Sea weather in Port Antonio in Jamaica All the beach weather in Port Antonio

All the essential weather information for enjoying the beach in Port Antonio in Jamaica, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Port Antonio over the next 7 days?

Discover the best moment to go to the beach in Port Antonio in Jamaica this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Port Antonio. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 19 July 202676°F to 83°Frecommended
Monday 20 July 202676°F to 85°Fdiscouraged
Tuesday 21 July 202679°F to 83°Frecommended
Wednesday 22 July 202677°F to 85°Frecommended
Thursday 23 July 202677°F to 83°Frecommended
Friday 24 July 202679°F to 83°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Port Antonio

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:40 and will set at 18:44 on the beach(es) of Port Antonio. The outside temperature will be a high of 83°F t and a low of 76°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.3mph km/h (with gusts up to 18mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)25°C (76°F)26°C (79°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (83°F)31°C (88°F)26°C (79°F)28°C (83°F)29°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%82%75%71%72%76%82%
Barometric pressure1016 hPa1015 hPa1015 hPa1016 hPa1016 hPa1014 hPa1014 hPa1015 hPa
Cloud cover11%85%84%77%80%6%7%19%
Heat index29°C (84°F)29°C (84°F)29°C (83°F)31°C (88°F)26°C (79°F)28°C (83°F)29°C (85°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)19°C (66°F)21°C (69°F)22°C (72°F)23°C (73°F)
Wind
Speed15km/h (10mph)15km/h (9mph)13km/h (8mph)13km/h (8mph)14km/h (9mph)15km/h (10mph)15km/h (10mph)12km/h (7mph)
Gusts24km/h (15mph)23km/h (14mph)20km/h (13mph)17km/h (10mph)29km/h (18mph)28km/h (18mph)25km/h (16mph)18km/h (11mph)
Direction 120°
ESE
121°
ESE
126°
SE
102°
ESE
97°
E
100°
E
126°
SE
116°
ESE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)25°C (76°F)26°C (79°F)27°C (80°F)26°C (79°F)
Waves
Height1.1m (3.6ft)1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.1ft)1.0m (3.2ft)1.0m (3.4ft)1.0m (3.4ft)
Direction 122°
ESE
123°
ESE
124°
SE
124°
SE
124°
SE
122°
ESE
121°
ESE
119°
ESE
Period6.4 sec.7.9 sec.7.9 sec.7.9 sec.6.2 sec.7.9 sec.6.1 sec.8.0 sec.
Significant height0.9m (3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)1.0m (3.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:40 and will set at 18:44 on the beach(es) of Port Antonio. The outside temperature will be a high of 85°F t and a low of 76°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 18.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)26°C (79°F)28°C (83°F)25°C (77°F)27°C (80°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (83°F)29°C (83°F)31°C (88°F)26°C (80°F)28°C (83°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%83%79%70%68%67%74%78%
Barometric pressure1014 hPa1013 hPa1014 hPa1015 hPa1015 hPa1014 hPa1014 hPa1014 hPa
Cloud cover88%6%70%71%14%3%0%1%
Heat index29°C (84°F)28°C (83°F)29°C (83°F)31°C (88°F)26°C (80°F)28°C (83°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)19°C (65°F)20°C (68°F)22°C (71°F)22°C (72°F)
Wind
Speed9km/h (5mph)8km/h (5mph)16km/h (10mph)18km/h (11mph)20km/h (13mph)22km/h (14mph)18km/h (11mph)19km/h (12mph)
Gusts13km/h (8mph)14km/h (9mph)25km/h (15mph)23km/h (14mph)24km/h (15mph)23km/h (14mph)30km/h (19mph)30km/h (19mph)
Direction 129°
SE
146°
SE
118°
ESE
117°
ESE
110°
ESE
114°
ESE
