Sea weather in Guernsey in England All the beach weather in Guernsey

All the essential weather information for enjoying the beach in Guernsey in England, 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 Guernsey over the next 7 days?

Discover the best moment to go to the beach in Guernsey in England this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Guernsey. 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 202661°F to 65°Fdiscouraged
Sunday 19 July 202659°F to 63°Fdiscouraged
Monday 20 July 202661°F to 63°Fdiscouraged
Tuesday 21 July 202658°F to 63°Fdiscouraged
Wednesday 22 July 202661°F to 65°Frecommended
Thursday 23 July 202658°F to 65°Frecommended
Friday 24 July 202661°F to 63°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Guernsey

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:24 and will set at 21:09 on the beach(es) of Guernsey. The outside temperature will be a high of 65°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! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 18mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)18°C (64°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)
Perceived temperature17°C (63°F)18°C (64°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%82%84%85%89%90%82%83%
Barometric pressure1018 hPa1017 hPa1018 hPa1019 hPa1018 hPa1018 hPa1018 hPa1019 hPa
Cloud cover9%8%16%6%6%6%6%4%
Heat index17°C (63°F)18°C (64°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)
Dew point15°C (59°F)14°C (58°F)14°C (57°F)14°C (58°F)15°C (58°F)14°C (58°F)13°C (56°F)14°C (58°F)
Wind
Speed14km/h (9mph)10km/h (6mph)8km/h (5mph)12km/h (7mph)12km/h (8mph)17km/h (11mph)19km/h (12mph)21km/h (13mph)
Gusts29km/h (18mph)20km/h (13mph)16km/h (10mph)20km/h (13mph)22km/h (14mph)21km/h (13mph)25km/h (15mph)26km/h (16mph)
Direction 306°
NW
317°
NW
323°
NW
344°
NNW
32°
NNE
25°
NNE
341°
NNW
13°
NNE
Wind chill17°C (63°F)18°C (64°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)
Waves
Height0.4m (1.3ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 296°
WNW
295°
WNW
291°
WNW
295°
WNW
313°
NW
344°
NNW

