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

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

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

Date Outside temp. Our opinion
Saturday 18 July 202658°F to 61°Fdiscouraged
Sunday 19 July 202652°F to 59°Fdiscouraged
Monday 20 July 202654°F to 58°Frecommended
Tuesday 21 July 202652°F to 59°Frecommended
Wednesday 22 July 202658°F to 61°Fdiscouraged
Thursday 23 July 202654°F to 59°Fdiscouraged
Friday 24 July 202654°F to 59°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Hermanus

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 07:47 and will set at 17:53 on the beach(es) of Hermanus. The outside temperature will be a high of 61°F t and a low of 58°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 22.4mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)16°C (60°F)16°C (60°F)14°C (57°F)15°C (60°F)
Perceived temperature16°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)16°C (60°F)16°C (60°F)12°C (54°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%86%87%87%84%87%89%88%
Barometric pressure1020 hPa1019 hPa1018 hPa1019 hPa1019 hPa1017 hPa1017 hPa1018 hPa
Cloud cover76%86%10%19%100%100%5%2%
Heat index16°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)16°C (60°F)16°C (60°F)14°C (57°F)15°C (60°F)
Dew point13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)13°C (56°F)12°C (54°F)13°C (56°F)
Wind
Speed10km/h (6mph)13km/h (8mph)14km/h (9mph)15km/h (10mph)17km/h (11mph)20km/h (12mph)21km/h (13mph)22km/h (13mph)
Gusts17km/h (11mph)22km/h (14mph)22km/h (14mph)25km/h (15mph)28km/h (17mph)34km/h (21mph)28km/h (17mph)36km/h (22mph)
Direction 314°
NW
314°
NW
301°
WNW
312°
NW
296°
WNW
273°
W
273°
W
284°
WNW
Wind chill16°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)16°C (60°F)16°C (60°F)12°C (54°F)15°C (60°F)
Waves
Height1.4m (4.7ft)1.4m (4.6ft)1.4m (4.7ft)1.5m (4.9ft)1.6m (5.3ft)1.7m (5.6ft)1.7m (5.7ft)1.8m (5.8ft)
Direction 223°
SW
221°
SW
219°
SW
217°
SW
216°
SW
216°
SW
218°
SW
219°
SW
Period9.7 sec.9.6 sec.9.4 sec.9.4 sec.9.3 sec.9.1 sec.9.0 sec.8.6 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.6m (2ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)1.4m (4.6ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 07:46 and will set at 17:54 on the beach(es) of Hermanus. The outside temperature will be a high of 59°F t and a low of 52°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 29.2mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (60°F)15°C (59°F)15°C (58°F)15°C (59°F)15°C (59°F)14°C (57°F)13°C (55°F)14°C (58°F)
Perceived temperature15°C (60°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (54°F)11°C (52°F)14°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%86%86%82%84%75%78%77%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1020 hPa1019 hPa1019 hPa1021 hPa
Cloud cover2%0%8%93%100%14%4%0%
Heat index15°C (60°F)15°C (59°F)15°C (58°F)15°C (59°F)15°C (59°F)14°C (57°F)13°C (55°F)14°C (58°F)
Dew point13°C (56°F)13°C (55°F)12°C (54°F)12°C (53°F)12°C (54°F)10°C (49°F)9°C (48°F)10°C (51°F)
Wind
Speed24km/h (15mph)26km/h (16mph)32km/h (20mph)32km/h (20mph)32km/h (20mph)22km/h (13mph)15km/h (9mph)8km/h (5mph)
