Sea weather in Donegal in Ireland All the beach weather in Donegal

All the essential weather information for enjoying the beach in Donegal in Ireland, 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 Donegal over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202543°F to 49°Fnot recommended
Saturday 6 December 202549°F to 50°Fdiscouraged
Sunday 7 December 202543°F to 50°Fdiscouraged
Monday 8 December 202543°F to 50°Fdiscouraged
Tuesday 9 December 202545°F to 47°Frecommended
Wednesday 10 December 202545°F to 49°Fdiscouraged
Thursday 11 December 202547°F to 50°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Donegal

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 08:38 and will set at 16:10 on the beach(es) of Donegal. The outside temperature will be a high of 49°F t and a low of 43°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 28.6mph km/h (with gusts up to 34.2mph). Wave height will be up to 12.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)6°C (42°F)6°C (43°F)6°C (42°F)6°C (43°F)8°C (46°F)9°C (48°F)9°C (48°F)
Perceived temperature4°C (39°F)2°C (36°F)2°C (35°F)0°C (32°F)0°C (33°F)3°C (37°F)6°C (43°F)6°C (43°F)
Precipitation0in0in0in0in0.2in0in0in0in
Humidity88%88%82%86%89%85%93%92%
Barometric pressure996 hPa996 hPa994 hPa989 hPa981 hPa976 hPa974 hPa974 hPa
Cloud cover100%56%100%100%100%100%100%100%
Heat index7°C (45°F)6°C (42°F)6°C (43°F)6°C (42°F)6°C (43°F)8°C (46°F)9°C (48°F)9°C (48°F)
Dew point6°C (42°F)4°C (39°F)3°C (38°F)3°C (38°F)4°C (40°F)5°C (42°F)8°C (46°F)8°C (46°F)
Wind
Speed23km/h (15mph)18km/h (11mph)24km/h (15mph)40km/h (25mph)46km/h (28mph)46km/h (29mph)17km/h (11mph)18km/h (11mph)
Gusts34km/h (21mph)30km/h (18mph)36km/h (22mph)55km/h (34mph)49km/h (30mph)49km/h (30mph)28km/h (17mph)28km/h (17mph)
Direction 222°
SW
161°
SSE
147°
SSE
137°
SE
131°
SE
134°
SE
158°
SSE
167°
SSE
Wind chill4°C (39°F)2°C (36°F)2°C (35°F)0°C (32°F)0°C (33°F)3°C (37°F)6°C (43°F)6°C (43°F)
Waves
Height3.9m (12.7ft)3.6m (11.9ft)3.2m (10.6ft)2.8m (9.3ft)2.5m (8.1ft)2.1m (7.0ft)1.8m (5.9ft)1.6m (5.3ft)
Direction 281°
W
282°
WNW
284°
WNW
284°
WNW
282°
WNW
283°
WNW
284°
WNW
282°
WNW
Period15.9 sec.15.8 sec.15.7 sec.15.6 sec.14.9 sec.14.4 sec.14.2 sec.13.4 sec.