126°
SE
141°
SE
Wind chill26°C (78°F)26°C (78°F)26°C (79°F)28°C (83°F)25°C (77°F)27°C (80°F)27°C (80°F)26°C (79°F)
Waves
Height1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)1.1m (3.5ft)1.1m (3.7ft)1.2m (4.0ft)1.1m (3.7ft)1.1m (3.6ft)
Direction 119°
ESE
121°
ESE
121°
ESE
121°
ESE
116°
ESE
80°
E
112°
ESE
118°
ESE
Period8.0 sec.8.0 sec.8.0 sec.5.7 sec.5.7 sec.5.7 sec.6.3 sec.6.0 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)1.1m (3.6ft)1.3m (4.3ft)1.4m (4.6ft)1.2m (3.9ft)1.1m (3.6ft)
Sea water temperature
Water temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:41 and will set at 18:44 on the beach(es) of Port Antonio. The outside temperature will be a high of 83°F t and a low of 79°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 15.5mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (83°F)28°C (82°F)30°C (87°F)30°C (87°F)31°C (87°F)30°C (87°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%80%68%65%69%75%81%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1015 hPa1013 hPa1013 hPa1014 hPa
Cloud cover82%84%78%23%89%89%18%17%
Heat index29°C (84°F)28°C (83°F)28°C (82°F)30°C (87°F)30°C (87°F)31°C (87°F)30°C (87°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)22°C (71°F)21°C (71°F)21°C (69°F)22°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed16km/h (10mph)16km/h (10mph)10km/h (6mph)11km/h (7mph)14km/h (9mph)15km/h (10mph)15km/h (10mph)12km/h (8mph)
Gusts25km/h (15mph)24km/h (15mph)16km/h (10mph)14km/h (9mph)20km/h (12mph)22km/h (13mph)22km/h (14mph)20km/h (12mph)
Direction 120°
ESE
116°
ESE
106°
ESE
98°
E
103°
ESE
112°
ESE
125°
SE
122°
ESE
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (79°F)
Waves
Height1.0m (3.4ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.1ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.2ft)
Direction 119°
ESE
119°
ESE
120°
ESE
121°
ESE
121°
ESE
113°
ESE
114°
ESE
115°
ESE
Period6.1 sec.6.6 sec.7.7 sec.7.7 sec.7.7 sec.7.8 sec.6.1 sec.7.7 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.5m (1.6ft)0.9m (3ft)0.6m (2ft)0.7m (2.3ft)1.2m (3.9ft)0.5m (1.6ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:41 and will set at 18:44 on the beach(es) of Port Antonio. The outside temperature will be a high of 85°F t and a low of 77°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.3mph km/h (with gusts up to 18mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)25°C (78°F)26°C (79°F)28°C (82°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (82°F)29°C (83°F)31°C (88°F)27°C (80°F)28°C (82°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%80%70%66%68%73%79%
Barometric pressure1014 hPa1013 hPa1014 hPa1014 hPa1014 hPa1013 hPa1013 hPa1014 hPa
Cloud cover75%85%74%89%73%86%6%4%
Heat index29°C (84°F)28°C (82°F)29°C (83°F)31°C (88°F)27°C (80°F)28°C (82°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)18°C (65°F)20°C (67°F)21°C (71°F)22°C (72°F)
Wind
Speed10km/h (6mph)10km/h (6mph)9km/h (5mph)7km/h (4mph)8km/h (5mph)15km/h (9mph)13km/h (8mph)10km/h (6mph)
Gusts15km/h (9mph)15km/h (9mph)14km/h (9mph)9km/h (6mph)16km/h (10mph)29km/h (18mph)22km/h (13mph)16km/h (10mph)
Direction 79°
E
64°
ENE
55°
NE
65°
ENE
81°
E
103°
ESE
117°
ESE
120°
ESE
Wind chill26°C (79°F)25°C (78°F)26°C (79°F)28°C (82°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)
Waves
Height0.9m (3.0ft)0.9m (2.8ft)1.1m (3.5ft)1.4m (4.7ft)1.5m (4.9ft)1.3m (4.2ft)1.1m (3.6ft)1.0m (3.3ft)
Direction 116°
ESE
117°
ESE
118°
ESE