Gusts38km/h (23mph)41km/h (26mph)35km/h (22mph)33km/h (21mph)47km/h (29mph)35km/h (22mph)30km/h (19mph)12km/h (7mph)
Direction 294°
WNW
305°
NW
299°
WNW
313°
NW
257°
WSW
253°
WSW
284°
WNW
297°
WNW
Wind chill15°C (60°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (54°F)11°C (52°F)14°C (58°F)
Waves
Height1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (6.0ft)1.9m (6.4ft)2.1m (6.8ft)2.1m (6.8ft)
Direction 221°
SW
222°
SW
223°
SW
224°
SW
224°
SW
223°
SW
221°
SW
220°
SW
Period12.2 sec.11.9 sec.11.7 sec.6.9 sec.11.5 sec.11.0 sec.10.3 sec.9.9 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.6m (2ft)1.2m (3.9ft)0.9m (3ft)0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 07:45 and will set at 17:54 on the beach(es) of Hermanus. The outside temperature will be a high of 58°F t and a low of 54°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 6.2mph km/h (with gusts up to 9.3mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)14°C (57°F)
Perceived temperature13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)12°C (54°F)13°C (55°F)14°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%77%77%74%71%70%70%
Barometric pressure1020 hPa1019 hPa1019 hPa1019 hPa1018 hPa1016 hPa1016 hPa1017 hPa
Cloud cover0%0%0%0%3%5%6%0%
Heat index14°C (57°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)14°C (57°F)
Dew point10°C (50°F)10°C (49°F)9°C (49°F)9°C (49°F)8°C (47°F)8°C (46°F)8°C (46°F)9°C (48°F)
Wind
Speed10km/h (6mph)9km/h (6mph)8km/h (5mph)6km/h (4mph)4km/h (2mph)8km/h (5mph)5km/h (3mph)5km/h (3mph)
Gusts15km/h (9mph)15km/h (9mph)12km/h (8mph)10km/h (6mph)7km/h (4mph)14km/h (9mph)9km/h (6mph)7km/h (4mph)
Direction 356°
N
19°
NNE
23°
NNE
10°
N
304°
NW
256°
WSW
242°
WSW
46°
NE
Wind chill13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)12°C (54°F)13°C (55°F)14°C (58°F)
Waves
Height2.0m (6.5ft)1.9m (6.3ft)1.8m (6.0ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.4ft)
Direction 220°
SW
220°
SW
219°
SW
219°
SW
218°
SW
216°
SW
215°
SW
219°
SW
Period9.7 sec.9.6 sec.9.4 sec.9.2 sec.9.1 sec.8.8 sec.8.8 sec.8.0 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 07:45 and will set at 17:55 on the beach(es) of Hermanus. The outside temperature will be a high of 59°F t and a low of 52°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 16.8mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)12°C (53°F)13°C (55°F)11°C (51°F)14°C (58°F)
Perceived temperature14°C (56°F)13°C (55°F)14°C (56°F)13°C (56°F)12°C (53°F)11°C (52°F)9°C (48°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%73%74%74%72%77%80%83%
Barometric pressure1016 hPa1015 hPa1015 hPa1016 hPa1015 hPa1013 hPa1013 hPa1014 hPa
Cloud cover0%0%0%0%0%2%0%0%
Heat index14°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)12°C (53°F)13°C (55°F)11°C (51°F)14°C (58°F)
Dew point8°C (47°F)8°C (47°F)9°C (47°F)9°C (48°F)7°C (45°F)9°C (47°F)7°C (45°F)12°C (53°F)
Wind
Speed6km/h (4mph)8km/h (5mph)4km/h (2mph)6km/h (4mph)5km/h (3mph)13km/h (8mph)13km/h (8mph)18km/h (11mph)
Gusts10km/h (6mph)12km/h (7mph)6km/h (4mph)9km/h (6mph)11km/h (7mph)26km/h (16mph)26km/h (16mph)27km/h (17mph)
Direction 47°
NE
38°
NE

