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
Sunday 14 December 202547°F to 54°Fnot recommended
Monday 15 December 202543°F to 47°Fdiscouraged
Tuesday 16 December 202536°F to 43°Fdiscouraged
Wednesday 17 December 202541°F to 49°Fdiscouraged
Thursday 18 December 202543°F to 54°Fnot recommended
Friday 19 December 202543°F to 47°Fnot recommended
Saturday 20 December 202541°F to 47°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Donegal

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 08:49 and will set at 16:08 on the beach(es) of Donegal. The outside temperature will be a high of 54°F t and a low of 47°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 25.5mph km/h (with gusts up to 31.7mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (52°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (54°F)9°C (47°F)8°C (47°F)
Perceived temperature8°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)8°C (47°F)9°C (48°F)5°C (41°F)5°C (41°F)
Precipitation0.1in0in0in0in0.1in0in0in0in
Humidity95%94%94%91%92%92%86%79%
Barometric pressure1006 hPa1005 hPa1003 hPa1000 hPa996 hPa993 hPa995 hPa998 hPa
Cloud cover100%100%100%100%100%100%100%75%
Heat index11°C (52°F)11°C (52°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (54°F)9°C (47°F)8°C (47°F)
Dew point10°C (51°F)10°C (51°F)11°C (51°F)10°C (51°F)10°C (51°F)11°C (52°F)6°C (43°F)5°C (40°F)
Wind
Speed25km/h (15mph)23km/h (14mph)25km/h (15mph)33km/h (21mph)41km/h (26mph)36km/h (23mph)27km/h (17mph)21km/h (13mph)
Gusts39km/h (24mph)36km/h (23mph)39km/h (24mph)51km/h (32mph)42km/h (26mph)41km/h (26mph)41km/h (25mph)30km/h (18mph)
Direction 195°
SSW
185°
S
177°
S
173°
S
175°
S
187°
S
272°
W
263°
W
Wind chill8°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)8°C (47°F)9°C (48°F)5°C (41°F)5°C (41°F)
Waves
Height2.8m (9.2ft)2.6m (8.4ft)2.6m (8.4ft)2.5m (8.1ft)2.4m (7.9ft)2.3m (7.5ft)2.2m (7.3ft)2.3m (7.5ft)
Direction 273°
W
272°
W
271°
W
270°
W
269°
W
269°
W
269°
W
269°
W
Period13.4 sec.13.2 sec.13.1 sec.13.4 sec.13.5 sec.13.5 sec.13.4 sec.4.6 sec.
Significant height1.1m (3.6ft)1.3m (4.3ft)1.4m (4.6ft)1.3m (4.3ft)1.5m (4.9ft)1.4m (4.6ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 08:50 and will set at 16:08 on the beach(es) of Donegal. The outside temperature will be a high of 47°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 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 10.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)7°C (44°F)6°C (42°F)6°C (43°F)
Perceived temperature5°C (40°F)4°C (40°F)4°C (39°F)4°C (38°F)4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%76%80%83%82%80%82%82%
Barometric pressure999 hPa1000 hPa1000 hPa1001 hPa1001 hPa1002 hPa1003 hPa1005 hPa
Cloud cover77%85%89%35%12%14%78%77%
Heat index8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)7°C (44°F)6°C (42°F)6°C (43°F)
Dew point5°C (40°F)3°C (38°F)3°C (38°F)4°C (38°F)4°C (39°F)3°C (38°F)3°C (37°F)3°C (38°F)
Wind
Speed21km/h (13mph)17km/h (10mph)14km/h (9mph)14km/h (9mph)15km/h (9mph)15km/h (10mph)12km/h (8mph)12km/h (8mph)
Gusts31km/h (19mph)27km/h (17mph)23km/h (14mph)23km/h (14mph)24km/h (15mph)26km/h (16mph)23km/h (14mph)21km/h (13mph)
Direction 230°
SW
230°
SW
200°
SSW
187°
S
203°
SSW
223°
SW
219°
SW
220°
SW
Wind chill5°C (40°F)4°C (40°F)4°C (39°F)4°C (38°F)4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)
Waves
Height2.3m (7.7ft)2.3m (7.4ft)2.2m (7.4ft)2.5m (8.1ft)2.9m (9.5ft)3.1m (10.3ft)3.1m (10.2ft)3.0m (9.9ft)
Direction 272°
W
271°
W
271°
W
276°
W
276°
W
280°
W
281°
W
278°
W
Period4.6 sec.13.2 sec.13.4 sec.14.8 sec.15.1 sec.15.8 sec.15.7 sec.15.2 sec.
