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 19 July 202652°F to 63°Frecommended
Monday 20 July 202656°F to 61°Fdiscouraged
Tuesday 21 July 202656°F to 61°Frecommended
Wednesday 22 July 202656°F to 61°Frecommended
Thursday 23 July 202656°F to 61°Frecommended
Friday 24 July 202656°F to 61°Fdiscouraged
Saturday 25 July 202656°F to 58°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Donegal

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:24 and will set at 21:56 on the beach(es) of Donegal. The outside temperature will be a high of 63°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 10.6mph 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 temperature12°C (53°F)11°C (53°F)12°C (54°F)15°C (59°F)16°C (62°F)16°C (61°F)15°C (58°F)13°C (56°F)
Perceived temperature11°C (51°F)10°C (51°F)11°C (52°F)14°C (58°F)16°C (62°F)16°C (61°F)14°C (56°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%92%88%68%60%62%70%87%
Barometric pressure1027 hPa1027 hPa1028 hPa1029 hPa1029 hPa1029 hPa1029 hPa1031 hPa
Cloud cover39%40%21%20%12%13%10%16%
Heat index12°C (53°F)11°C (53°F)12°C (54°F)15°C (59°F)16°C (62°F)16°C (61°F)15°C (58°F)13°C (56°F)
Dew point10°C (51°F)10°C (50°F)10°C (50°F)9°C (48°F)9°C (47°F)9°C (48°F)9°C (49°F)11°C (52°F)
Wind
Speed12km/h (7mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)15km/h (9mph)16km/h (10mph)17km/h (11mph)12km/h (7mph)
Gusts20km/h (12mph)16km/h (10mph)14km/h (9mph)13km/h (8mph)22km/h (13mph)24km/h (15mph)29km/h (18mph)21km/h (13mph)
Direction 350°
N
356°
N

N
351°
N
330°
NNW
325°
NW
338°
NNW
346°
NNW
Wind chill11°C (51°F)10°C (51°F)11°C (52°F)14°C (58°F)16°C (62°F)16°C (61°F)14°C (56°F)12°C (54°F)
Waves
Height0.4m (1.2ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)
Direction 295°
WNW
296°
WNW
296°
WNW
292°
WNW
286°
WNW
285°
WNW
284°
WNW
284°
WNW
Period6.8 sec.6.7 sec.6.4 sec.5.8 sec.8.6 sec.7.9 sec.8.7 sec.11.6 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:26 and will set at 21:55 on the beach(es) of Donegal. The outside temperature will be a high of 61°F t and a low of 56°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 19.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)14°C (57°F)14°C (57°F)16°C (60°F)16°C (61°F)16°C (60°F)15°C (58°F)13°C (56°F)
Perceived temperature12°C (54°F)13°C (55°F)13°C (56°F)16°C (60°F)16°C (61°F)16°C (60°F)13°C (56°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%93%88%77%72%73%76%90%
Barometric pressure1031 hPa1031 hPa1031 hPa1031 hPa1032 hPa1032 hPa1032 hPa1033 hPa
Cloud cover56%83%81%72%26%20%21%21%
Heat index13°C (55°F)14°C (57°F)14°C (57°F)16°C (60°F)16°C (61°F)16°C (60°F)15°C (58°F)13°C (56°F)
Dew point12°C (53°F)13°C (55°F)12°C (54°F)11°C (53°F)11°C (52°F)11°C (51°F)11°C (51°F)11°C (53°F)
Wind
Speed8km/h (5mph)10km/h (6mph)13km/h (8mph)18km/h (11mph)19km/h (12mph)22km/h (14mph)20km/h (13mph)13km/h (8mph)
Gusts13km/h (8mph)16km/h (10mph)19km/h (12mph)23km/h (14mph)25km/h (16mph)31km/h (19mph)31km/h (19mph)22km/h (13mph)
Direction 343°
NNW
343°
NNW
349°
N
344°
NNW
330°
NNW
336°
NNW
343°
NNW
341°
NNW
Wind chill12°C (54°F)13°C (55°F)13°C (56°F)16°C (60°F)16°C (61°F)16°C (60°F)13°C (56°F)12°C (53°F)
Waves
Height0.3m (1.0ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.3ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.6ft)0.4m (1.4ft)
Direction 283°
WNW
283°
WNW
282°
WNW
282°
WNW
282°
WNW
281°
WNW
281°
W
281°
W
Period9.1 sec.10.9 sec.10.5 sec.10.5 sec.10.9 sec.10.7 sec.10.4 sec.10.3 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:27 and will set at 21:53 on the beach(es) of Donegal. The outside temperature will be a high of 61°F t and a low of 56°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 21.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)13°C (56°F)14°C (56°F)16°C (60°F)16°C (61°F)14°C (57°F)15°C (59°F)13°C (55°F)