Significant height1.2m (3.9ft)0.8m (2.6ft)1.0m (3.3ft)1.6m (5.2ft)1.4m (4.6ft)1.4m (4.6ft)0.5m (1.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 08:40 and will set at 16:10 on the beach(es) of Donegal. The outside temperature will be a high of 50°F t and a low of 49°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 18.6mph km/h (with gusts up to 29.2mph). Wave height will be up to 11.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (49°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (50°F)
Perceived temperature6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)7°C (44°F)6°C (43°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%91%93%91%89%89%91%91%
Barometric pressure976 hPa978 hPa980 hPa983 hPa985 hPa988 hPa991 hPa994 hPa
Cloud cover100%100%100%100%100%85%100%84%
Heat index9°C (48°F)9°C (48°F)9°C (48°F)9°C (49°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (50°F)
Dew point8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)
Wind
Speed19km/h (12mph)19km/h (12mph)18km/h (11mph)18km/h (11mph)23km/h (14mph)25km/h (15mph)30km/h (19mph)28km/h (17mph)
Gusts27km/h (17mph)27km/h (17mph)26km/h (16mph)28km/h (18mph)34km/h (21mph)40km/h (25mph)47km/h (29mph)42km/h (26mph)
Direction 195°
SSW
200°
SSW
197°
SSW
210°
SSW
231°
SW
254°
WSW
239°
WSW
238°
WSW
Wind chill6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)7°C (44°F)6°C (43°F)7°C (44°F)
Waves
Height1.6m (5.3ft)2.0m (6.7ft)2.8m (9.1ft)3.2m (10.5ft)3.6m (11.7ft)3.5m (11.4ft)3.2m (10.5ft)2.9m (9.6ft)
Direction 282°
WNW
267°
W
271°
W
270°
W
271°
W
270°
W
270°
W
271°
W
Period13.0 sec.12.9 sec.18.8 sec.17.7 sec.17.0 sec.16.2 sec.15.6 sec.15.1 sec.
Significant height1.2m (3.9ft)1.3m (4.3ft)0.8m (2.6ft)1.1m (3.6ft)1.8m (5.9ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 08:41 and will set at 16:10 on the beach(es) of Donegal. The outside temperature will be a high of 50°F t and a low of 43°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 21.8mph km/h (with gusts up to 24.9mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)8°C (47°F)7°C (45°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (47°F)7°C (45°F)
Perceived temperature7°C (44°F)6°C (43°F)4°C (40°F)4°C (39°F)6°C (43°F)5°C (41°F)5°C (40°F)4°C (40°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity91%89%91%91%93%82%79%86%
Barometric pressure995 hPa996 hPa994 hPa991 hPa993 hPa995 hPa998 hPa1000 hPa
Cloud cover99%31%100%100%77%50%75%4%
Heat index10°C (49°F)8°C (47°F)7°C (45°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (47°F)7°C (45°F)
Dew point8°C (47°F)7°C (44°F)6°C (42°F)6°C (43°F)8°C (46°F)6°C (43°F)5°C (41°F)5°C (41°F)
Wind
Speed22km/h (14mph)15km/h (9mph)15km/h (9mph)26km/h (16mph)17km/h (10mph)35km/h (21mph)26km/h (16mph)16km/h (10mph)
Gusts34km/h (21mph)23km/h (14mph)24km/h (15mph)40km/h (25mph)26km/h (16mph)40km/h (25mph)32km/h (20mph)28km/h (17mph)
Direction 231°
SW
179°
S
134°
SE
122°
ESE
194°
SSW
255°
WSW
244°
WSW
191°
S
Wind chill7°C (44°F)6°C (43°F)4°C (40°F)4°C (39°F)6°C (43°F)5°C (41°F)5°C (40°F)4°C (40°F)
Waves
Height2.7m (8.9ft)2.4m (7.7ft)2.1m (6.8ft)1.8m (6.0ft)1.6m (5.4ft)1.5m (4.9ft)1.6m (5.4ft)2.0m (6.5ft)
Direction 269°
W
269°
W
268°
W
269°
W
269°
W
270°
W
271°
W
271°
W
Period14.3 sec.14.3 sec.13.7 sec.13.7 sec.13.4 sec.13.0 sec.12.6 sec.12.6 sec.
