Sea weather in Gansbaai in South Africa All the beach weather in Gansbaai

All the essential weather information for enjoying the beach in Gansbaai 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 Gansbaai over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 14 December 202559°F to 67°Frecommended
Monday 15 December 202563°F to 68°Frecommended
Tuesday 16 December 202561°F to 68°Fnot recommended
Wednesday 17 December 202563°F to 67°Fnot recommended
Thursday 18 December 202563°F to 67°Frecommended
Friday 19 December 202563°F to 68°Fdiscouraged
Saturday 20 December 202565°F to 70°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Gansbaai

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 05:25 and will set at 19:52 on the beach(es) of Gansbaai. The outside temperature will be a high of 67°F t and a low of 59°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 19.9mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)17°C (62°F)16°C (61°F)17°C (62°F)15°C (59°F)15°C (59°F)15°C (59°F)19°C (65°F)
Perceived temperature18°C (64°F)17°C (62°F)16°C (61°F)17°C (62°F)15°C (59°F)15°C (59°F)14°C (58°F)19°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity54%57%60%57%59%62%66%72%
Barometric pressure1022 hPa1020 hPa1019 hPa1019 hPa1018 hPa1017 hPa1015 hPa1016 hPa
Cloud cover8%22%3%3%1%0%0%46%
Heat index18°C (64°F)17°C (62°F)16°C (61°F)17°C (62°F)15°C (59°F)15°C (59°F)15°C (59°F)19°C (65°F)
Dew point8°C (47°F)8°C (47°F)9°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)9°C (47°F)13°C (56°F)
Wind
Speed7km/h (4mph)6km/h (4mph)5km/h (3mph)3km/h (2mph)12km/h (7mph)15km/h (9mph)10km/h (6mph)3km/h (2mph)
Gusts10km/h (6mph)9km/h (5mph)7km/h (4mph)4km/h (3mph)23km/h (14mph)32km/h (20mph)22km/h (14mph)4km/h (3mph)
Direction 225°
SW
32°
NNE
30°
NNE
276°
W
231°
SW
226°
SW
221°
SW
123°
ESE
Wind chill18°C (64°F)17°C (62°F)16°C (61°F)17°C (62°F)15°C (59°F)15°C (59°F)14°C (58°F)19°C (65°F)
Waves
Height2.8m (9.1ft)2.6m (8.6ft)2.5m (8.1ft)2.3m (7.7ft)2.2m (7.3ft)2.1m (7.0ft)2.2m (7.1ft)2.2m (7.3ft)
Direction 232°
SW
231°
SW
232°
SW
231°
SW
231°
SW
230°
SW
228°
SW
227°
SW
Period12.4 sec.12.3 sec.12.1 sec.11.9 sec.11.7 sec.11.6 sec.11.5 sec.11.3 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:25 and will set at 19:52 on the beach(es) of Gansbaai. The outside temperature will be a high of 68°F t and a low of 63°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 19.3mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)18°C (64°F)18°C (64°F)19°C (65°F)17°C (62°F)17°C (63°F)20°C (68°F)20°C (67°F)
Perceived temperature18°C (64°F)18°C (64°F)18°C (64°F)19°C (65°F)17°C (62°F)17°C (63°F)20°C (68°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%74%73%67%73%73%76%78%
Barometric pressure1015 hPa1013 hPa1013 hPa1012 hPa1012 hPa1010 hPa1009 hPa1010 hPa
Cloud cover0%0%0%0%0%0%38%24%
Heat index18°C (64°F)18°C (64°F)18°C (64°F)19°C (65°F)17°C (62°F)17°C (63°F)20°C (68°F)20°C (67°F)
Dew point13°C (56°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (53°F)12°C (54°F)15°C (60°F)16°C (61°F)
Wind
Speed11km/h (7mph)7km/h (4mph)10km/h (6mph)4km/h (3mph)12km/h (8mph)15km/h (9mph)13km/h (8mph)10km/h (6mph)
Gusts16km/h (10mph)11km/h (7mph)15km/h (9mph)6km/h (4mph)24km/h (15mph)31km/h (19mph)20km/h (12mph)16km/h (10mph)
Direction 50°
NE
100°
E
70°
ENE
119°
ESE
211°
SSW
209°
SSW
192°
SSW
126°
SE
Wind chill18°C (64°F)18°C (64°F)18°C (64°F)19°C (65°F)17°C (62°F)17°C (63°F)20°C (68°F)20°C (67°F)
Waves