Perceived temperature12°C (54°F)13°C (55°F)13°C (55°F)16°C (60°F)16°C (61°F)12°C (54°F)14°C (57°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%92%91%79%72%66%75%89%
Barometric pressure1033 hPa1033 hPa1033 hPa1034 hPa1034 hPa1034 hPa1034 hPa1034 hPa
Cloud cover85%36%52%44%11%0%43%22%
Heat index14°C (56°F)13°C (56°F)14°C (56°F)16°C (60°F)16°C (61°F)14°C (57°F)15°C (59°F)13°C (55°F)
Dew point12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)11°C (52°F)8°C (46°F)10°C (51°F)11°C (52°F)
Wind
Speed13km/h (8mph)11km/h (7mph)12km/h (7mph)11km/h (7mph)18km/h (11mph)17km/h (11mph)17km/h (11mph)13km/h (8mph)
Gusts20km/h (13mph)17km/h (11mph)17km/h (10mph)14km/h (9mph)25km/h (16mph)35km/h (22mph)25km/h (16mph)21km/h (13mph)
Direction 346°
NNW
345°
NNW

N
352°
N
331°
NNW
327°
NNW
333°
NNW
339°
NNW
Wind chill12°C (54°F)13°C (55°F)13°C (55°F)16°C (60°F)16°C (61°F)12°C (54°F)14°C (57°F)12°C (53°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)
Direction 280°
W
280°
W
279°
W
279°
W
279°
W
279°
W
279°
W
279°
W
Period10.1 sec.9.0 sec.8.9 sec.9.7 sec.9.6 sec.9.6 sec.9.5 sec.9.5 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:29 and will set at 21:52 on the beach(es) of Donegal. The outside temperature will be a high of 61°F t and a low of 56°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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (55°F)14°C (57°F)15°C (59°F)16°C (61°F)15°C (59°F)14°C (58°F)13°C (56°F)
Perceived temperature12°C (53°F)12°C (53°F)13°C (55°F)15°C (59°F)16°C (61°F)15°C (59°F)13°C (56°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%86%90%85%78%88%86%81%
Barometric pressure1033 hPa1032 hPa1031 hPa1030 hPa1030 hPa1029 hPa1028 hPa1028 hPa
Cloud cover87%87%100%84%53%100%99%99%
Heat index13°C (56°F)13°C (55°F)14°C (57°F)15°C (59°F)16°C (61°F)15°C (59°F)14°C (58°F)13°C (56°F)
Dew point10°C (51°F)11°C (51°F)12°C (54°F)13°C (55°F)12°C (54°F)13°C (56°F)12°C (54°F)10°C (50°F)
Wind
Speed19km/h (12mph)13km/h (8mph)12km/h (7mph)14km/h (9mph)18km/h (11mph)16km/h (10mph)17km/h (11mph)16km/h (10mph)
Gusts27km/h (17mph)20km/h (12mph)17km/h (10mph)19km/h (12mph)22km/h (14mph)22km/h (14mph)25km/h (16mph)24km/h (15mph)
Direction 350°
N
336°
NNW
320°
NW
319°
NW
310°
NW
312°
NW
326°
NW
339°
NNW
Wind chill12°C (53°F)12°C (53°F)13°C (55°F)15°C (59°F)16°C (61°F)15°C (59°F)13°C (56°F)12°C (53°F)
Waves
Height0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 279°
W
278°
W
278°
W
278°
W
278°
W
278°
W
278°
W
278°
W
Period9.5 sec.9.5 sec.9.4 sec.9.3 sec.9.2 sec.9.1 sec.9.0 sec.8.9 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:30 and will set at 21:50 on the beach(es) of Donegal. The outside temperature will be a high of 61°F t and a low of 56°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 12.4mph km/h (with gusts up to 21.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)14°C (57°F)15°C (60°F)15°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)
Perceived temperature12°C (54°F)12°C (53°F)13°C (56°F)15°C (60°F)13°C (56°F)12°C (54°F)12°C (54°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%90%87%83%71%68%77%87%
Barometric pressure1028 hPa1027 hPa1026 hPa1027 hPa1026 hPa1026 hPa1025 hPa1024 hPa
Cloud cover60%66%77%82%1%2%5%93%
Heat index13°C (55°F)13°C (55°F)14°C (57°F)15°C (60°F)15°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)
Dew point10°C (50°F)11°C (52°F)12°C (53°F)13°C (55°F)9°C (49°F)8°C (46°F)10°C (50°F)12°C (53°F)
Wind
Speed12km/h (7mph)11km/h (7mph)10km/h (6mph)11km/h (7mph)16km/h (10mph)18km/h (11mph)20km/h (12mph)16km/h (10mph)
Gusts19km/h (12mph)18km/h (11mph)14km/h (9mph)15km/h (9mph)29km/h (18mph)24km/h (15mph)35km/h (22mph)24km/h (15mph)