Significant height1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)
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 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 08:51 and will set at 16:08 on the beach(es) of Donegal. The outside temperature will be a high of 43°F t and a low of 36°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 20.5mph). Wave height will be up to 9.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)5°C (41°F)5°C (40°F)5°C (40°F)4°C (39°F)3°C (38°F)4°C (38°F)4°C (40°F)
Perceived temperature3°C (38°F)2°C (36°F)2°C (35°F)2°C (35°F)0°C (32°F)-1°C (31°F)0°C (32°F)0°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%83%84%85%82%81%85%89%
Barometric pressure1006 hPa1008 hPa1010 hPa1012 hPa1013 hPa1013 hPa1014 hPa1014 hPa
Cloud cover82%89%80%74%78%0%7%10%
Heat index6°C (43°F)5°C (41°F)5°C (40°F)5°C (40°F)4°C (39°F)3°C (38°F)4°C (38°F)4°C (40°F)
Dew point3°C (37°F)2°C (36°F)2°C (36°F)2°C (36°F)1°C (34°F)0°C (33°F)1°C (34°F)2°C (36°F)
Wind
Speed13km/h (8mph)12km/h (8mph)13km/h (8mph)13km/h (8mph)14km/h (9mph)16km/h (10mph)14km/h (9mph)18km/h (11mph)
Gusts22km/h (14mph)21km/h (13mph)23km/h (14mph)22km/h (14mph)30km/h (19mph)33km/h (21mph)29km/h (18mph)31km/h (19mph)
Direction 221°
SW
197°
SSW
192°
SSW
187°
S
183°
S
188°
S
172°
S
160°
SSE
Wind chill3°C (38°F)2°C (36°F)2°C (35°F)2°C (35°F)0°C (32°F)-1°C (31°F)0°C (32°F)0°C (33°F)
Waves
Height3.0m (9.8ft)2.9m (9.4ft)2.8m (9.2ft)2.7m (8.8ft)2.5m (8.4ft)2.4m (8.0ft)2.4m (7.9ft)2.4m (7.9ft)
Direction 278°
W
276°
W
276°
W
275°
W
275°
W
275°
W
275°
W
275°
W
Period15.0 sec.14.9 sec.14.7 sec.14.5 sec.14.4 sec.14.3 sec.14.2 sec.13.9 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 08:51 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 41°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 24.9mph km/h (with gusts up to 36mph). Wave height will be up to 13.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)6°C (42°F)7°C (44°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (46°F)7°C (45°F)
Perceived temperature1°C (33°F)1°C (33°F)1°C (35°F)3°C (38°F)5°C (42°F)6°C (42°F)4°C (40°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%80%83%90%94%83%83%86%
Barometric pressure1012 hPa1009 hPa1007 hPa1005 hPa1005 hPa1006 hPa1008 hPa1009 hPa
Cloud cover49%100%100%100%100%71%88%18%
Heat index5°C (41°F)6°C (42°F)7°C (44°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (46°F)7°C (45°F)
Dew point3°C (37°F)3°C (37°F)4°C (39°F)6°C (43°F)8°C (46°F)6°C (44°F)5°C (41°F)5°C (41°F)
Wind
Speed26km/h (16mph)36km/h (22mph)40km/h (25mph)31km/h (19mph)22km/h (14mph)26km/h (16mph)25km/h (16mph)16km/h (10mph)
Gusts39km/h (24mph)51km/h (32mph)58km/h (36mph)46km/h (28mph)34km/h (21mph)44km/h (27mph)30km/h (18mph)27km/h (17mph)
Direction 167°
SSE
173°
S
175°
S
169°
S
200°
SSW
234°
SW
228°
SW
212°
SSW
Wind chill1°C (33°F)1°C (33°F)1°C (35°F)3°C (38°F)5°C (42°F)6°C (42°F)4°C (40°F)4°C (40°F)
Waves
Height2.4m (8.0ft)2.6m (8.4ft)2.7m (8.7ft)2.6m (8.7ft)2.5m (8.3ft)2.4m (7.9ft)2.6m (8.4ft)4.1m (13.4ft)
Direction 276°
W
276°
W
275°
W
273°
W
272°
W
273°
W
273°
W
280°
W
Period13.4 sec.13.1 sec.12.8 sec.12.9 sec.13.0 sec.13.1 sec.13.5 sec.18.0 sec.
