World Resorts Jamaica Port Antonio Weather

Port Antonio sea water temperature

Current sea water temperature:
+83.7°F
Minimum sea water temperature in June: 85.6°F
Maximum sea water temperature in June: 81.5°F
Average sea water temperature in June: 83.2°F

Sea water temperature for the last 10 days:

June 7 83.7°F June 1 82.4°F
June 6 83.5°F May 31 82.4°F
June 5 83.3°F May 30 82.4°F
June 4 83.3°F May 29 82.6°F
June 3 83.7°F May 28 82.6°F

When is the warmest sea in Port Antonio?

Based on the data about daily sea water temperature for the last three years the warmest sea in Port Antonio was noticed in September, October and August.

Monthly Sea Temperatures in Port Antonio, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.8°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 86.3°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.1°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 86.4°F and 85.1°F.

Best time for vacation in Port Antonio

Sunniest months:
July 11 days
September 10 days
April 9 days
Warmest months:
August 86.2 °F
September 86.1 °F
July 86.1 °F
Warmest sea temp:
September 85.7 °F
October 85.4 °F
August 85.1 °F
Coldest months:
February 80.2 °F
January 80.2 °F
March 80.7 °F
Rainiest months:
October 8 days
August 7 days
November 6 days
Windiest months:
June 11.5 mph
July 10.4 mph
May 10.2 mph

Port Antonio on a weather map

Port Antonio
+79°F
NW 12 mph
Feels like: +84°F
Precip.: 73%
Places in Jamaica:
Name
°F
+81°F
+72°F
+79°F
+79°F
+77°F
+79°F
+77°F
24 Hours Forecast
Port Antonio
Local time: 00:32
June 08, monday
0300
79°F
NW
12 mph
0600
79°F
NW
11 mph
0900
81°F
NW
14 mph
1200
79°F
NW
18 mph
1500
77°F
NW
17 mph
1800
77°F
NW
15 mph
2100
77°F
NW
20 mph
June 09, tuesday
0000
77°F
NW
12 mph
Units of measurement: °C / °F