Sea weather in Achill Island in Ireland All the beach weather in Achill Island

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

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

Date Outside temp. Our opinion
Monday 20 July 202658°F to 59°Fdiscouraged
Tuesday 21 July 202654°F to 58°Fdiscouraged
Wednesday 22 July 202658°F to 59°Fdiscouraged
Thursday 23 July 202654°F to 59°Frecommended
Friday 24 July 202658°F to 59°Frecommended
Saturday 25 July 202659°F to 59°Fdiscouraged
Sunday 26 July 202658°F to 59°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Achill Island

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:35 and will set at 21:59 on the beach(es) of Achill Island. The outside temperature will be a high of 59°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 16.2mph km/h (with gusts up to 24.2mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)15°C (58°F)15°C (58°F)15°C (58°F)14°C (57°F)14°C (58°F)14°C (58°F)15°C (59°F)
Perceived temperature13°C (55°F)13°C (56°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%87%86%86%83%81%81%78%
Barometric pressure1031 hPa1031 hPa1032 hPa1033 hPa1033 hPa1033 hPa1033 hPa1034 hPa
Cloud cover81%84%84%92%69%79%83%87%
Heat index14°C (58°F)15°C (58°F)15°C (58°F)15°C (58°F)14°C (57°F)14°C (58°F)14°C (58°F)15°C (59°F)
Dew point14°C (56°F)13°C (55°F)12°C (54°F)12°C (54°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)
Wind
Speed22km/h (14mph)23km/h (14mph)21km/h (13mph)22km/h (14mph)24km/h (15mph)25km/h (15mph)26km/h (16mph)26km/h (16mph)
Gusts32km/h (20mph)33km/h (21mph)31km/h (19mph)32km/h (20mph)35km/h (22mph)37km/h (23mph)39km/h (24mph)38km/h (24mph)
Direction 14°
NNE
13°
NNE
13°
NNE
10°
N

N

N
15°
NNE
26°
NNE
Wind chill13°C (55°F)13°C (56°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)13°C (56°F)
Waves
Height0.8m (2.7ft)0.8m (2.8ft)0.8m (2.8ft)0.9m (2.8ft)0.9m (3.0ft)1.0m (3.2ft)1.0m (3.4ft)1.0m (3.3ft)
Direction 276°
W
277°
W
276°
W
275°
W
275°
W
277°
W
276°
W
274°
W
Period10.9 sec.10.6 sec.10.6 sec.10.9 sec.10.7 sec.10.5 sec.10.3 sec.10.1 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:36 and will set at 21:58 on the beach(es) of Achill Island. 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 16.8mph km/h (with gusts up to 26.7mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)14°C (57°F)14°C (58°F)14°C (57°F)13°C (56°F)14°C (57°F)14°C (57°F)
Perceived temperature13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)11°C (52°F)12°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%93%91%87%80%84%85%90%
Barometric pressure1034 hPa1034 hPa1035 hPa1035 hPa1036 hPa1035 hPa1035 hPa1035 hPa
Cloud cover46%58%44%22%11%7%30%34%
Heat index14°C (58°F)14°C (58°F)14°C (57°F)14°C (58°F)14°C (57°F)13°C (56°F)14°C (57°F)14°C (57°F)
Dew point13°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)10°C (51°F)11°C (51°F)11°C (52°F)12°C (54°F)
Wind
Speed24km/h (15mph)25km/h (16mph)25km/h (16mph)27km/h (17mph)27km/h (17mph)26km/h (16mph)23km/h (15mph)23km/h (14mph)
Gusts34km/h (21mph)35km/h (22mph)35km/h (22mph)37km/h (23mph)42km/h (26mph)43km/h (27mph)37km/h (23mph)33km/h (21mph)
Direction 13°
NNE
17°
NNE
19°
NNE
15°
NNE
14°
NNE
12°
NNE

N
10°
N
Wind chill13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)11°C (52°F)12°C (53°F)12°C (54°F)
Waves
Height1.0m (3.3ft)1.0m (3.1ft)0.9m (3.0ft)0.9m (2.9ft)0.9m (2.8ft)0.8m (2.7ft)0.8m (2.5ft)0.7m (2.5ft)
Direction 277°
W
276°
W
276°
W
275°
W
274°
W
274°
W
275°
W
275°
W
Period9.5 sec.9.3 sec.9.2 sec.9.7 sec.9.7 sec.9.7 sec.9.6 sec.9.6 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:38 and will set at 21:56 on the beach(es) of Achill Island. The outside temperature will be a high of 59°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 15.5mph km/h (with gusts up to 21.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (56°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)15°C (58°F)
Perceived temperature12°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)14°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%79%82%86%86%87%86%88%
Barometric pressure1034 hPa1033 hPa1032 hPa1032 hPa1032 hPa1031 hPa1030 hPa1030 hPa
Cloud cover74%93%100%82%22%19%10%7%
Heat index14°C (57°F)14°C (56°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)15°C (58°F)
Dew point11°C (51°F)10°C (50°F)11°C (51°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)13°C (55°F)
Wind
Speed25km/h (16mph)25km/h (15mph)22km/h (14mph)22km/h (13mph)20km/h (13mph)21km/h (13mph)19km/h (12mph)16km/h (10mph)
Gusts34km/h (21mph)34km/h (21mph)30km/h (19mph)30km/h (19mph)30km/h (19mph)34km/h (21mph)34km/h (21mph)24km/h (15mph)
Direction 11°
N
12°
NNE
19°
NNE
14°
NNE

