Sea weather in Ballycastle (Causeway Coast) in Northern Ireland All the beach weather in Ballycastle (Causeway Coast)

All the essential weather information for enjoying the beach in Ballycastle (Causeway Coast) in Northern 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 Ballycastle (Causeway Coast) over the next 7 days?

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

Date Outside temp. Our opinion
Thursday 4 June 202649°F to 56°Fnot recommended
Friday 5 June 202647°F to 56°Fdiscouraged
Saturday 6 June 202647°F to 54°Fdiscouraged
Sunday 7 June 202649°F to 59°Fdiscouraged
Monday 8 June 202645°F to 54°Fdiscouraged
Tuesday 9 June 202647°F to 54°Fdiscouraged
Wednesday 10 June 202650°F to 56°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Ballycastle (Causeway Coast)

Sea weather on Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 04:51 and will set at 21:59 on the beach(es) of Ballycastle (Causeway Coast). The outside temperature will be a high of 56°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. 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 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)12°C (53°F)12°C (54°F)11°C (52°F)10°C (50°F)
Perceived temperature9°C (48°F)8°C (47°F)9°C (48°F)8°C (46°F)10°C (49°F)10°C (49°F)7°C (45°F)6°C (42°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity94%95%96%96%88%80%92%89%
Barometric pressure981 hPa981 hPa984 hPa987 hPa990 hPa992 hPa995 hPa998 hPa
Cloud cover100%100%100%100%78%50%100%100%
Heat index11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)12°C (53°F)12°C (54°F)11°C (52°F)10°C (50°F)
Dew point10°C (50°F)10°C (51°F)10°C (50°F)10°C (51°F)10°C (50°F)9°C (48°F)10°C (49°F)8°C (47°F)
Wind
Speed22km/h (13mph)25km/h (15mph)15km/h (9mph)34km/h (21mph)22km/h (13mph)30km/h (19mph)41km/h (25mph)43km/h (27mph)
Gusts33km/h (21mph)39km/h (24mph)22km/h (14mph)48km/h (30mph)33km/h (21mph)47km/h (30mph)41km/h (25mph)48km/h (30mph)
Direction 224°
SW
270°
W
294°
WNW
296°
WNW
268°
W
287°
WNW
281°
W
276°
W
Wind chill9°C (48°F)8°C (47°F)9°C (48°F)8°C (46°F)10°C (49°F)10°C (49°F)7°C (45°F)6°C (42°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)1.3m (4.4ft)1.2m (3.8ft)1.1m (3.5ft)1.1m (3.7ft)1.2m (3.9ft)1.6m (5.3ft)
Direction 287°
WNW
287°
WNW
296°
WNW
311°
NW
320°
NW
311°
NW
310°
NW
302°
WNW
Period11.8 sec.11.9 sec.5.1 sec.11.8 sec.12.2 sec.13.2 sec.14.2 sec.16.0 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.3m (4.3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.3m (4.3ft)1.5m (4.9ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 04:50 and will set at 22:01 on the beach(es) of Ballycastle (Causeway Coast). The outside temperature will be a high of 56°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! The sea will be generally calm, with a wind speed of up to 21.8mph km/h (with gusts up to 25.5mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (47°F)9°C (48°F)11°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)11°C (52°F)
Perceived temperature5°C (42°F)5°C (41°F)6°C (43°F)9°C (49°F)11°C (51°F)10°C (50°F)10°C (50°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%82%84%73%73%79%80%80%
Barometric pressure1001 hPa1003 hPa1004 hPa1005 hPa1006 hPa1005 hPa1005 hPa1004 hPa
Cloud cover100%57%85%44%100%65%95%53%
Heat index9°C (49°F)9°C (47°F)9°C (48°F)11°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)11°C (52°F)
Dew point6°C (43°F)6°C (42°F)6°C (44°F)7°C (44°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (46°F)
Wind
Speed35km/h (22mph)26km/h (16mph)20km/h (13mph)19km/h (12mph)14km/h (9mph)17km/h (11mph)21km/h (13mph)18km/h (11mph)
Gusts35km/h (22mph)41km/h (26mph)29km/h (18mph)25km/h (16mph)22km/h (13mph)28km/h (17mph)34km/h (21mph)32km/h (20mph)
Direction 272°
W
251°
WSW
229°
SW
236°
SW
215°
SW
184°
S
160°
SSE
148°
SSE
Wind chill5°C (42°F)5°C (41°F)6°C (43°F)9°C (49°F)11°C (51°F)10°C (50°F)10°C (50°F)9°C (48°F)
Waves
Height2.0m (6.7ft)1.9m (6.2ft)1.6m (5.4ft)1.5m (4.8ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.5ft)1.0m (3.4ft)
Direction 289°
WNW
289°
WNW
291°
WNW
292°
WNW
292°
WNW
296°
WNW
298°
WNW
298°
WNW
Period13.7 sec.12.1 sec.11.9 sec.11.2 sec.10.7 sec.11.0 sec.11.0 sec.10.9 sec.
