Sea weather in Port St Johns in South Africa All the beach weather in Port St Johns

All the essential weather information for enjoying the beach in Port St Johns in South Africa, 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 St Johns over the next 7 days?

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

Date Outside temp. Our opinion
Thursday 29 January 202672°F to 74°Fdiscouraged
Friday 30 January 202674°F to 77°Fdiscouraged
Saturday 31 January 202674°F to 77°Fdiscouraged
Sunday 1 February 202670°F to 79°Fdiscouraged
Monday 2 February 202674°F to 79°Fdiscouraged
Tuesday 3 February 202676°F to 77°Fdiscouraged
Wednesday 4 February 202674°F to 79°Frecommended

Sea Weather: Your daily and hourly sea weather in Port St Johns

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 05:26 and will set at 19:07 on the beach(es) of Port St Johns. The outside temperature will be a high of 74°F t and a low of 72°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 14.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%89%86%82%81%83%83%
Barometric pressure1016 hPa1016 hPa1017 hPa1018 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover100%96%100%100%100%88%100%100%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point21°C (70°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)20°C (67°F)19°C (67°F)20°C (67°F)
Wind
Speed23km/h (15mph)22km/h (14mph)18km/h (11mph)13km/h (8mph)13km/h (8mph)16km/h (10mph)17km/h (10mph)15km/h (9mph)
Gusts33km/h (21mph)31km/h (19mph)24km/h (15mph)18km/h (11mph)17km/h (11mph)23km/h (14mph)25km/h (15mph)22km/h (13mph)
Direction 231°
SW
226°
SW
201°
SSW
196°
SSW
161°
SSE
128°
SE
101°
E
86°
E
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Waves
Height1.6m (5.2ft)1.6m (5.4ft)1.6m (5.4ft)1.6m (5.3ft)1.6m (5.1ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (5.0ft)
Direction 209°
SSW
209°
SSW
207°
SSW
207°
SSW
207°
SSW
208°
SSW
208°
SSW
208°
SSW
Period12.1 sec.12.1 sec.12.6 sec.12.7 sec.12.6 sec.12.5 sec.12.5 sec.12.6 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 05:27 and will set at 19:07 on the beach(es) of Port St Johns. The outside temperature will be a high of 77°F t and a low of 74°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 14.3mph km/h (with gusts up to 18.6mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)24°C (75°F)25°C (76°F)25°C (77°F)24°C (76°F)24°C (75°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%87%88%84%80%81%84%89%
Barometric pressure1016 hPa1014 hPa1015 hPa1015 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover95%99%100%74%41%77%90%64%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)
Dew point20°C (68°F)20°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)22°C (72°F)
Wind
Speed14km/h (9mph)13km/h (8mph)10km/h (6mph)13km/h (8mph)19km/h (12mph)23km/h (14mph)14km/h (9mph)11km/h (7mph)
Gusts20km/h (13mph)19km/h (12mph)14km/h (9mph)17km/h (10mph)25km/h (15mph)30km/h (19mph)21km/h (13mph)17km/h (11mph)
Direction 87°
E
88°
E
74°
ENE
61°
ENE
95°
E
81°
E
76°
ENE
45°
NE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)24°C (75°F)25°C (76°F)25°C (77°F)24°C (76°F)24°C (75°F)
Waves
Height1.5m (5.0ft)1.5m (5.1ft)1.5m (5.1ft)1.5m (5.1ft)1.5m (4.9ft)1.5m (4.8ft)1.4m (4.6ft)1.4m (4.5ft)
Direction 207°
SSW
207°
SSW
207°
SSW
207°
SSW
207°
SSW
207°
SSW
207°
SSW
207°
SSW
Period12.7 sec.12.6 sec.12.5 sec.12.4 sec.12.2 sec.12.1 sec.12.0 sec.12.0 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 05:28 and will set at 19:06 on the beach(es) of Port St Johns. The outside temperature will be a high of 77°F t and a low of 74°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 16.8mph km/h (with gusts up to 23.6mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (74°F)23°C (74°F)25°C (77°F)24°C (75°F)24°C (74°F)23°C (74°F)23°C (74°F)