N

N
13°
NNE
18°
NNE
Wind chill12°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)14°C (56°F)
Waves
Height0.8m (2.5ft)0.8m (2.5ft)0.8m (2.5ft)0.7m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.3ft)
Direction 276°
W
283°
WNW
284°
WNW
281°
W
277°
W
274°
W
273°
W
274°
W
Period9.5 sec.9.5 sec.9.4 sec.6.8 sec.7.2 sec.9.0 sec.8.9 sec.8.8 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:39 and will set at 21:55 on the beach(es) of Achill Island. 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 9.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)15°C (58°F)15°C (58°F)15°C (59°F)15°C (59°F)15°C (59°F)12°C (54°F)15°C (59°F)
Perceived temperature14°C (56°F)14°C (57°F)14°C (57°F)15°C (58°F)14°C (58°F)14°C (57°F)10°C (51°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%92%92%90%87%85%82%84%
Barometric pressure1029 hPa1028 hPa1028 hPa1028 hPa1028 hPa1027 hPa1026 hPa1026 hPa
Cloud cover21%38%35%26%15%10%1%0%
Heat index15°C (58°F)15°C (58°F)15°C (58°F)15°C (59°F)15°C (59°F)15°C (59°F)12°C (54°F)15°C (59°F)
Dew point13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)9°C (48°F)12°C (54°F)
Wind
Speed14km/h (9mph)13km/h (8mph)10km/h (6mph)9km/h (6mph)11km/h (7mph)14km/h (9mph)15km/h (10mph)11km/h (7mph)
Gusts22km/h (14mph)20km/h (12mph)15km/h (10mph)13km/h (8mph)17km/h (11mph)23km/h (14mph)33km/h (20mph)17km/h (10mph)
Direction 23°
NNE
30°
NNE
19°
NNE
12°
NNE
340°
NNW
320°
NW
329°
NNW
336°
NNW
Wind chill14°C (56°F)14°C (57°F)14°C (57°F)15°C (58°F)14°C (58°F)14°C (57°F)10°C (51°F)15°C (58°F)
Waves
Height0.7m (2.3ft)0.7m (2.4ft)0.7m (2.3ft)0.6m (2.1ft)0.6m (1.9ft)0.6m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)
Direction 277°
W
336°
NNW
325°
NW
324°
NW
331°
NNW
330°
NNW
329°
NNW
327°
NNW
Period8.7 sec.8.5 sec.5.5 sec.5.9 sec.6.0 sec.5.9 sec.5.9 sec.5.8 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:41 and will set at 21:53 on the beach(es) of Achill Island. The outside temperature will be a high of 59°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 11.2mph km/h (with gusts up to 16.8mph). Wave height will be up to 2.6ft 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)15°C (58°F)14°C (58°F)14°C (58°F)15°C (58°F)15°C (59°F)
Perceived temperature14°C (58°F)14°C (57°F)14°C (56°F)14°C (57°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%87%89%90%87%88%90%89%
Barometric pressure1025 hPa1024 hPa1023 hPa1023 hPa1022 hPa1021 hPa1020 hPa1020 hPa
Cloud cover0%2%16%23%18%22%31%16%
Heat index15°C (58°F)15°C (58°F)14°C (58°F)15°C (58°F)14°C (58°F)14°C (58°F)15°C (58°F)15°C (59°F)
Dew point12°C (54°F)12°C (54°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)13°C (55°F)13°C (56°F)
Wind
Speed10km/h (6mph)11km/h (7mph)13km/h (8mph)15km/h (9mph)18km/h (11mph)17km/h (11mph)17km/h (11mph)17km/h (11mph)
Gusts16km/h (10mph)16km/h (10mph)18km/h (11mph)21km/h (13mph)27km/h (17mph)27km/h (17mph)27km/h (17mph)27km/h (17mph)
Direction 304°
WNW
292°
WNW
276°
W
257°
WSW
265°
W
269°
W
286°
WNW
299°
WNW
Wind chill14°C (58°F)14°C (57°F)14°C (56°F)14°C (57°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)
Waves
Height0.5m (1.6ft)0.5m (1.8ft)0.7m (2.2ft)0.8m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.8ft)
Direction 302°
WNW
298°
WNW
301°
WNW
302°
WNW
298°
WNW
293°
WNW
292°
WNW
293°
WNW
Period5.7 sec.5.6 sec.7.7 sec.9.5 sec.8.9 sec.8.3 sec.8.0 sec.7.0 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.2m (3.9ft)0.8m (2.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 05:42 and will set at 21:52 on the beach(es) of Achill Island. The outside temperature will be a high of 59°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 14.9mph km/h (with gusts up to 21.1mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)15°C (58°F)15°C (58°F)15°C (58°F)15°C (59°F)
Perceived temperature14°C (57°F)15°C (59°F)14°C (56°F)13°C (55°F)13°C (56°F)13°C (56°F)14°C (57°F)14°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%87%86%92%94%94%92%92%
Barometric pressure1019 hPa1018 hPa1017 hPa1017 hPa1017 hPa1017 hPa1017 hPa1017 hPa
Cloud cover48%58%85%100%100%100%81%53%
Heat index15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)15°C (58°F)15°C (58°F)15°C (58°F)15°C (59°F)
Dew point13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)14°C (57°F)13°C (56°F)14°C (56°F)
Wind
Speed19km/h (12mph)22km/h (14mph)23km/h (14mph)24km/h (15mph)21km/h (13mph)20km/h (13mph)16km/h (10mph)18km/h (11mph)
Gusts29km/h (18mph)34km/h (21mph)34km/h (21mph)34km/h (21mph)31km/h (19mph)31km/h (19mph)25km/h (15mph)27km/h (17mph)
Direction 297°
WNW
294°
WNW
285°
WNW
299°
WNW
303°
WNW
296°
WNW
288°
WNW
275°
W
Wind chill14°C (57°F)15°C (59°F)14°C (56°F)13°C (55°F)13°C (56°F)13°C (56°F)14°C (57°F)14°C (56°F)
Waves
Height0.9m (3.0ft)1.0m (3.2ft)1.1m (3.5ft)1.2m (3.9ft)1.5m (4.9ft)1.9m (6.2ft)2.0m (6.7ft)2.0m (6.7ft)
Direction 296°
WNW
304°
NW
309°
NW
308°
NW
306°
NW
296°
WNW
300°
WNW
299°
WNW
Period6.6 sec.6.8 sec.7.8 sec.10.2 sec.10.4 sec.11.4 sec.12.2 sec.12.1 sec.
Significant height0.6m (2ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.3m (4.3ft)1.3m (4.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Sunday 26 July 2026