Significant height1.7m (5.6ft)0.8m (2.6ft)0.5m (1.6ft)0.5m (1.6ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)1.5m (4.9ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 04:50 and will set at 22:02 on the beach(es) of Ballycastle (Causeway Coast). The outside temperature will be a high of 54°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! The sea will be generally calm, with a wind speed of up to 24.9mph km/h (with gusts up to 30.5mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (51°F)11°C (51°F)10°C (51°F)10°C (51°F)11°C (51°F)12°C (53°F)11°C (52°F)9°C (49°F)
Perceived temperature8°C (46°F)7°C (45°F)6°C (44°F)7°C (44°F)8°C (46°F)9°C (49°F)8°C (46°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%86%92%94%94%85%80%
Barometric pressure1003 hPa1000 hPa999 hPa998 hPa999 hPa1002 hPa1005 hPa1008 hPa
Cloud cover52%100%100%100%100%100%36%48%
Heat index10°C (51°F)11°C (51°F)10°C (51°F)10°C (51°F)11°C (51°F)12°C (53°F)11°C (52°F)9°C (49°F)
Dew point8°C (46°F)8°C (47°F)8°C (47°F)9°C (49°F)10°C (50°F)11°C (51°F)8°C (47°F)6°C (43°F)
Wind
Speed23km/h (14mph)33km/h (20mph)40km/h (25mph)38km/h (24mph)27km/h (17mph)21km/h (13mph)27km/h (17mph)13km/h (8mph)
Gusts35km/h (22mph)49km/h (30mph)43km/h (27mph)42km/h (26mph)41km/h (26mph)33km/h (21mph)44km/h (27mph)25km/h (15mph)
Direction 135°
SE
133°
SE
131°
SE
139°
SE
147°
SSE
246°
WSW
278°
W
240°
WSW
Wind chill8°C (46°F)7°C (45°F)6°C (44°F)7°C (44°F)8°C (46°F)9°C (49°F)8°C (46°F)7°C (45°F)
Waves
Height1.0m (3.4ft)1.2m (3.9ft)1.4m (4.7ft)1.4m (4.8ft)1.4m (4.6ft)1.2m (4.0ft)0.9m (3.0ft)0.7m (2.4ft)
Direction 295°
WNW
296°
WNW
295°
WNW
122°
ESE
124°
ESE
292°
WNW
292°
WNW
292°
WNW
Period10.0 sec.11.6 sec.11.1 sec.11.0 sec.10.9 sec.10.9 sec.10.8 sec.10.7 sec.