Perceived temperature26°C (79°F)26°C (78°F)25°C (78°F)27°C (81°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%90%85%83%91%90%89%91%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1014 hPa1013 hPa1013 hPa1015 hPa
Cloud cover92%65%46%88%100%100%100%100%
Heat index26°C (79°F)26°C (78°F)25°C (78°F)27°C (81°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (78°F)
Dew point22°C (72°F)22°C (71°F)21°C (69°F)22°C (71°F)22°C (72°F)22°C (71°F)21°C (70°F)22°C (71°F)
Wind
Speed5km/h (3mph)5km/h (3mph)10km/h (6mph)14km/h (9mph)22km/h (13mph)27km/h (17mph)19km/h (12mph)12km/h (8mph)
Gusts7km/h (4mph)8km/h (5mph)16km/h (10mph)19km/h (12mph)29km/h (18mph)38km/h (23mph)28km/h (18mph)18km/h (11mph)
Direction 114°
ESE
296°
WNW
269°
W
213°
SSW
177°
S
173°
S
166°
SSE
162°
SSE
Wind chill24°C (75°F)24°C (74°F)23°C (74°F)25°C (77°F)24°C (75°F)24°C (74°F)23°C (74°F)23°C (74°F)
Waves
Height1.3m (4.4ft)1.3m (4.3ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.8ft)
Direction 207°
SSW
207°
SSW
206°
SSW
205°
SSW
203°
SSW
202°
SSW
202°
SSW
203°
SSW
Period11.9 sec.11.9 sec.11.9 sec.11.9 sec.11.8 sec.11.7 sec.11.5 sec.11.3 sec.
Significant height0.9m (3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.4m (4.6ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 05:28 and will set at 19:05 on the beach(es) of Port St Johns. The outside temperature will be a high of 79°F t and a low of 70°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 18mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)24°C (76°F)21°C (71°F)26°C (79°F)25°C (77°F)24°C (76°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (80°F)21°C (71°F)28°C (83°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%92%90%81%79%79%85%92%
Barometric pressure1014 hPa1013 hPa1013 hPa1014 hPa1012 hPa1011 hPa1011 hPa1012 hPa
Cloud cover98%89%63%34%13%54%57%31%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)26°C (80°F)24°C (76°F)28°C (83°F)28°C (82°F)27°C (80°F)
Dew point22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)18°C (64°F)22°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed8km/h (5mph)13km/h (8mph)8km/h (5mph)5km/h (3mph)11km/h (7mph)22km/h (14mph)21km/h (13mph)10km/h (6mph)
Gusts11km/h (7mph)18km/h (11mph)12km/h (8mph)7km/h (4mph)23km/h (15mph)29km/h (18mph)29km/h (18mph)16km/h (10mph)
Direction 208°
SSW
236°
WSW
230°
SW
202°
SSW
149°
SSE
85°
E
78°
ENE
49°
NE
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)24°C (76°F)21°C (71°F)26°C (79°F)25°C (77°F)24°C (76°F)
Waves
Height1.1m (3.6ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.3ft)1.1m (3.5ft)1.2m (3.8ft)
Direction 202°
SSW
202°
SSW
202°
SSW
200°
SSW
201°
SSW
202°
SSW
201°
SSW
204°
SSW
Period11.1 sec.10.9 sec.10.8 sec.10.7 sec.10.6 sec.7.3 sec.7.6 sec.7.6 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 05:29 and will set at 19:05 on the beach(es) of Port St Johns. The outside temperature will be a high of 79°F t and a low of 74°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 23mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (74°F)23°C (74°F)25°C (77°F)26°C (78°F)26°C (79°F)25°C (78°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (79°F)25°C (78°F)27°C (81°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%93%89%81%82%84%88%92%
Barometric pressure1011 hPa1011 hPa1012 hPa1012 hPa1012 hPa1011 hPa1012 hPa1013 hPa
Cloud cover52%60%50%59%45%34%48%75%
Heat index26°C (79°F)26°C (79°F)25°C (78°F)27°C (81°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (82°F)
Dew point23°C (73°F)22°C (72°F)21°C (70°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (74°F)24°C (74°F)