Direction 325°
NW
317°
NW
323°
NW
299°
WNW
275°
W
273°
W
279°
W
279°
W
Wind chill12°C (54°F)12°C (53°F)13°C (56°F)15°C (60°F)13°C (56°F)12°C (54°F)12°C (54°F)13°C (55°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 278°
W
278°
W
278°
W
278°
W
278°
W
277°
W
277°
W
277°
W
Period8.8 sec.8.7 sec.8.5 sec.8.4 sec.8.4 sec.8.4 sec.8.3 sec.8.3 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:32 and will set at 21:49 on the beach(es) of Donegal. The outside temperature will be a high of 61°F t and a low of 56°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 16.8mph km/h (with gusts up to 23.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)13°C (55°F)14°C (56°F)15°C (60°F)16°C (60°F)16°C (60°F)15°C (59°F)14°C (58°F)
Perceived temperature12°C (54°F)11°C (53°F)12°C (54°F)15°C (60°F)16°C (60°F)16°C (60°F)13°C (56°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%93%90%79%73%76%83%88%
Barometric pressure1023 hPa1022 hPa1021 hPa1020 hPa1019 hPa1018 hPa1017 hPa1016 hPa
Cloud cover33%41%46%12%14%50%64%100%
Heat index14°C (56°F)13°C (55°F)14°C (56°F)15°C (60°F)16°C (60°F)16°C (60°F)15°C (59°F)14°C (58°F)
Dew point11°C (51°F)12°C (53°F)12°C (54°F)12°C (53°F)11°C (52°F)11°C (52°F)12°C (54°F)12°C (54°F)
Wind
Speed16km/h (10mph)17km/h (10mph)17km/h (11mph)22km/h (14mph)24km/h (15mph)27km/h (17mph)26km/h (16mph)22km/h (14mph)
Gusts26km/h (16mph)26km/h (16mph)24km/h (15mph)28km/h (17mph)34km/h (21mph)38km/h (23mph)38km/h (23mph)33km/h (20mph)
Direction 266°
W
261°
W
250°
WSW
249°
WSW
262°
W
265°
W
263°
W
260°
W
Wind chill12°C (54°F)11°C (53°F)12°C (54°F)15°C (60°F)16°C (60°F)16°C (60°F)13°C (56°F)13°C (55°F)
Waves
Height0.2m (0.8ft)0.3m (1.1ft)0.5m (1.5ft)0.6m (1.9ft)0.6m (2.0ft)0.7m (2.4ft)0.8m (2.6ft)1.0m (3.1ft)
Direction 276°
W
281°
WNW
287°
WNW
287°
WNW
287°
WNW
288°
WNW
288°
WNW
290°
WNW
Period9.2 sec.8.1 sec.8.1 sec.9.2 sec.9.6 sec.8.5 sec.7.8 sec.10.5 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 05:34 and will set at 21:47 on the beach(es) of Donegal. The outside temperature will be a high of 58°F t and a low of 56°F. Precipitation is in the forecast (0.4in 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 32.3mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)13°C (56°F)14°C (56°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (57°F)14°C (58°F)
Perceived temperature12°C (54°F)11°C (51°F)11°C (52°F)12°C (54°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (54°F)
Precipitation0in0.1in0.1in0.1in0in0in0in0in
Humidity88%92%96%97%95%93%96%97%
Barometric pressure1014 hPa1011 hPa1008 hPa1006 hPa1006 hPa1007 hPa1007 hPa1006 hPa
Cloud cover60%100%100%100%100%100%100%100%
Heat index14°C (58°F)13°C (56°F)14°C (56°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (57°F)14°C (58°F)
Dew point12°C (54°F)12°C (53°F)13°C (55°F)14°C (57°F)14°C (56°F)13°C (56°F)13°C (56°F)14°C (57°F)
Wind
Speed26km/h (16mph)35km/h (21mph)35km/h (22mph)35km/h (22mph)29km/h (18mph)25km/h (16mph)23km/h (15mph)23km/h (14mph)
Gusts38km/h (23mph)50km/h (31mph)50km/h (31mph)52km/h (32mph)43km/h (27mph)37km/h (23mph)36km/h (22mph)35km/h (22mph)
Direction 245°
WSW
246°
WSW
245°
WSW
263°
W
279°
W
273°
W
266°
W
255°
WSW
Wind chill12°C (54°F)11°C (51°F)11°C (52°F)12°C (54°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (54°F)
Waves
Height1.0m (3.2ft)1.0m (3.2ft)1.0m (3.4ft)1.1m (3.5ft)1.1m (3.5ft)1.2m (3.8ft)1.2m (4.0ft)1.3m (4.3ft)
Direction 297°
WNW
299°
WNW
298°
WNW
298°
WNW
294°
WNW
290°
WNW
293°
WNW
286°
WNW
Period9.5 sec.11.2 sec.11.4 sec.11.0 sec.9.1 sec.10.4 sec.10.4 sec.10.4 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.5m (4.9ft)1.3m (4.3ft)1.4m (4.6ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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