Sea weather in Dundalk in Ireland All the beach weather in Dundalk

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

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

Date Outside temp. Our opinion
Wednesday 3 June 202650°F to 56°Fdiscouraged
Thursday 4 June 202650°F to 58°Fnot recommended
Friday 5 June 202645°F to 54°Fdiscouraged
Saturday 6 June 202650°F to 56°Fnot recommended
Sunday 7 June 202649°F to 59°Fdiscouraged
Monday 8 June 202650°F to 56°Fdiscouraged
Tuesday 9 June 202649°F to 58°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Dundalk

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 04:59 and will set at 21:49 on the beach(es) of Dundalk. The outside temperature will be a high of 56°F t and a low of 50°F. Precipitation is in the forecast (0.2in 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 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)10°C (50°F)11°C (52°F)12°C (54°F)13°C (56°F)12°C (54°F)13°C (55°F)12°C (54°F)
Perceived temperature9°C (47°F)8°C (47°F)9°C (47°F)9°C (48°F)11°C (51°F)10°C (49°F)10°C (49°F)9°C (49°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity94%93%93%96%88%87%86%88%
Barometric pressure1004 hPa1001 hPa997 hPa992 hPa990 hPa989 hPa988 hPa987 hPa
Cloud cover65%73%100%100%100%86%70%100%
Heat index11°C (52°F)10°C (50°F)11°C (52°F)12°C (54°F)13°C (56°F)12°C (54°F)13°C (55°F)12°C (54°F)
Dew point10°C (50°F)9°C (48°F)10°C (50°F)11°C (53°F)11°C (53°F)10°C (51°F)10°C (51°F)10°C (50°F)
Wind
Speed20km/h (13mph)14km/h (9mph)21km/h (13mph)34km/h (21mph)35km/h (21mph)33km/h (21mph)35km/h (22mph)31km/h (19mph)
Gusts32km/h (20mph)22km/h (14mph)29km/h (18mph)49km/h (30mph)52km/h (32mph)40km/h (25mph)39km/h (24mph)47km/h (29mph)
Direction 262°
W
229°
SW
165°
SSE
184°
S
229°
SW
228°
SW
233°
SW
218°
SW
Wind chill9°C (47°F)8°C (47°F)9°C (47°F)9°C (48°F)11°C (51°F)10°C (49°F)10°C (49°F)9°C (49°F)
Waves
Height0.4m (1.2ft)0.3m (0.9ft)0.3m (1.0ft)1.0m (3.4ft)1.0m (3.2ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)
Direction 248°
WSW
231°
SW
197°
SSW
161°
SSE
156°
SSE
183°
S
204°
SSW
199°
SSW
Period4.2 sec.4.3 sec.8.8 sec.8.8 sec.5.4 sec.5.4 sec.5.6 sec.4.8 sec.
Significant height0.7m (2.3ft)0.4m (1.3ft)0.5m (1.6ft)1.6m (5.2ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 04:58 and will set at 21:50 on the beach(es) of Dundalk. The outside temperature will be a high of 58°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 27.3mph km/h (with gusts up to 37.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (53°F)11°C (51°F)11°C (52°F)12°C (53°F)13°C (55°F)14°C (57°F)12°C (54°F)11°C (52°F)
Perceived temperature8°C (47°F)7°C (44°F)7°C (45°F)8°C (47°F)10°C (50°F)11°C (52°F)9°C (49°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%90%89%84%78%81%89%89%
Barometric pressure985 hPa985 hPa986 hPa988 hPa991 hPa993 hPa996 hPa1000 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index11°C (53°F)11°C (51°F)11°C (52°F)12°C (53°F)13°C (55°F)14°C (57°F)12°C (54°F)11°C (52°F)
Dew point10°C (51°F)9°C (48°F)9°C (49°F)9°C (49°F)9°C (49°F)11°C (51°F)11°C (51°F)9°C (48°F)
Wind
Speed35km/h (21mph)40km/h (25mph)44km/h (27mph)41km/h (26mph)35km/h (21mph)31km/h (19mph)37km/h (23mph)42km/h (26mph)
Gusts49km/h (30mph)56km/h (35mph)61km/h (38mph)58km/h (36mph)51km/h (31mph)47km/h (29mph)42km/h (26mph)47km/h (29mph)
Direction 216°
SW
250°
WSW
253°
WSW
272°
W
287°
WNW
271°
W
273°
W
275°
W
Wind chill8°C (47°F)7°C (44°F)7°C (45°F)8°C (47°F)10°C (50°F)11°C (52°F)9°C (49°F)7°C (45°F)