Significant height1.0m (3.3ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)1.5m (4.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 08:42 and will set at 16:09 on the beach(es) of Donegal. The outside temperature will be a high of 50°F t and a low of 43°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 18mph km/h (with gusts up to 28mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)7°C (44°F)10°C (49°F)8°C (46°F)8°C (47°F)9°C (47°F)8°C (46°F)7°C (45°F)
Perceived temperature3°C (38°F)3°C (37°F)6°C (43°F)5°C (40°F)5°C (42°F)6°C (43°F)5°C (41°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%84%82%88%87%87%88%91%
Barometric pressure999 hPa997 hPa996 hPa999 hPa1000 hPa1000 hPa1000 hPa1000 hPa
Cloud cover11%89%58%70%35%49%60%86%
Heat index6°C (43°F)7°C (44°F)10°C (49°F)8°C (46°F)8°C (47°F)9°C (47°F)8°C (46°F)7°C (45°F)
Dew point5°C (40°F)4°C (40°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (44°F)6°C (42°F)6°C (42°F)
Wind
Speed16km/h (10mph)27km/h (17mph)29km/h (18mph)22km/h (14mph)19km/h (12mph)16km/h (10mph)14km/h (9mph)15km/h (9mph)
Gusts27km/h (17mph)42km/h (26mph)45km/h (28mph)35km/h (22mph)29km/h (18mph)25km/h (16mph)25km/h (15mph)26km/h (16mph)
Direction 149°
SSE
146°
SE
202°
SSW
197°
SSW
181°
S
178°
S
160°
SSE
143°
SE
Wind chill3°C (38°F)3°C (37°F)6°C (43°F)5°C (40°F)5°C (42°F)6°C (43°F)5°C (41°F)4°C (40°F)
Waves
Height1.7m (5.6ft)1.6m (5.3ft)1.6m (5.2ft)1.8m (5.8ft)2.3m (7.7ft)2.7m (9.0ft)2.8m (9.3ft)2.8m (9.1ft)
Direction 269°
W
272°
W
272°
W
277°
W
277°
W
276°
W
276°
W
275°
W
Period12.3 sec.11.4 sec.9.8 sec.12.0 sec.18.9 sec.17.7 sec.17.4 sec.17.2 sec.
Significant height1.6m (5.2ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 08:43 and will set at 16:09 on the beach(es) of Donegal. The outside temperature will be a high of 47°F t and a low of 45°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 9.9mph km/h (with gusts up to 18mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)8°C (47°F)
Perceived temperature4°C (40°F)5°C (40°F)4°C (40°F)4°C (40°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%91%94%95%92%94%95%94%
Barometric pressure1000 hPa999 hPa998 hPa998 hPa996 hPa994 hPa993 hPa993 hPa
Cloud cover83%61%69%91%100%100%100%100%
Heat index7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)8°C (47°F)
Dew point6°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)7°C (45°F)
Wind
Speed16km/h (10mph)15km/h (10mph)13km/h (8mph)12km/h (7mph)9km/h (6mph)7km/h (4mph)6km/h (4mph)9km/h (5mph)
Gusts29km/h (18mph)26km/h (16mph)22km/h (14mph)20km/h (12mph)14km/h (9mph)12km/h (7mph)10km/h (6mph)14km/h (8mph)
Direction 152°
SSE
151°
SSE
138°
SE
117°
ESE
97°
E
58°
ENE
27°
NNE
288°
WNW
Wind chill4°C (40°F)5°C (40°F)4°C (40°F)4°C (40°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)
Waves
Height2.8m (9.1ft)2.8m (9.2ft)2.7m (9.0ft)2.6m (8.5ft)2.4m (7.9ft)2.2m (7.1ft)2.0m (6.7ft)2.1m (6.9ft)
Direction 274°
W
273°
W
272°
W
272°
W
272°
W
273°
W
270°
W
271°
W
Period17.0 sec.16.8 sec.16.5 sec.16.2 sec.15.8 sec.15.4 sec.14.7 sec.14.4 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (3ft)1.4m (4.6ft)1.1m (3.6ft)1.5m (4.9ft)2.4m (7.9ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 08:45 and will set at 16:09 on the beach(es) of Donegal. The outside temperature will be a high of 49°F t and a low of 45°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 21.1mph km/h (with gusts up to 31.1mph). Wave height will be up to 10.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)9°C (48°F)8°C (47°F)8°C (46°F)7°C (44°F)