N
274°
W
Period8.0 sec.8.0 sec.3.4 sec.7.9 sec.7.9 sec.3.6 sec.3.9 sec.8.3 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:25 and will set at 21:08 on the beach(es) of Guernsey. The outside temperature will be a high of 63°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 19.3mph km/h (with gusts up to 29.8mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (62°F)16°C (61°F)16°C (61°F)15°C (59°F)15°C (59°F)16°C (62°F)16°C (62°F)
Perceived temperature17°C (63°F)17°C (62°F)16°C (61°F)16°C (61°F)13°C (56°F)13°C (56°F)16°C (62°F)16°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%85%84%78%76%71%66%71%
Barometric pressure1021 hPa1021 hPa1023 hPa1025 hPa1026 hPa1025 hPa1024 hPa1025 hPa
Cloud cover8%5%10%8%12%10%46%0%
Heat index17°C (63°F)17°C (62°F)16°C (61°F)16°C (61°F)15°C (59°F)15°C (59°F)16°C (62°F)16°C (62°F)
Dew point14°C (57°F)14°C (57°F)13°C (56°F)12°C (54°F)11°C (51°F)10°C (49°F)10°C (50°F)11°C (52°F)
Wind
Speed22km/h (14mph)31km/h (19mph)29km/h (18mph)29km/h (18mph)31km/h (19mph)26km/h (16mph)16km/h (10mph)18km/h (11mph)
Gusts25km/h (16mph)47km/h (29mph)42km/h (26mph)41km/h (26mph)48km/h (30mph)26km/h (16mph)34km/h (21mph)33km/h (21mph)
Direction 79°
E
82°
E
74°
ENE
54°
NE
42°
NE
47°
NE
35°
NE
41°
NE
Wind chill17°C (63°F)17°C (62°F)16°C (61°F)16°C (61°F)13°C (56°F)13°C (56°F)16°C (62°F)16°C (62°F)
Waves
Height0.6m (1.9ft)1.0m (3.3ft)1.0m (3.1ft)1.0m (3.2ft)1.0m (3.3ft)0.8m (2.7ft)0.5m (1.6ft)0.4m (1.3ft)
Direction 57°
ENE
61°
ENE
54°
NE
49°
NE
45°
NE
46°
NE
43°
NE
47°
NE
Period8.1 sec.7.9 sec.5.1 sec.4.7 sec.7.5 sec.7.4 sec.7.4 sec.7.3 sec.
Significant height1.0m (3.3ft)1.2m (3.9ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)0.9m (3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:26 and will set at 21:07 on the beach(es) of Guernsey. The outside temperature will be a high of 63°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! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 24.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (62°F)17°C (62°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)17°C (62°F)17°C (63°F)
Perceived temperature16°C (62°F)17°C (62°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)17°C (62°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%74%81%79%79%77%67%71%
Barometric pressure1026 hPa1025 hPa1026 hPa1027 hPa1027 hPa1027 hPa1026 hPa1027 hPa
Cloud cover5%7%7%19%8%11%19%9%
Heat index16°C (62°F)17°C (62°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)17°C (62°F)17°C (63°F)
Dew point11°C (53°F)12°C (53°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (53°F)10°C (51°F)12°C (53°F)
Wind
Speed17km/h (11mph)17km/h (10mph)16km/h (10mph)14km/h (9mph)21km/h (13mph)22km/h (13mph)17km/h (11mph)15km/h (10mph)
Gusts29km/h (18mph)28km/h (18mph)26km/h (16mph)21km/h (13mph)39km/h (24mph)25km/h (16mph)19km/h (12mph)29km/h (18mph)
Direction 58°
ENE
73°
ENE
83°
E
61°
ENE
33°
NNE
28°
NNE
22°
NNE
51°
NE
Wind chill16°C (62°F)17°C (62°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)17°C (62°F)17°C (63°F)
Waves
Height0.4m (1.3ft)0.4m (1.4ft)0.5m (1.5ft)0.4m (1.4ft)0.6m (1.9ft)0.5m (1.7ft)0.4m (1.3ft)0.4m (1.4ft)
Direction 58°
ENE
64°
ENE
73°
ENE
70°
ENE
53°
NE
53°
NE
55°
NE
48°
NE
Period7.2 sec.7.0 sec.7.0 sec.9.2 sec.9.0 sec.8.9 sec.8.6 sec.11.3 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:27 and will set at 21:06 on the beach(es) of Guernsey. The outside temperature will be a high of 63°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 14.9mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)15°C (58°F)15°C (58°F)15°C (59°F)17°C (62°F)
Perceived temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)13°C (56°F)13°C (55°F)14°C (57°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%81%80%87%86%72%63%70%
Barometric pressure1028 hPa1028 hPa1029 hPa1030 hPa1030 hPa1029 hPa1027 hPa1028 hPa
Cloud cover9%19%6%18%2%2%2%8%
Heat index17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)15°C (58°F)15°C (58°F)15°C (59°F)17°C (62°F)
Dew point12°C (54°F)13°C (56°F)13°C (56°F)14°C (58°F)12°C (54°F)10°C (49°F)8°C (46°F)11°C (53°F)
Wind
Speed15km/h (9mph)17km/h (11mph)18km/h (11mph)15km/h (10mph)24km/h (15mph)20km/h (13mph)13km/h (8mph)17km/h (11mph)
Gusts26km/h (16mph)29km/h (18mph)28km/h (17mph)23km/h (15mph)29km/h (18mph)27km/h (17mph)26km/h (16mph)34km/h (21mph)
Direction 66°
ENE
69°
ENE
44°
NE
48°
NE
33°
NNE
26°
NNE