Height2.3m (7.5ft)2.3m (7.7ft)2.4m (8.0ft)2.5m (8.3ft)2.6m (8.4ft)2.6m (8.4ft)2.5m (8.3ft)2.4m (8.0ft)
Direction 227°
SW
227°
SW
227°
SW
226°
SW
227°
SW
228°
SW
229°
SW
230°
SW
Period11.2 sec.11.2 sec.11.4 sec.11.9 sec.12.1 sec.12.2 sec.12.5 sec.12.6 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.5m (1.6ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:25 and will set at 19:53 on the beach(es) of Gansbaai. The outside temperature will be a high of 68°F t and a low of 61°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 31.7mph km/h (with gusts up to 36mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (67°F)19°C (65°F)18°C (65°F)19°C (66°F)18°C (64°F)18°C (64°F)16°C (61°F)19°C (67°F)
Perceived temperature19°C (67°F)19°C (65°F)18°C (65°F)19°C (66°F)18°C (64°F)18°C (64°F)16°C (61°F)19°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%83%80%83%79%77%74%79%
Barometric pressure1009 hPa1007 hPa1006 hPa1007 hPa1006 hPa1005 hPa1004 hPa1005 hPa
Cloud cover20%0%0%2%1%2%0%100%
Heat index19°C (67°F)19°C (65°F)18°C (65°F)19°C (66°F)18°C (64°F)18°C (64°F)16°C (61°F)19°C (67°F)
Dew point15°C (60°F)16°C (60°F)15°C (59°F)16°C (61°F)14°C (57°F)14°C (57°F)12°C (53°F)16°C (60°F)
Wind
Speed15km/h (9mph)14km/h (9mph)9km/h (6mph)25km/h (16mph)33km/h (21mph)47km/h (29mph)51km/h (32mph)46km/h (29mph)
Gusts23km/h (14mph)22km/h (14mph)14km/h (8mph)35km/h (22mph)34km/h (21mph)54km/h (33mph)58km/h (36mph)49km/h (30mph)
Direction 91°
E
88°
E
53°
NE
285°
WNW
282°
WNW
279°
W
288°
WNW
315°
NW
Wind chill19°C (67°F)19°C (65°F)18°C (65°F)19°C (66°F)18°C (64°F)18°C (64°F)16°C (61°F)19°C (67°F)
Waves
Height2.4m (7.7ft)2.3m (7.4ft)2.2m (7.1ft)2.1m (7.0ft)2.3m (7.5ft)2.5m (8.4ft)2.7m (8.8ft)2.8m (9.3ft)
Direction 231°
SW
233°
SW
234°
SW
235°
SW
236°
WSW
237°
WSW
238°
WSW
253°
WSW
Period12.6 sec.12.6 sec.12.5 sec.12.3 sec.12.2 sec.12.2 sec.12.1 sec.15.0 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.8m (2.6ft)1.5m (4.9ft)1.6m (5.2ft)1.7m (5.6ft)1.6m (5.2ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:26 and will set at 19:54 on the beach(es) of Gansbaai. The outside temperature will be a high of 67°F t and a low of 63°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 28mph km/h (with gusts up to 37.9mph). Wave height will be up to 11.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)19°C (65°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (63°F)
Perceived temperature19°C (66°F)19°C (65°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%72%66%61%60%54%57%55%
Barometric pressure1007 hPa1008 hPa1012 hPa1014 hPa1016 hPa1017 hPa1018 hPa1020 hPa
Cloud cover90%65%74%60%65%46%75%72%
Heat index19°C (66°F)19°C (65°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (63°F)
Dew point16°C (61°F)14°C (56°F)11°C (52°F)10°C (50°F)9°C (48°F)7°C (45°F)8°C (47°F)8°C (46°F)
Wind
Speed45km/h (28mph)44km/h (28mph)43km/h (27mph)38km/h (24mph)35km/h (22mph)30km/h (19mph)24km/h (15mph)21km/h (13mph)
Gusts51km/h (32mph)61km/h (38mph)57km/h (35mph)49km/h (30mph)47km/h (29mph)42km/h (26mph)34km/h (21mph)29km/h (18mph)
Direction 276°
W
245°
WSW
229°
SW
240°
WSW
239°
WSW
232°
SW
229°
SW
231°
SW
Wind chill19°C (66°F)19°C (65°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (63°F)
Waves
Height3.1m (10.2ft)3.4m (11.0ft)3.3m (10.9ft)3.3m (10.8ft)3.3m (10.9ft)3.2m (10.6ft)3.0m (10.0ft)2.9m (9.4ft)
Direction 243°
WSW
241°
WSW
238°
WSW
238°
WSW
237°
WSW
230°
SW
219°
SW
211°
SSW
Period14.9 sec.14.4 sec.10.0 sec.10.2 sec.10.7 sec.10.6 sec.10.3 sec.10.0 sec.