Significant height1.7m (5.6ft)2.1m (6.9ft)1.9m (6.2ft)1.8m (5.9ft)1.4m (4.6ft)1.0m (3.3ft)0.9m (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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 08:52 and will set at 16:09 on the beach(es) of Donegal. The outside temperature will be a high of 54°F t and a low of 43°F. Precipitation is in the forecast (0.3in 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 37.9mph km/h (with gusts up to 40.4mph). Wave height will be up to 18ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)6°C (44°F)6°C (43°F)7°C (44°F)11°C (52°F)12°C (53°F)8°C (46°F)7°C (44°F)
Perceived temperature5°C (40°F)4°C (39°F)3°C (37°F)2°C (35°F)7°C (45°F)8°C (46°F)2°C (36°F)0°C (32°F)
Precipitation0in0in0in0.1in0.1in0in0in0in
Humidity88%90%90%91%88%82%72%80%
Barometric pressure1011 hPa1008 hPa1003 hPa992 hPa983 hPa980 hPa979 hPa976 hPa
Cloud cover74%100%95%100%100%71%95%100%
Heat index7°C (45°F)6°C (44°F)6°C (43°F)7°C (44°F)11°C (52°F)12°C (53°F)8°C (46°F)7°C (44°F)
Dew point5°C (41°F)5°C (41°F)5°C (41°F)5°C (42°F)9°C (48°F)9°C (48°F)3°C (38°F)3°C (38°F)
Wind
Speed12km/h (8mph)14km/h (9mph)19km/h (12mph)40km/h (25mph)49km/h (31mph)49km/h (30mph)56km/h (35mph)61km/h (38mph)
Gusts21km/h (13mph)24km/h (15mph)30km/h (19mph)47km/h (29mph)51km/h (32mph)53km/h (33mph)61km/h (38mph)65km/h (40mph)
Direction 192°
SSW
123°
ESE
110°
ESE
96°
E
154°
SSE
163°
SSE
165°
SSE
163°
SSE
Wind chill5°C (40°F)4°C (39°F)3°C (37°F)2°C (35°F)7°C (45°F)8°C (46°F)2°C (36°F)0°C (32°F)
Waves
Height5.5m (17.9ft)5.5m (18.2ft)5.3m (17.3ft)5.1m (16.7ft)4.9m (16.1ft)4.6m (15.1ft)4.3m (14.1ft)3.9m (12.9ft)
Direction 282°
WNW
280°
W
280°
W
280°
W
281°
W
282°
WNW
280°
W
281°
WNW
Period20.7 sec.20.2 sec.19.3 sec.19.2 sec.19.1 sec.18.7 sec.17.9 sec.17.4 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)1.1m (3.6ft)1.6m (5.2ft)1.8m (5.9ft)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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 08:53 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 43°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 39.2mph km/h (with gusts up to 42.9mph). Wave height will be up to 11.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (47°F)8°C (47°F)8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)6°C (44°F)
Perceived temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (38°F)4°C (39°F)2°C (36°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%83%75%79%75%68%70%78%
Barometric pressure975 hPa985 hPa996 hPa1004 hPa1009 hPa1012 hPa1015 hPa1017 hPa
Cloud cover99%100%87%83%87%91%80%38%