Wind
Speed10km/h (6mph)5km/h (3mph)6km/h (4mph)8km/h (5mph)14km/h (9mph)24km/h (15mph)26km/h (16mph)25km/h (15mph)
Gusts16km/h (10mph)8km/h (5mph)10km/h (6mph)10km/h (6mph)19km/h (12mph)33km/h (21mph)37km/h (23mph)36km/h (23mph)
Direction 38°
NE
351°
N
331°
NNW
164°
SSE
92°
E
71°
ENE
67°
ENE
63°
ENE
Wind chill24°C (75°F)24°C (74°F)23°C (74°F)25°C (77°F)26°C (78°F)26°C (79°F)25°C (78°F)25°C (77°F)
Waves
Height1.4m (4.5ft)1.5m (4.9ft)1.5m (4.8ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)
Direction 204°
SSW
207°
SSW
207°
SSW
208°
SSW
209°
SSW
209°
SSW
209°
SSW
209°
SSW
Period7.2 sec.11.0 sec.15.2 sec.14.8 sec.14.4 sec.14.2 sec.13.9 sec.13.4 sec.
Significant height1.2m (3.9ft)1.0m (3.3ft)0.7m (2.3ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 05:30 and will set at 19:04 on the beach(es) of Port St Johns. The outside temperature will be a high of 77°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 19.9mph km/h (with gusts up to 26.1mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)24°C (76°F)
Perceived temperature27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%93%90%87%85%85%87%89%
Barometric pressure1013 hPa1013 hPa1014 hPa1014 hPa1014 hPa1013 hPa1013 hPa1015 hPa
Cloud cover76%79%83%84%77%58%64%90%
Heat index27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed19km/h (12mph)12km/h (8mph)9km/h (5mph)23km/h (14mph)32km/h (20mph)30km/h (19mph)28km/h (17mph)25km/h (16mph)
Gusts29km/h (18mph)18km/h (11mph)12km/h (8mph)31km/h (19mph)42km/h (26mph)41km/h (25mph)39km/h (24mph)37km/h (23mph)
Direction 57°
ENE
40°
NE
88°
E
228°
SW
208°
SSW
203°
SSW
215°
SW
237°
WSW
Wind chill25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)24°C (76°F)
Waves
Height1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 209°
SSW
208°
SSW
207°
SSW
205°
SSW
203°
SSW
200°
SSW
195°
SSW
188°
S
Period13.2 sec.12.8 sec.12.6 sec.12.4 sec.12.0 sec.11.8 sec.10.8 sec.9.1 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)1.4m (4.6ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.1m (3.6ft)0.6m (2ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 05:31 and will set at 19:03 on the beach(es) of Port St Johns. The outside temperature will be a high of 79°F t and a low of 74°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. 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 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)26°C (78°F)25°C (78°F)25°C (76°F)24°C (74°F)
Perceived temperature26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (82°F)27°C (80°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity88%87%86%82%76%81%89%93%
Barometric pressure1015 hPa1014 hPa1014 hPa1014 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover93%85%92%69%41%36%76%82%
Heat index26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (82°F)27°C (80°F)26°C (78°F)
Dew point22°C (72°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)23°C (73°F)22°C (72°F)
Wind
Speed20km/h (12mph)14km/h (9mph)8km/h (5mph)9km/h (6mph)11km/h (7mph)14km/h (9mph)16km/h (10mph)20km/h (12mph)
Gusts30km/h (19mph)21km/h (13mph)12km/h (7mph)13km/h (8mph)15km/h (10mph)21km/h (13mph)21km/h (13mph)24km/h (15mph)
Direction 246°
WSW
239°
WSW
240°
WSW
204°
SSW
149°
SSE
166°
SSE
196°
SSW
239°
WSW
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)26°C (78°F)25°C (78°F)25°C (76°F)24°C (74°F)
Waves
Height1.4m (4.6ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 182°
S
178°
S
176°
S
172°
S
164°
SSE
164°
SSE
163°
SSE
152°
SSE
Period8.9 sec.8.3 sec.8.0 sec.8.0 sec.8.2 sec.8.3 sec.8.6 sec.8.9 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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