World Resorts Tanzania Mafia Island Weather

Mafia Island sea water temperature

Current sea water temperature:
+79.9°F
Minimum sea water temperature in September: 81.1°F
Maximum sea water temperature in September: 76.8°F
Average sea water temperature in September: 79.3°F

Sea water temperature for the last 10 days:

September 15 79.9°F September 10 80.2°F
September 14 80.1°F September 9 80.4°F
September 13 80.2°F September 8 80.4°F
September 12 80.1°F September 7 79.9°F
September 11 80.4°F September 6 79.7°F

When is the warmest sea in Mafia Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Mafia Island was noticed in March, April and December.

Monthly Sea Temperatures in Mafia Island, °F

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.3°F.

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 84.7°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.7°F.

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.5°F.

Best time for vacation in Mafia Island

Sunniest months:
June 13 days
July 13 days
December 12 days
Warmest months:
March 89.1 °F
December 89.0 °F
February 88.9 °F
Warmest sea temp:
March 85.0 °F
April 84.5 °F
December 84.2 °F
Coldest months:
July 83.0 °F
August 83.4 °F
June 83.6 °F
Rainiest months:
April 16 days
March 11 days
May 11 days
Windiest months:
July 9.5 mph
June 9.0 mph
August 8.8 mph

Mafia Island on a weather map

Mafia Island
+82°F
W 12 mph
Feels like: +86°F
Precip.: 24%
Places in Tanzania:
Name
°F
+68°F
+84°F
+81°F
+82°F
+64°F
+82°F
+82°F
+82°F
+70°F
+81°F
+86°F
+91°F
+84°F
+81°F
+82°F
24 Hours Forecast
Mafia Island
Local time: 11:19
September 15, tuesday
1200
82°F
W
12 mph
1500
82°F
W
12 mph
1800
77°F
W
13 mph
2100
75°F
W
12 mph
September 16, wednesday
0000
75°F
W
11 mph
0300
75°F
NW
10 mph
0600
72°F
NW
6 mph
0900
77°F
NW
11 mph
Units of measurement: °C / °F