World Resorts Jamaica Port Antonio Weather

Port Antonio sea water temperature

Current sea water temperature:
+83.3°F
Minimum sea water temperature in December: 84.9°F
Maximum sea water temperature in December: 81.1°F
Average sea water temperature in December: 82.6°F

Sea water temperature for the last 10 days:

December 4 83.3°F November 29 83.5°F
December 3 83.3°F November 28 83.7°F
December 2 83.3°F November 27 83.8°F
December 1 83.5°F November 26 84.0°F
November 30 83.5°F November 25 83.8°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
May 10 days
September 10 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:
January 80.3 °F
February 80.4 °F
March 80.8 °F
Rainiest months:
October 8 days
August 7 days
November 6 days
Windiest months:
June 11.5 mph
July 10.4 mph
May 10.1 mph

Port Antonio on a weather map

Port Antonio
+81°F
W 5 mph
Feels like: +86°F
Precip.: 0%
Places in Jamaica:
Name
°F
+79°F
+79°F
+79°F
+79°F
+77°F
+81°F
+79°F
24 Hours Forecast
Port Antonio
Local time: 21:59
December 05, friday
0000
79°F
W
5 mph
0300
79°F
W
4 mph
0600
79°F
W
7 mph
0900
81°F
W
7 mph
1200
81°F
W
7 mph
1500
81°F
W
7 mph
1800
81°F
W
4 mph
2100
79°F
W
5 mph
Units of measurement: °C / °F