Waves
Height1.0m (3.4ft)0.9m (3.1ft)0.8m (2.8ft)0.7m (2.5ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.3ft)
Direction 193°
SSW
220°
SW
243°
WSW
250°
WSW
252°
WSW
257°
WSW
264°
W
277°
W
Period5.8 sec.5.1 sec.6.0 sec.5.7 sec.5.3 sec.5.5 sec.6.0 sec.5.9 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 04:57 and will set at 21:51 on the beach(es) of Dundalk. The outside temperature will be a high of 54°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 23mph km/h (with gusts up to 32.3mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)8°C (47°F)8°C (46°F)11°C (52°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (53°F)
Perceived temperature6°C (43°F)4°C (40°F)5°C (40°F)9°C (48°F)9°C (49°F)9°C (48°F)8°C (46°F)8°C (47°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%86%73%75%78%83%85%
Barometric pressure1002 hPa1004 hPa1006 hPa1007 hPa1007 hPa1006 hPa1005 hPa1005 hPa
Cloud cover100%22%18%74%77%100%62%62%
Heat index10°C (50°F)8°C (47°F)8°C (46°F)11°C (52°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (53°F)
Dew point7°C (45°F)6°C (42°F)6°C (42°F)6°C (43°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)
Wind
Speed37km/h (23mph)28km/h (18mph)22km/h (13mph)20km/h (12mph)21km/h (13mph)28km/h (18mph)32km/h (20mph)33km/h (21mph)
Gusts52km/h (32mph)41km/h (25mph)29km/h (18mph)25km/h (16mph)30km/h (19mph)41km/h (26mph)38km/h (24mph)50km/h (31mph)
Direction 276°
W
265°
W
260°
W
238°
WSW
205°
SSW
168°
SSE
165°
SSE
172°
S
Wind chill6°C (43°F)4°C (40°F)5°C (40°F)9°C (48°F)9°C (49°F)9°C (48°F)8°C (46°F)8°C (47°F)
Waves
Height0.7m (2.4ft)0.6m (2.1ft)0.4m (1.5ft)0.4m (1.2ft)0.3m (0.9ft)0.3m (1.1ft)0.6m (2.0ft)0.9m (3.0ft)
Direction 272°
W
262°
W
252°
WSW
243°
WSW
228°
SW
185°
S
157°
SSE
162°
SSE
Period8.5 sec.8.7 sec.7.7 sec.7.9 sec.5.0 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.6m (2ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 04:57 and will set at 21:52 on the beach(es) of Dundalk. The outside temperature will be a high of 56°F t and a low of 50°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 27.3mph km/h (with gusts up to 37.3mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (52°F)11°C (51°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)11°C (52°F)
Perceived temperature7°C (45°F)7°C (45°F)7°C (44°F)9°C (47°F)10°C (49°F)12°C (54°F)11°C (52°F)8°C (46°F)
Precipitation0in0in0.1in0.1in0in0in0.1in0in
Humidity90%88%93%94%94%93%95%88%
Barometric pressure1003 hPa1000 hPa997 hPa995 hPa995 hPa997 hPa1000 hPa1006 hPa
Cloud cover100%100%100%100%100%94%100%58%
Heat index11°C (52°F)11°C (52°F)11°C (51°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)11°C (52°F)
Dew point9°C (49°F)9°C (48°F)10°C (49°F)11°C (51°F)11°C (52°F)11°C (53°F)12°C (54°F)9°C (49°F)
Wind
Speed38km/h (23mph)44km/h (27mph)42km/h (26mph)35km/h (21mph)24km/h (15mph)7km/h (4mph)16km/h (10mph)36km/h (22mph)
Gusts53km/h (33mph)60km/h (37mph)58km/h (36mph)48km/h (30mph)36km/h (22mph)11km/h (7mph)25km/h (16mph)53km/h (33mph)
Direction 142°
SE
125°
SE
108°
ESE
119°
ESE
113°
ESE
92°
E
256°
WSW
276°
W
Wind chill7°C (45°F)7°C (45°F)7°C (44°F)9°C (47°F)10°C (49°F)12°C (54°F)11°C (52°F)8°C (46°F)
Waves
Height0.8m (2.7ft)1.1m (3.5ft)1.2m (3.8ft)1.3m (4.3ft)1.6m (5.2ft)1.5m (4.8ft)1.2m (3.8ft)0.9m (3.0ft)
Direction 161°
SSE
158°
SSE
152°
SSE
139°
SE
114°
ESE
113°
ESE
118°
ESE
116°
ESE
Period7.4 sec.7.4 sec.7.4 sec.7.4 sec.6.0 sec.6.4 sec.5.9 sec.5.6 sec.