Perceived temperature5°C (42°F)6°C (44°F)6°C (42°F)5°C (41°F)5°C (41°F)4°C (40°F)4°C (39°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%86%90%91%86%83%85%90%
Barometric pressure994 hPa994 hPa994 hPa995 hPa996 hPa999 hPa1002 hPa1004 hPa
Cloud cover100%78%100%100%72%72%88%65%
Heat index8°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)9°C (48°F)8°C (47°F)8°C (46°F)7°C (44°F)
Dew point7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)6°C (42°F)5°C (41°F)5°C (42°F)
Wind
Speed18km/h (11mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)34km/h (21mph)33km/h (20mph)24km/h (15mph)18km/h (11mph)
Gusts25km/h (16mph)15km/h (9mph)16km/h (10mph)20km/h (13mph)50km/h (31mph)39km/h (25mph)41km/h (25mph)30km/h (19mph)
Direction 281°
W
239°
WSW
152°
SSE
182°
S
262°
W
256°
WSW
221°
SW
177°
S
Wind chill5°C (42°F)6°C (44°F)6°C (42°F)5°C (41°F)5°C (41°F)4°C (40°F)4°C (39°F)4°C (39°F)
Waves
Height2.3m (7.6ft)3.1m (10.3ft)3.1m (10.0ft)2.9m (9.6ft)2.8m (9.3ft)2.6m (8.6ft)2.5m (8.3ft)2.5m (8.3ft)
Direction 268°
W
266°
W
268°
W
270°
W
272°
W
273°
W
272°
W
272°
W
Period13.8 sec.13.0 sec.12.7 sec.12.8 sec.12.5 sec.12.0 sec.11.4 sec.11.7 sec.
Significant height2.5m (8.2ft)2.6m (8.5ft)1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.2m (3.9ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 08:46 and will set at 16:08 on the beach(es) of Donegal. The outside temperature will be a high of 50°F t and a low of 47°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 26.7mph km/h (with gusts up to 31.1mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (47°F)10°C (49°F)10°C (51°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)
Perceived temperature5°C (40°F)4°C (40°F)6°C (42°F)6°C (44°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%86%88%87%88%90%89%89%
Barometric pressure1004 hPa1003 hPa1000 hPa999 hPa998 hPa998 hPa1000 hPa1002 hPa
Cloud cover92%100%100%100%100%100%88%85%
Heat index8°C (46°F)8°C (47°F)10°C (49°F)10°C (51°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)
Dew point6°C (43°F)6°C (43°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)8°C (47°F)8°C (46°F)
Wind
Speed19km/h (12mph)29km/h (18mph)35km/h (22mph)40km/h (25mph)43km/h (27mph)32km/h (20mph)20km/h (12mph)22km/h (14mph)
Gusts29km/h (18mph)43km/h (27mph)40km/h (25mph)41km/h (26mph)47km/h (30mph)50km/h (31mph)35km/h (22mph)36km/h (23mph)
Direction 165°
SSE
154°
SSE
161°
SSE
165°
SSE
164°
SSE
175°
S
182°
S
170°
S
Wind chill5°C (40°F)4°C (40°F)6°C (42°F)6°C (44°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (44°F)
Waves
Height2.4m (8.0ft)2.3m (7.7ft)2.2m (7.3ft)2.8m (9.1ft)2.6m (8.7ft)2.3m (7.7ft)2.2m (7.4ft)2.3m (7.5ft)
Direction 273°
W
274°
W
274°
W
272°
W
272°
W
271°
W
271°
W
270°
W
Period11.8 sec.11.9 sec.12.1 sec.11.6 sec.11.2 sec.11.9 sec.12.3 sec.12.6 sec.
Significant height1.4m (4.6ft)1.5m (4.9ft)1.7m (5.6ft)1.8m (5.9ft)1.3m (4.3ft)1.0m (3.3ft)1.3m (4.3ft)1.6m (5.2ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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