N
343°
NNW
Wind chill17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)13°C (56°F)13°C (55°F)14°C (57°F)17°C (62°F)
Waves
Height0.3m (1.1ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.2ft)0.4m (1.3ft)
Direction 278°
W
276°
W
278°
W
277°
W
50°
NE
54°
NE
277°
W
276°
W
Period11.5 sec.11.5 sec.11.1 sec.10.9 sec.10.8 sec.10.6 sec.10.4 sec.10.3 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:28 and will set at 21:04 on the beach(es) of Guernsey. The outside temperature will be a high of 65°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! The sea will be generally calm, with a wind speed of up to 11.2mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)
Perceived temperature17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%83%80%76%81%77%75%79%
Barometric pressure1026 hPa1024 hPa1023 hPa1023 hPa1023 hPa1021 hPa1020 hPa1020 hPa
Cloud cover8%10%13%49%57%6%18%39%
Heat index17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)
Dew point13°C (55°F)14°C (58°F)13°C (56°F)12°C (54°F)13°C (55°F)12°C (54°F)13°C (55°F)14°C (58°F)
Wind
Speed11km/h (7mph)16km/h (10mph)18km/h (11mph)14km/h (9mph)18km/h (11mph)13km/h (8mph)16km/h (10mph)12km/h (7mph)
Gusts23km/h (14mph)30km/h (19mph)31km/h (19mph)23km/h (14mph)28km/h (17mph)26km/h (16mph)32km/h (20mph)25km/h (15mph)
Direction 298°
WNW
303°
WNW
358°
N
356°
N
331°
NNW
313°
NW
287°
WNW
350°
N
Wind chill17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)
Waves
Height0.3m (1.1ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.2ft)0.4m (1.4ft)
Direction 275°
W
274°
W
276°
W
275°
W
274°
W
273°
W
273°
W
272°
W
Period10.2 sec.10.1 sec.10.0 sec.10.0 sec.10.0 sec.9.9 sec.9.8 sec.9.6 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:30 and will set at 21:03 on the beach(es) of Guernsey. The outside temperature will be a high of 65°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 9.9mph km/h (with gusts up to 18.6mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)17°C (62°F)17°C (62°F)17°C (62°F)15°C (58°F)14°C (58°F)16°C (61°F)17°C (63°F)
Perceived temperature18°C (64°F)17°C (62°F)17°C (62°F)17°C (62°F)14°C (58°F)14°C (58°F)16°C (61°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%85%87%85%80%74%71%67%
Barometric pressure1021 hPa1022 hPa1023 hPa1024 hPa1025 hPa1025 hPa1024 hPa1024 hPa
Cloud cover21%3%4%1%0%0%3%0%
Heat index18°C (64°F)17°C (62°F)17°C (62°F)17°C (62°F)15°C (58°F)14°C (58°F)16°C (61°F)17°C (63°F)
Dew point14°C (57°F)14°C (58°F)14°C (58°F)14°C (58°F)11°C (52°F)10°C (49°F)11°C (52°F)11°C (52°F)
Wind
Speed15km/h (10mph)16km/h (10mph)10km/h (6mph)8km/h (5mph)9km/h (6mph)6km/h (4mph)9km/h (6mph)13km/h (8mph)
Gusts30km/h (18mph)28km/h (17mph)16km/h (10mph)13km/h (8mph)19km/h (12mph)13km/h (8mph)20km/h (12mph)28km/h (17mph)
Direction 75°
ENE
90°
E
99°
E
79°
ENE
36°
NE

N
288°
WNW

N
Wind chill18°C (64°F)17°C (62°F)17°C (62°F)17°C (62°F)14°C (58°F)14°C (58°F)16°C (61°F)17°C (63°F)
Waves
Height0.7m (2.4ft)0.9m (2.9ft)0.8m (2.6ft)0.7m (2.2ft)0.7m (2.4ft)0.6m (2.1ft)0.4m (1.4ft)0.5m (1.6ft)
Direction 310°
NW
337°
NNW
15°
NNE
25°
NNE
45°
NE
45°
NE
47°
NE
274°
W
Period4.3 sec.4.7 sec.4.7 sec.4.5 sec.4.2 sec.9.0 sec.9.0 sec.8.9 sec.
Significant height1.4m (4.6ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:31 and will set at 21:02 on the beach(es) of Guernsey. The outside temperature will be a high of 63°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! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 17.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (62°F)17°C (63°F)17°C (63°F)17°C (62°F)16°C (62°F)16°C (61°F)17°C (63°F)
Perceived temperature17°C (63°F)17°C (62°F)17°C (63°F)17°C (63°F)17°C (62°F)16°C (62°F)16°C (61°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%87%84%81%80%78%79%82%
Barometric pressure1025 hPa1025 hPa1024 hPa1025 hPa1024 hPa1023 hPa1021 hPa1020 hPa
Cloud cover4%4%4%5%4%5%5%13%
Heat index17°C (63°F)17°C (62°F)17°C (63°F)17°C (63°F)17°C (62°F)16°C (62°F)16°C (61°F)17°C (63°F)
Dew point15°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 (55°F)14°C (58°F)
Wind
Speed10km/h (6mph)8km/h (5mph)12km/h (8mph)16km/h (10mph)14km/h (9mph)14km/h (9mph)19km/h (12mph)21km/h (13mph)
Gusts22km/h (14mph)16km/h (10mph)23km/h (14mph)28km/h (17mph)26km/h (16mph)28km/h (18mph)22km/h (14mph)27km/h (17mph)
Direction 286°
WNW
245°
WSW
261°
W
275°
W
302°
WNW
289°
WNW
262°
W
242°
WSW
Wind chill17°C (63°F)17°C (62°F)17°C (63°F)17°C (63°F)17°C (62°F)16°C (62°F)16°C (61°F)17°C (63°F)
Waves
Height0.4m (1.4ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.3ft)0.3m (1.0ft)0.5m (1.7ft)0.6m (2.0ft)0.5m (1.5ft)
Direction 58°
ENE
78°
ENE
95°
E
108°
ESE
273°
W
49°
NE
49°
NE
48°
NE
Period8.8 sec.8.7 sec.8.6 sec.8.5 sec.2.9 sec.8.5 sec.8.4 sec.8.4 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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