Significant height1.0m (3.3ft)1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)1.5m (4.9ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 04:56 and will set at 21:53 on the beach(es) of Dundalk. The outside temperature will be a high of 59°F t and a low of 49°F. Precipitation is in the forecast (0.2in 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 19.9mph km/h (with gusts up to 26.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)10°C (50°F)12°C (54°F)14°C (57°F)13°C (55°F)13°C (56°F)12°C (54°F)13°C (55°F)
Perceived temperature6°C (43°F)7°C (45°F)10°C (50°F)12°C (53°F)11°C (51°F)11°C (52°F)11°C (51°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity82%84%90%81%91%87%97%96%
Barometric pressure1009 hPa1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1010 hPa1008 hPa
Cloud cover33%100%28%38%100%100%100%100%
Heat index9°C (49°F)10°C (50°F)12°C (54°F)14°C (57°F)13°C (55°F)13°C (56°F)12°C (54°F)13°C (55°F)
Dew point6°C (44°F)7°C (45°F)11°C (51°F)11°C (51°F)11°C (53°F)11°C (52°F)12°C (53°F)12°C (54°F)
Wind
Speed26km/h (16mph)25km/h (15mph)27km/h (17mph)32km/h (20mph)26km/h (16mph)22km/h (14mph)17km/h (11mph)28km/h (17mph)
Gusts38km/h (23mph)36km/h (22mph)39km/h (24mph)38km/h (23mph)39km/h (24mph)35km/h (22mph)28km/h (18mph)43km/h (26mph)
Direction 260°
W
221°
SW
210°
SSW
215°
SW
255°
WSW
231°
SW
166°
SSE
180°
S
Wind chill6°C (43°F)7°C (45°F)10°C (50°F)12°C (53°F)11°C (51°F)11°C (52°F)11°C (51°F)10°C (50°F)
Waves
Height0.7m (2.3ft)0.6m (1.9ft)0.5m (1.6ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (1.0ft)
Direction 115°
ESE
160°
SSE
220°
SW
163°
SSE
164°
SSE
166°
SSE
167°
SSE
168°
SSE
Period5.9 sec.7.9 sec.8.7 sec.7.5 sec.5.6 sec.8.0 sec.8.4 sec.8.1 sec.
