Sea weather in Arklow in Ireland All the beach weather in Arklow

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

Discover the best moment to go to the beach in Arklow in Ireland this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Arklow. 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 52°Fnot recommended
Saturday 6 December 202547°F to 50°Fnot recommended
Sunday 7 December 202540°F to 52°Fdiscouraged
Monday 8 December 202547°F to 54°Fdiscouraged
Tuesday 9 December 202549°F to 50°Fdiscouraged
Wednesday 10 December 202545°F to 49°Fdiscouraged
Thursday 11 December 202550°F to 52°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Arklow

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 08:19 and will set at 16:11 on the beach(es) of Arklow. The outside temperature will be a high of 52°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 38.5mph km/h (with gusts up to 41.6mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (42°F)8°C (47°F)9°C (48°F)9°C (47°F)11°C (52°F)10°C (49°F)9°C (48°F)
Perceived temperature3°C (38°F)3°C (37°F)5°C (40°F)4°C (39°F)3°C (38°F)7°C (45°F)6°C (42°F)5°C (40°F)
Precipitation0in0in0in0in0.2in0in0in0in
Humidity84%84%75%81%92%86%88%84%
Barometric pressure1001 hPa1001 hPa999 hPa996 hPa989 hPa982 hPa981 hPa982 hPa
Cloud cover41%23%100%98%100%80%100%100%
Heat index6°C (43°F)6°C (42°F)8°C (47°F)9°C (48°F)9°C (47°F)11°C (52°F)10°C (49°F)9°C (48°F)
Dew point4°C (39°F)3°C (38°F)4°C (39°F)6°C (42°F)7°C (45°F)9°C (48°F)8°C (46°F)7°C (44°F)
Wind
Speed16km/h (10mph)15km/h (9mph)25km/h (16mph)45km/h (28mph)62km/h (38mph)42km/h (26mph)39km/h (24mph)42km/h (26mph)
Gusts26km/h (16mph)27km/h (17mph)41km/h (26mph)46km/h (29mph)67km/h (42mph)42km/h (26mph)45km/h (28mph)43km/h (27mph)
Direction 243°
WSW
233°
SW
188°
S
174°
S
151°
SSE
201°
SSW
212°
SSW
225°
SW
Wind chill3°C (38°F)3°C (37°F)5°C (40°F)4°C (39°F)3°C (38°F)7°C (45°F)6°C (42°F)5°C (40°F)
Waves
Height0.5m (1.6ft)0.5m (1.5ft)0.5m (1.6ft)1.3m (4.3ft)2.2m (7.4ft)2.5m (8.1ft)1.8m (5.9ft)1.5m (4.9ft)
Direction 175°
S
177°
S
178°
S
182°
S
162°
SSE
158°
SSE
159°
SSE
159°
SSE
Period8.8 sec.8.9 sec.8.9 sec.4.7 sec.6.4 sec.8.1 sec.8.8 sec.8.6 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.4m (4.6ft)2.2m (7.2ft)1.6m (5.2ft)1.2m (3.9ft)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 08:20 and will set at 16:10 on the beach(es) of Arklow. The outside temperature will be a high of 50°F t and a low of 47°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 26.7mph km/h (with gusts up to 29.8mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)8°C (47°F)9°C (48°F)10°C (50°F)10°C (49°F)10°C (50°F)10°C (49°F)9°C (49°F)
Perceived temperature7°C (44°F)4°C (40°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%90%90%85%82%82%83%78%
Barometric pressure980 hPa983 hPa984 hPa988 hPa991 hPa992 hPa996 hPa1000 hPa
Cloud cover100%83%89%100%100%100%81%93%
Heat index10°C (49°F)8°C (47°F)9°C (48°F)10°C (50°F)10°C (49°F)10°C (50°F)10°C (49°F)9°C (49°F)
Dew point8°C (46°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (45°F)7°C (44°F)6°C (42°F)
Wind
Speed24km/h (15mph)27km/h (17mph)25km/h (16mph)40km/h (25mph)38km/h (24mph)43km/h (27mph)37km/h (23mph)31km/h (19mph)
Gusts35km/h (22mph)42km/h (26mph)37km/h (23mph)46km/h (29mph)42km/h (26mph)48km/h (30mph)41km/h (25mph)47km/h (29mph)
Direction 232°
SW
237°
WSW
231°
SW
255°
WSW
245°
WSW
249°
WSW
257°
WSW
253°
WSW
Wind chill7°C (44°F)4°C (40°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)
Waves
Height1.5m (5.1ft)1.6m (5.4ft)1.6m (5.4ft)1.8m (5.8ft)1.6m (5.3ft)1.4m (4.7ft)1.5m (4.8ft)1.3m (4.2ft)
Direction 173°
S
177°
S
177°
S
178°
S
176°
S
173°
S
173°
S
171°
S
Period8.6 sec.9.4 sec.10.3 sec.9.3 sec.10.2 sec.10.1 sec.9.4 sec.9.3 sec.
