |
| Pemba | 83.0°F | 82.0°F | 83.0°F |
| Nungwi | 83.0°F | 82.1°F | 83.2°F |
| Dar es Salaam | 82.6°F | 82.5°F | 83.4°F |
| Lake Manyara | 71.6°F | 72.6°F | 75.4°F |
| Ngorongoro | 71.6°F | 72.4°F | 75.3°F |
Please see following sea water temperature averages charts for the warmest Tanzania resorts for more details.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Tanzania Resorts:
NAME
F°
| Arusha |  |
+60 |
| Dar es Salaam |  |
+78 |
| Dodoma | |
+68 |
| Kilimanjaro | |
+60 |
| Lake Manyara | |
+72 |
| Mafia Island | |
+76 |
| Ngorongoro | |
+58 |
| Nungwi | |
+76 |
| Pemba | |
+76 |
| Selous |  |
+82 |
| Serengeti | |
+78 |
| Tanga | |
+72 |
| Tanganyika | |
+80 |
| Tarangire | |
+72 |
| Zanzibar | |
+76 |