N

N
310°
NW
262°
W
283°
WNW
299°
WNW
Wind chill14°C (56°F)13°C (55°F)14°C (56°F)13°C (56°F)12°C (53°F)11°C (52°F)9°C (48°F)13°C (56°F)
Waves
Height1.3m (4.3ft)1.3m (4.2ft)1.3m (4.3ft)1.4m (4.6ft)1.6m (5.3ft)1.9m (6.4ft)2.3m (7.6ft)2.6m (8.4ft)
Direction 213°
SSW
211°
SSW
210°
SSW
211°
SSW
212°
SSW
215°
SW
219°
SW
221°
SW
Period7.7 sec.11.6 sec.14.6 sec.14.2 sec.13.8 sec.13.7 sec.14.3 sec.14.3 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.3m (4.3ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 07:44 and will set at 17:56 on the beach(es) of Hermanus. The outside temperature will be a high of 61°F t and a low of 58°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 24.9mph km/h (with gusts up to 27.3mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (57°F)14°C (58°F)14°C (58°F)15°C (58°F)15°C (59°F)16°C (60°F)15°C (60°F)
Perceived temperature13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)14°C (56°F)16°C (60°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%75%74%72%69%73%77%80%
Barometric pressure1014 hPa1014 hPa1015 hPa1016 hPa1017 hPa1016 hPa1018 hPa1020 hPa
Cloud cover5%4%1%4%3%13%25%10%
Heat index14°C (58°F)14°C (57°F)14°C (58°F)14°C (58°F)15°C (58°F)15°C (59°F)16°C (60°F)15°C (60°F)
Dew point11°C (51°F)10°C (50°F)10°C (49°F)9°C (49°F)9°C (48°F)10°C (50°F)12°C (53°F)12°C (53°F)
Wind
Speed23km/h (14mph)23km/h (15mph)26km/h (16mph)27km/h (17mph)35km/h (22mph)40km/h (25mph)38km/h (24mph)33km/h (21mph)
Gusts35km/h (22mph)39km/h (24mph)43km/h (27mph)44km/h (27mph)39km/h (24mph)43km/h (27mph)42km/h (26mph)37km/h (23mph)
Direction 308°
NW
320°
NW
317°
NW
318°
NW
305°
NW
305°
NW
304°
NW
313°
NW
Wind chill13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)14°C (56°F)16°C (60°F)15°C (58°F)
Waves
Height2.6m (8.6ft)2.5m (8.3ft)2.4m (8.0ft)2.4m (7.8ft)2.4m (7.7ft)2.3m (7.5ft)2.3m (7.5ft)2.1m (6.9ft)
Direction 222°
SW
223°
SW
224°
SW
224°
SW
223°
SW
224°
SW
224°
SW
223°
SW
Period13.7 sec.13.3 sec.13.2 sec.13.2 sec.12.9 sec.12.6 sec.12.3 sec.12.0 sec.
Significant height0.1m (0.3ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 07:44 and will set at 17:56 on the beach(es) of Hermanus. The outside temperature will be a high of 59°F t and a low of 54°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 17.4mph km/h (with gusts up to 23.6mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)13°C (55°F)12°C (54°F)13°C (56°F)15°C (59°F)
Perceived temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)11°C (53°F)11°C (51°F)12°C (54°F)15°C (59°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%81%78%78%82%83%83%
Barometric pressure1020 hPa1021 hPa1023 hPa1024 hPa1025 hPa1024 hPa1024 hPa1026 hPa
Cloud cover10%45%64%7%0%0%14%28%
Heat index15°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)13°C (55°F)12°C (54°F)13°C (56°F)15°C (59°F)
Dew point12°C (53°F)12°C (53°F)11°C (52°F)10°C (50°F)9°C (48°F)9°C (49°F)10°C (51°F)12°C (54°F)
Wind
Speed28km/h (17mph)24km/h (15mph)18km/h (11mph)14km/h (9mph)16km/h (10mph)20km/h (13mph)17km/h (11mph)15km/h (9mph)
Gusts36km/h (22mph)38km/h (24mph)30km/h (18mph)25km/h (15mph)26km/h (16mph)24km/h (15mph)24km/h (15mph)25km/h (16mph)
Direction 322°
NW
318°
NW
323°
NW
336°
NNW
303°
WNW
281°
W
289°
WNW
293°
WNW
Wind chill13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)11°C (53°F)11°C (51°F)12°C (54°F)15°C (59°F)
Waves
Height1.9m (6.2ft)1.8m (5.9ft)1.7m (5.6ft)1.7m (5.6ft)1.8m (5.9ft)2.0m (6.6ft)2.1m (6.9ft)2.6m (8.5ft)
Direction 225°
SW
226°
SW
227°
SW
227°
SW
227°
SW
225°
SW
221°
SW
222°
SW
Period11.9 sec.12.0 sec.12.0 sec.11.8 sec.11.1 sec.9.7 sec.11.8 sec.16.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)1.2m (3.9ft)1.1m (3.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 07:43 and will set at 17:57 on the beach(es) of Hermanus. The outside temperature will be a high of 59°F t and a low of 54°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 24.2mph). Wave height will be up to 9.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)15°C (58°F)14°C (58°F)14°C (57°F)13°C (56°F)13°C (55°F)13°C (56°F)15°C (58°F)
Perceived temperature14°C (57°F)14°C (58°F)14°C (58°F)14°C (57°F)13°C (55°F)11°C (53°F)12°C (54°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%80%77%74%76%80%82%
Barometric pressure1027 hPa1026 hPa1027 hPa1028 hPa1028 hPa1026 hPa1026 hPa1027 hPa
Cloud cover2%0%0%0%0%0%1%8%
Heat index15°C (58°F)15°C (58°F)14°C (58°F)14°C (57°F)13°C (56°F)13°C (55°F)13°C (56°F)15°C (58°F)
Dew point12°C (53°F)12°C (53°F)11°C (52°F)10°C (50°F)9°C (48°F)9°C (48°F)10°C (50°F)12°C (53°F)
Wind
Speed11km/h (7mph)8km/h (5mph)8km/h (5mph)8km/h (5mph)9km/h (6mph)17km/h (11mph)21km/h (13mph)23km/h (14mph)
Gusts17km/h (11mph)13km/h (8mph)13km/h (8mph)15km/h (9mph)20km/h (12mph)30km/h (19mph)30km/h (18mph)39km/h (24mph)
Direction 312°
NW
348°
NNW
242°
WSW
46°
NE
116°
ESE
148°
SSE
130°
SE
107°
ESE
Wind chill14°C (57°F)14°C (58°F)14°C (58°F)14°C (57°F)13°C (55°F)11°C (53°F)12°C (54°F)14°C (57°F)
Waves
Height2.9m (9.5ft)2.3m (7.5ft)2.4m (7.9ft)2.5m (8.2ft)2.6m (8.5ft)2.7m (8.9ft)2.7m (8.9ft)2.6m (8.5ft)
Direction 225°
SW
224°
SW
224°
SW
224°
SW
223°
SW
223°
SW
223°
SW
224°
SW
Period15.8 sec.14.4 sec.14.0 sec.13.6 sec.13.5 sec.13.6 sec.13.4 sec.13.1 sec.
Significant height0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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