Significant height1.2m (3.9ft)1.4m (4.6ft)1.5m (4.9ft)1.7m (5.6ft)1.3m (4.3ft)1.2m (3.9ft)1.4m (4.6ft)1.0m (3.3ft)
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 Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 08:22 and will set at 16:10 on the beach(es) of Arklow. The outside temperature will be a high of 52°F t and a low of 40°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 27.3mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)8°C (47°F)10°C (50°F)11°C (51°F)11°C (52°F)10°C (50°F)7°C (45°F)7°C (45°F)
Perceived temperature6°C (42°F)6°C (42°F)8°C (46°F)8°C (46°F)9°C (48°F)6°C (44°F)4°C (38°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%90%93%97%98%82%83%88%
Barometric pressure1001 hPa1000 hPa997 hPa995 hPa993 hPa998 hPa1001 hPa1004 hPa
Cloud cover8%15%100%100%100%29%5%3%
Heat index9°C (47°F)8°C (47°F)10°C (50°F)11°C (51°F)11°C (52°F)10°C (50°F)7°C (45°F)7°C (45°F)
Dew point6°C (43°F)7°C (44°F)9°C (49°F)10°C (51°F)11°C (52°F)7°C (45°F)4°C (40°F)6°C (42°F)
Wind
Speed19km/h (12mph)15km/h (9mph)19km/h (12mph)29km/h (18mph)19km/h (12mph)31km/h (19mph)22km/h (13mph)14km/h (9mph)
Gusts31km/h (19mph)27km/h (17mph)31km/h (19mph)44km/h (27mph)32km/h (20mph)34km/h (21mph)26km/h (16mph)26km/h (16mph)
Direction 230°
SW
218°
SW
162°
SSE
145°
SE
248°
WSW
276°
W
265°
W
236°
WSW
Wind chill6°C (42°F)6°C (42°F)8°C (46°F)8°C (46°F)9°C (48°F)6°C (44°F)4°C (38°F)5°C (41°F)
Waves
Height1.0m (3.3ft)0.8m (2.7ft)0.9m (3.1ft)1.3m (4.1ft)1.1m (3.7ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 170°
S
170°
S
169°
SSE
167°
SSE
167°
SSE
165°
SSE
165°
SSE
166°
SSE
Period9.1 sec.9.1 sec.19.6 sec.19.6 sec.8.0 sec.8.6 sec.9.0 sec.9.7 sec.