On Sunday 26 July 2026, the sun will rise at 05:44 and will set at 21:50 on the beach(es) of Achill Island. The outside temperature will be a high of 59°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 14.3mph km/h (with gusts up to 24.9mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (58°F)15°C (58°F)15°C (59°F)14°C (57°F)14°C (58°F)14°C (58°F)15°C (58°F)
Perceived temperature14°C (56°F)13°C (56°F)13°C (56°F)14°C (56°F)12°C (53°F)13°C (55°F)13°C (55°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%95%92%88%86%87%90%91%
Barometric pressure1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa
Cloud cover57%93%34%6%2%12%29%25%
Heat index15°C (59°F)15°C (58°F)15°C (58°F)15°C (59°F)14°C (57°F)14°C (58°F)14°C (58°F)15°C (58°F)
Dew point14°C (57°F)14°C (57°F)13°C (56°F)13°C (55°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (56°F)
Wind
Speed18km/h (11mph)22km/h (14mph)21km/h (13mph)21km/h (13mph)23km/h (15mph)23km/h (15mph)20km/h (13mph)18km/h (11mph)
Gusts27km/h (17mph)32km/h (20mph)30km/h (19mph)31km/h (19mph)29km/h (18mph)40km/h (25mph)32km/h (20mph)27km/h (17mph)
Direction 271°
W
269°
W
269°
W
254°
WSW
254°
WSW
270°
W
270°
W
265°
W
Wind chill14°C (56°F)13°C (56°F)13°C (56°F)14°C (56°F)12°C (53°F)13°C (55°F)13°C (55°F)13°C (56°F)
Waves
Height2.0m (6.6ft)2.0m (6.5ft)2.0m (6.4ft)1.9m (6.2ft)1.8m (5.9ft)1.8m (6.1ft)1.9m (6.2ft)1.9m (6.1ft)
Direction 295°
WNW
294°
WNW
293°
WNW
292°
WNW
292°
WNW
292°
WNW
293°
WNW
292°
WNW
Period12.1 sec.11.2 sec.10.8 sec.10.4 sec.9.3 sec.10.9 sec.10.5 sec.9.8 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)1.2m (3.9ft)1.3m (4.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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