Significant height1.7m (5.6ft)1.8m (5.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)0.7m (2.3ft)1.5m (4.9ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:26 and will set at 19:54 on the beach(es) of Gansbaai. The outside temperature will be a high of 67°F t and a low of 63°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 11.2mph km/h (with gusts up to 14.9mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)
Perceived temperature17°C (63°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity55%62%63%64%64%66%68%72%
Barometric pressure1020 hPa1019 hPa1020 hPa1021 hPa1022 hPa1022 hPa1022 hPa1023 hPa
Cloud cover59%100%71%80%72%20%25%25%
Heat index17°C (63°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)
Dew point8°C (47°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (53°F)12°C (54°F)13°C (55°F)14°C (56°F)
Wind
Speed15km/h (10mph)18km/h (11mph)11km/h (7mph)10km/h (6mph)12km/h (8mph)16km/h (10mph)15km/h (9mph)11km/h (7mph)
Gusts21km/h (13mph)24km/h (15mph)15km/h (9mph)13km/h (8mph)18km/h (11mph)24km/h (15mph)23km/h (14mph)16km/h (10mph)
Direction 262°
W
279°
W
268°
W
249°
WSW
222°
SW
219°
SW
199°
SSW
162°
SSE
Wind chill17°C (63°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)
Waves
Height2.7m (8.7ft)2.4m (7.9ft)2.3m (7.6ft)2.2m (7.2ft)2.1m (6.9ft)2.0m (6.6ft)2.0m (6.6ft)1.9m (6.2ft)
Direction 208°
SSW
205°
SSW
203°
SSW
200°
SSW
200°
SSW
201°
SSW
199°
SSW
198°
SSW
Period10.1 sec.9.4 sec.9.3 sec.9.4 sec.10.3 sec.11.6 sec.11.1 sec.10.0 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)1.0m (3.3ft)1.1m (3.6ft)1.4m (4.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:27 and will set at 19:55 on the beach(es) of Gansbaai. The outside temperature will be a high of 68°F t and a low of 63°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 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (65°F)18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)20°C (67°F)
Perceived temperature19°C (65°F)18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%74%75%72%71%73%75%79%
Barometric pressure1023 hPa1021 hPa1021 hPa1021 hPa1020 hPa1019 hPa1019 hPa1020 hPa
Cloud cover19%10%2%1%2%1%0%3%
Heat index19°C (65°F)18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)20°C (67°F)
Dew point14°C (56°F)14°C (56°F)14°C (56°F)13°C (56°F)12°C (54°F)12°C (54°F)13°C (56°F)16°C (60°F)
Wind
Speed11km/h (7mph)14km/h (9mph)15km/h (9mph)18km/h (11mph)23km/h (15mph)26km/h (16mph)26km/h (16mph)24km/h (15mph)
Gusts17km/h (11mph)20km/h (13mph)22km/h (14mph)24km/h (15mph)28km/h (17mph)28km/h (17mph)31km/h (19mph)37km/h (23mph)
Direction 104°
ESE
79°
ENE
87°
E
121°
ESE
156°
SSE
158°
SSE
145°
SE
126°
SE
Wind chill19°C (65°F)18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)20°C (67°F)
Waves
Height1.8m (5.9ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.9m (6.2ft)1.9m (6.2ft)1.7m (5.6ft)
Direction 197°
SSW
204°
SSW
211°
SSW
200°
SSW
217°
SW
219°
SW
218°
SW
216°
SW
Period10.2 sec.10.5 sec.10.6 sec.10.5 sec.11.3 sec.13.2 sec.12.8 sec.12.1 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)1.6m (5.2ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 05:27 and will set at 19:55 on the beach(es) of Gansbaai. The outside temperature will be a high of 70°F t and a low of 65°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 27.3mph km/h (with gusts up to 28.6mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)20°C (68°F)
Perceived temperature19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%81%74%67%69%72%78%
Barometric pressure1020 hPa1019 hPa1018 hPa1018 hPa1016 hPa1014 hPa1013 hPa1014 hPa
Cloud cover14%20%11%4%0%0%0%14%
Heat index19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)20°C (68°F)
Dew point16°C (60°F)16°C (61°F)16°C (60°F)15°C (59°F)14°C (56°F)13°C (56°F)14°C (57°F)16°C (61°F)
Wind
Speed24km/h (15mph)27km/h (17mph)31km/h (19mph)35km/h (22mph)39km/h (24mph)44km/h (27mph)41km/h (26mph)35km/h (22mph)
Gusts37km/h (23mph)40km/h (25mph)45km/h (28mph)46km/h (29mph)43km/h (27mph)45km/h (28mph)43km/h (27mph)42km/h (26mph)
Direction 109°
ESE
99°
E
98°
E
106°
ESE
117°
ESE
124°
SE
119°
ESE
107°
ESE
Wind chill19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)20°C (68°F)
Waves
Height1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.7m (5.6ft)1.8m (5.9ft)1.9m (6.2ft)
Direction 218°
SW
218°
SW
216°
SW
218°
SW
219°
SW
217°
SW
216°
SW
217°
SW
Period11.9 sec.11.6 sec.11.1 sec.10.7 sec.10.6 sec.13.5 sec.19.1 sec.18.3 sec.
Significant height1.1m (3.6ft)1.2m (3.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.7m (5.6ft)1.5m (4.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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