World Resorts Jamaica Port Antonio Weather

Port Antonio sea water temperature

Current sea water temperature:
+82.0°F
Minimum sea water temperature in April: 83.3°F
Maximum sea water temperature in April: 80.1°F
Average sea water temperature in April: 81.4°F

Sea water temperature for the last 10 days:

April 28 82.0°F April 23 81.9°F
April 27 81.7°F April 22 81.9°F
April 26 81.7°F April 21 81.5°F
April 25 81.3°F April 20 81.7°F
April 24 81.1°F April 19 81.7°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:
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 10.1 mph

Port Antonio on a weather map

Port Antonio
+82°F
W 8 mph
Feels like: +88°F
Precip.: 100%
Places in Jamaica:
Name
°F
+82°F
+88°F
+82°F
+82°F
+82°F
+82°F
+82°F
24 Hours Forecast
Port Antonio
Local time: 13:14
April 28, tuesday
1500
82°F
W
7 mph
1800
81°F
SW
5 mph
2100
77°F
W
3 mph
April 29, wednesday
0000
77°F
SW
7 mph
0300
77°F
W
8 mph
0600
77°F
W
7 mph
0900
81°F
W
7 mph
1200
82°F
W
7 mph
Units of measurement: °C / °F