Significant height1.4m (4.6ft)1.7m (5.6ft)1.8m (5.9ft)1.7m (5.6ft)1.5m (4.9ft)1.3m (4.3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 04:49 and will set at 22:03 on the beach(es) of Ballycastle (Causeway Coast). The outside temperature will be a high of 59°F t and a low of 49°F. Precipitation is in the forecast (0.3in 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 29.8mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)10°C (50°F)11°C (52°F)13°C (56°F)15°C (58°F)11°C (52°F)11°C (53°F)10°C (51°F)
Perceived temperature7°C (44°F)7°C (45°F)8°C (47°F)11°C (52°F)13°C (55°F)9°C (49°F)11°C (52°F)9°C (49°F)
Precipitation0in0in0in0in0in0.2in0in0in
Humidity79%77%81%84%87%98%89%89%
Barometric pressure1009 hPa1008 hPa1008 hPa1008 hPa1008 hPa1008 hPa1010 hPa1010 hPa
Cloud cover100%37%97%97%100%100%100%100%
Heat index9°C (48°F)10°C (50°F)11°C (52°F)13°C (56°F)15°C (58°F)11°C (52°F)11°C (53°F)10°C (51°F)
Dew point6°C (42°F)6°C (44°F)8°C (47°F)11°C (51°F)12°C (54°F)11°C (51°F)10°C (50°F)9°C (47°F)
Wind
Speed16km/h (10mph)28km/h (17mph)29km/h (18mph)30km/h (19mph)26km/h (16mph)13km/h (8mph)5km/h (3mph)8km/h (5mph)
Gusts28km/h (17mph)45km/h (28mph)44km/h (27mph)48km/h (30mph)43km/h (27mph)22km/h (14mph)9km/h (5mph)13km/h (8mph)
Direction 161°
SSE
170°
S
166°
SSE
174°
S
192°
SSW
327°
NNW
303°
WNW
331°
NNW
Wind chill7°C (44°F)7°C (45°F)8°C (47°F)11°C (52°F)13°C (55°F)9°C (49°F)11°C (52°F)9°C (49°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.7m (2.2ft)0.9m (2.9ft)1.3m (4.4ft)1.1m (3.5ft)0.9m (2.9ft)0.8m (2.7ft)
Direction 293°
WNW
291°
WNW
290°
WNW
290°
WNW
297°
WNW
302°
WNW
296°
WNW
297°
WNW
Period10.6 sec.10.4 sec.10.1 sec.2.6 sec.10.0 sec.6.2 sec.5.9 sec.6.4 sec.
Significant height0.7m (2.3ft)1.0m (3.3ft)1.1m (3.6ft)1.5m (4.9ft)1.0m (3.3ft)1.4m (4.6ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 04:48 and will set at 22:04 on the beach(es) of Ballycastle (Causeway Coast). 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 13.7mph km/h (with gusts up to 23.6mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)8°C (47°F)8°C (47°F)11°C (53°F)12°C (54°F)12°C (53°F)11°C (52°F)9°C (48°F)
Perceived temperature9°C (47°F)6°C (43°F)6°C (42°F)9°C (48°F)10°C (50°F)9°C (49°F)9°C (47°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%88%73%74%74%76%84%
Barometric pressure1010 hPa1010 hPa1011 hPa1011 hPa1011 hPa1011 hPa1010 hPa1011 hPa
Cloud cover78%21%20%57%83%42%35%73%
Heat index10°C (50°F)8°C (47°F)8°C (47°F)11°C (53°F)12°C (54°F)12°C (53°F)11°C (52°F)9°C (48°F)
Dew point8°C (47°F)6°C (44°F)6°C (44°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (45°F)7°C (44°F)
Wind
Speed10km/h (6mph)13km/h (8mph)15km/h (9mph)20km/h (13mph)18km/h (11mph)22km/h (14mph)22km/h (14mph)21km/h (13mph)
Gusts15km/h (10mph)23km/h (14mph)23km/h (14mph)27km/h (17mph)27km/h (17mph)36km/h (23mph)38km/h (23mph)36km/h (22mph)
Direction 281°
W
241°
WSW
218°
SW
235°
SW
252°
WSW
256°
WSW
250°
WSW
235°
SW
Wind chill9°C (47°F)6°C (43°F)6°C (42°F)9°C (48°F)10°C (50°F)9°C (49°F)9°C (47°F)6°C (43°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.8ft)1.0m (3.2ft)1.1m (3.7ft)1.3m (4.3ft)1.5m (4.9ft)
Direction 295°
WNW
295°
WNW
295°
WNW
294°
WNW
292°
WNW
293°
WNW
295°
WNW
297°
WNW