Significant height0.9m (3ft)0.9m (3ft)0.7m (2.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 04:55 and will set at 21:54 on the beach(es) of Dundalk. The outside temperature will be a high of 56°F t and a low of 50°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 17.4mph km/h (with gusts up to 27.3mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)10°C (50°F)10°C (50°F)12°C (53°F)13°C (56°F)13°C (55°F)12°C (54°F)11°C (51°F)
Perceived temperature10°C (50°F)7°C (45°F)7°C (45°F)9°C (49°F)11°C (52°F)10°C (51°F)9°C (49°F)8°C (46°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity98%89%82%68%62%73%80%83%
Barometric pressure1005 hPa1006 hPa1009 hPa1012 hPa1013 hPa1014 hPa1015 hPa1016 hPa
Cloud cover100%100%13%78%68%58%82%26%
Heat index13°C (55°F)10°C (50°F)10°C (50°F)12°C (53°F)13°C (56°F)13°C (55°F)12°C (54°F)11°C (51°F)
Dew point12°C (54°F)8°C (47°F)7°C (45°F)6°C (43°F)6°C (43°F)8°C (47°F)9°C (48°F)8°C (46°F)
Wind
Speed28km/h (17mph)22km/h (14mph)22km/h (13mph)27km/h (17mph)26km/h (16mph)27km/h (17mph)27km/h (17mph)23km/h (15mph)
Gusts43km/h (27mph)33km/h (21mph)30km/h (19mph)36km/h (22mph)38km/h (24mph)41km/h (26mph)44km/h (28mph)38km/h (23mph)
Direction 185°
S
345°
NNW
306°
NW
275°
W
262°
W
259°
W
264°
W
257°
WSW
Wind chill10°C (50°F)7°C (45°F)7°C (45°F)9°C (49°F)11°C (52°F)10°C (51°F)9°C (49°F)8°C (46°F)
Waves
Height0.4m (1.4ft)0.8m (2.5ft)1.0m (3.1ft)0.8m (2.8ft)1.0m (3.4ft)0.9m (3.0ft)0.8m (2.6ft)0.6m (2.0ft)
Direction 161°
SSE
157°
SSE
160°
SSE
161°
SSE
198°
SSW
220°
SW
230°
SW
237°
WSW
Period6.7 sec.6.7 sec.6.7 sec.6.7 sec.5.6 sec.6.0 sec.5.7 sec.5.2 sec.
Significant height0.5m (1.6ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)1.6m (5.2ft)1.4m (4.6ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Tuesday 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 04:55 and will set at 21:55 on the beach(es) of Dundalk. The outside temperature will be a high of 58°F t and a low of 49°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 25.5mph km/h (with gusts up to 26.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)10°C (49°F)12°C (54°F)13°C (56°F)13°C (56°F)14°C (57°F)13°C (56°F)
Perceived temperature6°C (43°F)6°C (42°F)6°C (43°F)9°C (48°F)11°C (52°F)11°C (52°F)11°C (53°F)10°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%89%88%77%73%79%76%76%
Barometric pressure1016 hPa1016 hPa1016 hPa1016 hPa1015 hPa1012 hPa1009 hPa1008 hPa
Cloud cover41%100%84%100%100%87%87%34%
Heat index9°C (49°F)9°C (48°F)10°C (49°F)12°C (54°F)13°C (56°F)13°C (56°F)14°C (57°F)13°C (56°F)
Dew point7°C (45°F)7°C (45°F)8°C (46°F)8°C (47°F)9°C (47°F)10°C (49°F)10°C (50°F)9°C (49°F)
Wind
Speed25km/h (16mph)25km/h (16mph)28km/h (17mph)32km/h (20mph)30km/h (18mph)26km/h (16mph)41km/h (25mph)41km/h (25mph)
Gusts39km/h (24mph)37km/h (23mph)37km/h (23mph)43km/h (27mph)43km/h (27mph)30km/h (19mph)42km/h (26mph)42km/h (26mph)
Direction 247°
WSW
244°
WSW
234°
SW
228°
SW
216°
SW
196°
SSW
202°
SSW
201°
SSW
Wind chill6°C (43°F)6°C (42°F)6°C (43°F)9°C (48°F)11°C (52°F)11°C (52°F)11°C (53°F)10°C (51°F)
Waves
Height0.5m (1.7ft)0.4m (1.4ft)0.4m (1.2ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.3ft)0.3m (1.1ft)
Direction 233°
SW
235°
SW
232°
SW
228°
SW
241°
WSW
245°
WSW
239°
WSW
239°
WSW
Period5.7 sec.5.6 sec.5.4 sec.5.7 sec.5.0 sec.4.8 sec.3.9 sec.4.3 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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