Heat index8°C (46°F)8°C (47°F)8°C (47°F)8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)6°C (44°F)
Dew point6°C (43°F)6°C (42°F)4°C (40°F)4°C (40°F)3°C (38°F)2°C (36°F)2°C (35°F)3°C (37°F)
Wind
Speed41km/h (26mph)63km/h (39mph)57km/h (36mph)42km/h (26mph)36km/h (23mph)33km/h (21mph)28km/h (17mph)22km/h (13mph)
Gusts56km/h (35mph)69km/h (43mph)59km/h (37mph)48km/h (30mph)37km/h (23mph)40km/h (25mph)28km/h (18mph)35km/h (22mph)
Direction 183°
S
289°
WNW
284°
WNW
282°
WNW
275°
W
263°
W
244°
WSW
213°
SSW
Wind chill3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (38°F)4°C (39°F)2°C (36°F)3°C (37°F)
Waves
Height3.5m (11.6ft)3.2m (10.5ft)3.0m (9.9ft)2.9m (9.5ft)2.7m (8.9ft)2.5m (8.4ft)2.5m (8.2ft)2.4m (7.8ft)
Direction 279°
W
280°
W
281°
WNW
279°
W
280°
W
282°
WNW
283°
WNW
280°
W
Period16.7 sec.16.0 sec.15.7 sec.15.0 sec.14.7 sec.14.5 sec.14.2 sec.13.4 sec.
Significant height0.8m (2.6ft)0.4m (1.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.5m (1.6ft)1.0m (3.3ft)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 20 December 2025

On Saturday 20 December 2025, the sun will rise at 08:53 and will set at 16:10 on the beach(es) of Donegal. The outside temperature will be a high of 47°F t and a low of 41°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 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)6°C (43°F)5°C (42°F)6°C (43°F)7°C (45°F)7°C (45°F)8°C (46°F)
Perceived temperature3°C (37°F)2°C (36°F)3°C (38°F)2°C (35°F)2°C (36°F)3°C (37°F)3°C (38°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%88%87%83%80%84%84%
Barometric pressure1017 hPa1017 hPa1016 hPa1016 hPa1016 hPa1015 hPa1014 hPa1014 hPa
Cloud cover46%100%79%39%47%100%73%61%
Heat index6°C (43°F)6°C (43°F)6°C (43°F)5°C (42°F)6°C (43°F)7°C (45°F)7°C (45°F)8°C (46°F)
Dew point4°C (39°F)4°C (39°F)4°C (40°F)3°C (38°F)3°C (38°F)4°C (39°F)5°C (41°F)5°C (41°F)
Wind
Speed19km/h (12mph)18km/h (11mph)16km/h (10mph)18km/h (11mph)23km/h (14mph)28km/h (17mph)29km/h (18mph)32km/h (20mph)
Gusts33km/h (20mph)28km/h (18mph)24km/h (15mph)29km/h (18mph)35km/h (22mph)43km/h (27mph)47km/h (29mph)34km/h (21mph)
Direction 194°
SSW
168°
SSE
162°
SSE
148°
SSE
157°
SSE
169°
SSE
171°
S
174°
S
Wind chill3°C (37°F)2°C (36°F)3°C (38°F)2°C (35°F)2°C (36°F)3°C (37°F)3°C (38°F)3°C (38°F)
Waves
Height2.3m (7.5ft)2.3m (7.5ft)2.3m (7.6ft)2.2m (7.1ft)1.9m (6.3ft)1.7m (5.7ft)1.6m (5.2ft)1.4m (4.7ft)
Direction 281°
W
281°
WNW
280°
W
280°
W
280°
W
279°
W
281°
WNW
280°
W
Period13.2 sec.12.7 sec.12.1 sec.11.8 sec.11.9 sec.11.7 sec.11.1 sec.10.9 sec.
Significant height0.9m (3ft)1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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