Period10.4 sec.10.2 sec.10.0 sec.9.6 sec.9.6 sec.11.0 sec.10.9 sec.11.1 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Tuesday 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 04:48 and will set at 22:05 on the beach(es) of Ballycastle (Causeway Coast). 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 16.8mph km/h (with gusts up to 25.5mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)9°C (48°F)11°C (52°F)12°C (54°F)12°C (53°F)11°C (51°F)9°C (48°F)
Perceived temperature5°C (41°F)4°C (40°F)6°C (42°F)8°C (47°F)10°C (51°F)11°C (52°F)10°C (49°F)5°C (42°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity89%89%87%77%69%77%83%92%
Barometric pressure1011 hPa1012 hPa1013 hPa1013 hPa1013 hPa1011 hPa1009 hPa1005 hPa
Cloud cover34%58%49%35%39%100%69%100%
Heat index8°C (46°F)8°C (46°F)9°C (48°F)11°C (52°F)12°C (54°F)12°C (53°F)11°C (51°F)9°C (48°F)
Dew point6°C (43°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (44°F)8°C (46°F)8°C (46°F)8°C (46°F)
Wind
Speed20km/h (12mph)21km/h (13mph)22km/h (13mph)26km/h (16mph)18km/h (11mph)8km/h (5mph)9km/h (6mph)27km/h (17mph)
Gusts34km/h (21mph)35km/h (21mph)31km/h (19mph)35km/h (22mph)27km/h (17mph)12km/h (8mph)16km/h (10mph)41km/h (26mph)
Direction 229°
SW
232°
SW
240°
WSW
257°
WSW
281°
W
337°
NNW
142°
SE
146°
SE
Wind chill5°C (41°F)4°C (40°F)6°C (42°F)8°C (47°F)10°C (51°F)11°C (52°F)10°C (49°F)5°C (42°F)
Waves
Height1.5m (4.9ft)1.4m (4.6ft)1.3m (4.2ft)1.2m (3.8ft)1.0m (3.4ft)1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)
Direction 297°
WNW
296°
WNW
295°
WNW
293°
WNW
292°
WNW
292°
WNW
291°
WNW
288°
WNW
Period11.0 sec.10.9 sec.10.7 sec.10.5 sec.10.1 sec.9.9 sec.9.8 sec.9.5 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Wednesday 10 June 2026

On Wednesday 10 June 2026, the sun will rise at 04:47 and will set at 22:05 on the beach(es) of Ballycastle (Causeway Coast). 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 24.2mph km/h (with gusts up to 29.8mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)12°C (54°F)11°C (52°F)13°C (55°F)13°C (55°F)10°C (51°F)11°C (51°F)10°C (51°F)
Perceived temperature6°C (43°F)10°C (50°F)9°C (49°F)11°C (52°F)11°C (52°F)7°C (44°F)7°C (45°F)7°C (45°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity94%91%93%89%90%87%84%86%
Barometric pressure996 hPa992 hPa991 hPa993 hPa996 hPa1001 hPa1005 hPa1008 hPa
Cloud cover100%68%100%100%97%94%33%39%
Heat index10°C (50°F)12°C (54°F)11°C (52°F)13°C (55°F)13°C (55°F)10°C (51°F)11°C (51°F)10°C (51°F)
Dew point9°C (49°F)11°C (51°F)10°C (50°F)11°C (51°F)11°C (52°F)8°C (47°F)8°C (47°F)8°C (47°F)
Wind
Speed37km/h (23mph)21km/h (13mph)14km/h (9mph)17km/h (10mph)20km/h (12mph)36km/h (22mph)39km/h (24mph)30km/h (19mph)
Gusts37km/h (23mph)35km/h (22mph)22km/h (14mph)23km/h (14mph)30km/h (19mph)40km/h (25mph)42km/h (26mph)48km/h (30mph)
Direction 143°
SE
179°
S
188°
S
234°
SW
283°
WNW
310°
NW
301°
WNW
292°
WNW
Wind chill6°C (43°F)10°C (50°F)9°C (49°F)11°C (52°F)11°C (52°F)7°C (44°F)7°C (45°F)7°C (45°F)
Waves
Height0.9m (3.1ft)0.9m (3.0ft)1.0m (3.3ft)1.3m (4.3ft)1.7m (5.6ft)2.3m (7.4ft)2.5m (8.1ft)2.3m (7.7ft)
Direction 290°
WNW
290°
WNW
291°
WNW
290°
WNW
296°
WNW
303°
WNW
301°
WNW
300°
WNW
Period9.6 sec.9.6 sec.9.8 sec.10.2 sec.11.8 sec.14.1 sec.14.3 sec.14.2 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units