77°
ENE
69°
ENE
73°
ENE
70°
ENE
76°
ENE
Period7.7 sec.7.7 sec.7.6 sec.7.6 sec.6.8 sec.6.5 sec.6.3 sec.6.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)1.5m (4.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:41 and will set at 18:43 on the beach(es) of Port Antonio. The outside temperature will be a high of 83°F t and a low of 77°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 12.4mph km/h (with gusts up to 18.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)27°C (80°F)28°C (82°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)29°C (84°F)31°C (87°F)28°C (83°F)30°C (85°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%82%77%71%65%68%75%81%
Barometric pressure1014 hPa1013 hPa1014 hPa1014 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover22%85%27%18%14%17%25%17%
Heat index28°C (83°F)28°C (82°F)29°C (84°F)31°C (87°F)28°C (83°F)30°C (85°F)30°C (86°F)29°C (84°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)20°C (67°F)21°C (69°F)22°C (72°F)23°C (73°F)
Wind
Speed9km/h (6mph)6km/h (4mph)8km/h (5mph)11km/h (7mph)16km/h (10mph)20km/h (13mph)19km/h (12mph)19km/h (12mph)
Gusts15km/h (9mph)9km/h (6mph)10km/h (6mph)13km/h (8mph)18km/h (11mph)26km/h (16mph)28km/h (18mph)30km/h (18mph)
Direction 97°
E
86°
E
102°
ESE
107°
ESE
109°
ESE
113°
ESE
127°
SE
136°
SE
Wind chill26°C (78°F)25°C (77°F)27°C (80°F)28°C (82°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (79°F)
Waves
Height0.9m (2.9ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3.0ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3.0ft)
Direction 92°
E
110°
ESE
115°
ESE
108°
ESE
85°
E
76°
ENE
80°
E
92°
E
Period6.0 sec.5.8 sec.7.1 sec.6.2 sec.5.8 sec.5.8 sec.5.8 sec.5.4 sec.
Significant height1.1m (3.6ft)0.9m (3ft)0.3m (1ft)0.8m (2.6ft)1.2m (3.9ft)1.4m (4.6ft)1.4m (4.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature29°C (84°F)29°C (84°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:42 and will set at 18:43 on the beach(es) of Port Antonio. The outside temperature will be a high of 83°F t and a low of 79°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 20.5mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)26°C (80°F)26°C (79°F)26°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (83°F)29°C (84°F)31°C (87°F)29°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%79%73%69%67%75%80%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover16%20%35%24%10%3%2%2%
Heat index29°C (84°F)29°C (83°F)29°C (84°F)31°C (87°F)29°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)20°C (68°F)20°C (67°F)22°C (71°F)22°C (72°F)
Wind
Speed19km/h (12mph)19km/h (12mph)19km/h (12mph)23km/h (14mph)25km/h (16mph)26km/h (16mph)23km/h (14mph)21km/h (13mph)
Gusts30km/h (18mph)28km/h (18mph)28km/h (17mph)29km/h (18mph)27km/h (17mph)27km/h (17mph)31km/h (19mph)33km/h (21mph)
Direction 140°
SE
135°
SE
125°
SE
117°
ESE
117°
ESE
118°
ESE
122°
ESE
128°
SE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)26°C (80°F)26°C (79°F)26°C (80°F)26°C (79°F)
Waves
Height0.9m (3.0ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)
Direction 112°
ESE
120°
ESE
120°
ESE
122°
ESE
123°
ESE
125°
SE
125°
SE
124°
ESE
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.7.0 sec.
Significant height1.0m (3.3ft)0.9m (3ft)1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.5m (4.9ft)1.4m (4.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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