Significant height1.4m (4.6ft)1.2m (3.9ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.7m (5.6ft)1.7m (5.6ft)0.8m (2.6ft)
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 08:23 and will set at 16:10 on the beach(es) of Arklow. The outside temperature will be a high of 54°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. The sea will be generally calm, with a wind speed of up to 21.8mph km/h (with gusts up to 30.5mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)11°C (51°F)12°C (53°F)10°C (50°F)11°C (51°F)11°C (51°F)10°C (49°F)10°C (49°F)
Perceived temperature6°C (42°F)7°C (45°F)8°C (47°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity87%91%86%91%88%89%95%92%
Barometric pressure1004 hPa1003 hPa1001 hPa1003 hPa1004 hPa1003 hPa1003 hPa1003 hPa
Cloud cover26%100%82%27%14%100%100%100%
Heat index8°C (46°F)11°C (51°F)12°C (53°F)10°C (50°F)11°C (51°F)11°C (51°F)10°C (49°F)10°C (49°F)
Dew point6°C (43°F)9°C (48°F)9°C (49°F)9°C (48°F)9°C (47°F)9°C (48°F)9°C (48°F)8°C (47°F)
Wind
Speed13km/h (8mph)32km/h (20mph)35km/h (21mph)24km/h (15mph)19km/h (12mph)19km/h (12mph)20km/h (13mph)11km/h (7mph)
Gusts23km/h (14mph)49km/h (30mph)38km/h (23mph)40km/h (25mph)31km/h (19mph)32km/h (20mph)33km/h (20mph)18km/h (11mph)
Direction 205°
SSW
179°
S
201°
SSW
227°
SW
216°
SW
200°
SSW
213°
SSW
212°
SSW
Wind chill6°C (42°F)7°C (45°F)8°C (47°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)
Waves
Height1.1m (3.5ft)1.1m (3.6ft)1.2m (4.0ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.5ft)1.1m (3.6ft)1.2m (3.9ft)
Direction 168°
SSE
168°
SSE
168°
SSE
169°
S
170°
S
165°
SSE
165°
SSE
165°
SSE
Period10.7 sec.10.9 sec.10.9 sec.10.8 sec.10.7 sec.10.4 sec.10.4 sec.21.5 sec.
Significant height0.3m (1ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)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 Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 08:24 and will set at 16:09 on the beach(es) of Arklow. 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 28.6mph). Wave height will be up to 11.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)10°C (49°F)10°C (50°F)10°C (50°F)10°C (51°F)10°C (51°F)10°C (49°F)9°C (49°F)
Perceived temperature7°C (45°F)9°C (47°F)9°C (48°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (47°F)6°C (43°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity91%92%96%98%98%98%94%93%
Barometric pressure1004 hPa1002 hPa1000 hPa996 hPa992 hPa989 hPa990 hPa992 hPa
Cloud cover57%100%100%100%100%100%100%100%
Heat index9°C (49°F)10°C (49°F)10°C (50°F)10°C (50°F)10°C (51°F)10°C (51°F)10°C (49°F)9°C (49°F)
Dew point8°C (46°F)8°C (47°F)9°C (49°F)10°C (50°F)10°C (50°F)10°C (50°F)9°C (48°F)8°C (47°F)
Wind
Speed13km/h (8mph)9km/h (5mph)8km/h (5mph)21km/h (13mph)30km/h (18mph)18km/h (11mph)10km/h (6mph)25km/h (16mph)
Gusts21km/h (13mph)14km/h (9mph)12km/h (7mph)31km/h (19mph)46km/h (29mph)29km/h (18mph)17km/h (11mph)36km/h (23mph)
Direction 208°
SSW
181°
S
128°
SE
50°
NE
45°
NE
356°
N
278°
W
287°
WNW
Wind chill7°C (45°F)9°C (47°F)9°C (48°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (47°F)6°C (43°F)
Waves
Height1.1m (3.5ft)1.0m (3.4ft)1.1m (3.6ft)1.8m (5.9ft)2.4m (8.0ft)2.8m (9.3ft)3.3m (10.7ft)3.6m (11.7ft)
Direction 165°
SSE
165°
SSE
165°
SSE
159°
SSE
163°
SSE
162°
SSE
159°
SSE
167°
SSE
Period21.4 sec.21.2 sec.21.2 sec.5.5 sec.7.7 sec.9.3 sec.9.9 sec.11.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.7m (5.6ft)2.0m (6.6ft)2.1m (6.9ft)2.7m (8.9ft)2.9m (9.5ft)
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 Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 08:25 and will set at 16:09 on the beach(es) of Arklow. 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 29.2mph). Wave height will be up to 11.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (49°F)8°C (47°F)7°C (44°F)9°C (47°F)
Perceived temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (42°F)4°C (39°F)3°C (37°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%89%89%85%81%78%86%88%
Barometric pressure996 hPa998 hPa998 hPa998 hPa1001 hPa1004 hPa1008 hPa1009 hPa
Cloud cover100%61%59%69%81%9%9%20%
Heat index9°C (49°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (49°F)8°C (47°F)7°C (44°F)9°C (47°F)
Dew point7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)6°C (43°F)5°C (40°F)4°C (40°F)7°C (44°F)
Wind
Speed21km/h (13mph)21km/h (13mph)19km/h (12mph)25km/h (16mph)32km/h (20mph)34km/h (21mph)22km/h (13mph)25km/h (15mph)
Gusts31km/h (19mph)33km/h (21mph)33km/h (20mph)41km/h (25mph)47km/h (29mph)40km/h (25mph)23km/h (14mph)41km/h (25mph)
Direction 260°
W
235°
SW
222°
SW
230°
SW
252°
WSW
256°
WSW
235°
SW
224°
SW
Wind chill6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (42°F)4°C (39°F)3°C (37°F)5°C (41°F)
Waves
Height3.4m (11.1ft)2.7m (8.9ft)2.3m (7.6ft)2.0m (6.6ft)1.9m (6.2ft)1.6m (5.3ft)1.4m (4.5ft)1.2m (3.9ft)
Direction 171°
S
173°
S
175°
S
174°
S
175°
S
175°
S
175°
S
175°
S
Period12.8 sec.14.6 sec.15.4 sec.15.3 sec.14.6 sec.14.4 sec.13.1 sec.8.7 sec.
Significant height2.4m (7.9ft)1.4m (4.6ft)1.2m (3.9ft)1.0m (3.3ft)1.2m (3.9ft)1.6m (5.2ft)1.3m (4.3ft)1.5m (4.9ft)
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 Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 08:26 and will set at 16:09 on the beach(es) of Arklow. The outside temperature will be a high of 52°F t and a low of 50°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 34.2mph km/h (with gusts up to 35.4mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (52°F)
Perceived temperature7°C (44°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity87%87%86%88%89%92%93%93%
Barometric pressure1010 hPa1009 hPa1008 hPa1008 hPa1007 hPa1006 hPa1007 hPa1007 hPa
Cloud cover74%84%100%100%100%100%100%100%
Heat index10°C (50°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (52°F)
Dew point8°C (46°F)9°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (49°F)10°C (49°F)10°C (50°F)
Wind
Speed31km/h (19mph)36km/h (22mph)42km/h (26mph)47km/h (29mph)47km/h (29mph)55km/h (34mph)43km/h (27mph)40km/h (25mph)
Gusts47km/h (29mph)36km/h (23mph)45km/h (28mph)50km/h (31mph)52km/h (32mph)57km/h (35mph)48km/h (30mph)44km/h (27mph)
Direction 210°
SSW
204°
SSW
196°
SSW
196°
SSW
194°
SSW
186°
S
194°
SSW
192°
SSW
Wind chill7°C (44°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)
Waves
Height1.2m (3.9ft)1.8m (5.9ft)2.6m (8.6ft)1.7m (5.6ft)1.4m (4.6ft)1.2m (4.0ft)1.1m (3.7ft)1.4m (4.6ft)
Direction 173°
S
170°
S
167°
SSE
164°
SSE
167°
SSE
174°
S
175°
S
175°
S
Period8.7 sec.6.1 sec.8.0 sec.9.5 sec.9.9 sec.10.7 sec.10.5 sec.10.5 sec.
Significant height1.6m (5.2ft)1.6m (5.2ft)2.3m (7.5ft)0.8m (2.6ft)0.8m (2.6ft)0.5m (1.6ft)0.7m (2.3ft)1.2m (3.9ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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