Sea weather in Derry (Londonderry) in Northern Ireland All the beach weather in Derry (Londonderry)

All the essential weather information for enjoying the beach in Derry (Londonderry) 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 Derry (Londonderry) over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 16 March 202538°F to 47°Frecommended
Monday 17 March 202538°F to 43°Fdiscouraged
Tuesday 18 March 202538°F to 47°Fdiscouraged
Wednesday 19 March 202538°F to 49°Frecommended
Thursday 20 March 202541°F to 50°Frecommended
Friday 21 March 202541°F to 49°Fdiscouraged
Saturday 22 March 202545°F to 50°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Derry (Londonderry)

Sea weather on Sunday 16 March 2025

On Sunday 16 March 2025, the sun will rise at 06:41 and will set at 18:35 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 47°F t and a low of 38°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 6.8mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (44°F)7°C (44°F)8°C (46°F)6°C (43°F)7°C (45°F)6°C (42°F)6°C (42°F)
Perceived temperature4°C (40°F)5°C (40°F)5°C (41°F)7°C (45°F)4°C (40°F)5°C (41°F)3°C (38°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%74%75%71%63%66%76%79%
Barometric pressure1028 hPa1027 hPa1028 hPa1029 hPa1029 hPa1029 hPa1029 hPa1031 hPa
Cloud cover100%96%96%90%0%6%4%53%
Heat index7°C (44°F)7°C (44°F)7°C (44°F)8°C (46°F)6°C (43°F)7°C (45°F)6°C (42°F)6°C (42°F)
Dew point2°C (36°F)2°C (36°F)2°C (36°F)3°C (37°F)-0°C (31°F)1°C (34°F)2°C (35°F)2°C (36°F)
Wind
Speed10km/h (6mph)10km/h (6mph)7km/h (4mph)5km/h (3mph)9km/h (6mph)11km/h (7mph)10km/h (6mph)9km/h (5mph)
Gusts17km/h (10mph)16km/h (10mph)11km/h (7mph)8km/h (5mph)17km/h (11mph)19km/h (12mph)22km/h (14mph)18km/h (11mph)
Direction 334°
NNW
337°
NNW
336°
NNW
45°
NE
78°
ENE
53°
NE
86°
E
157°
SSE
Wind chill4°C (40°F)5°C (40°F)5°C (41°F)7°C (45°F)4°C (40°F)5°C (41°F)3°C (38°F)4°C (39°F)
Waves
Height0.4m (1.2ft)0.4m (1.3ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.5ft)0.4m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)
Direction 331°
NNW
336°
NNW
340°
NNW
346°
NNW
346°
NNW
345°
NNW
341°
NNW
340°
NNW
Period7.3 sec.7.3 sec.7.3 sec.8.1 sec.8.1 sec.7.9 sec.7.6 sec.7.4 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Monday 17 March 2025

On Monday 17 March 2025, the sun will rise at 06:39 and will set at 18:37 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 43°F t and a low of 38°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 19.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)4°C (39°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (42°F)4°C (39°F)
Perceived temperature5°C (40°F)3°C (38°F)0°C (32°F)1°C (34°F)2°C (35°F)2°C (36°F)2°C (36°F)0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%73%86%83%72%68%67%76%
Barometric pressure1031 hPa1031 hPa1031 hPa1032 hPa1031 hPa1030 hPa1029 hPa1029 hPa
Cloud cover100%78%2%37%92%98%97%0%
Heat index6°C (43°F)6°C (43°F)4°C (39°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (42°F)4°C (39°F)
Dew point1°C (35°F)2°C (35°F)2°C (35°F)3°C (37°F)1°C (34°F)1°C (33°F)0°C (32°F)0°C (32°F)
Wind
Speed6km/h (4mph)13km/h (8mph)16km/h (10mph)22km/h (13mph)23km/h (14mph)23km/h (14mph)19km/h (12mph)16km/h (10mph)
Gusts11km/h (7mph)22km/h (14mph)28km/h (17mph)28km/h (18mph)32km/h (20mph)32km/h (20mph)29km/h (18mph)28km/h (17mph)
Direction 152°
SSE
141°
SE
134°
SE
128°
SE
131°
SE
130°
SE
135°
SE
123°
ESE
Wind chill5°C (40°F)3°C (38°F)0°C (32°F)1°C (34°F)2°C (35°F)2°C (36°F)2°C (36°F)0°C (32°F)
Waves
Height0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.4ft)0.5m (1.8ft)0.6m (1.9ft)0.5m (1.7ft)0.4m (1.3ft)
Direction 340°
NNW
337°
NNW
336°
NNW
335°
NNW
76°
ENE
82°
E
86°
E
326°
NNW
Period7.3 sec.7.0 sec.6.9 sec.6.9 sec.6.8 sec.6.7 sec.6.7 sec.3.4 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Tuesday 18 March 2025

On Tuesday 18 March 2025, the sun will rise at 06:36 and will set at 18:39 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 47°F t and a low of 38°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 25.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)4°C (38°F)3°C (37°F)5°C (40°F)7°C (45°F)8°C (46°F)5°C (41°F)4°C (40°F)
Perceived temperature-0°C (32°F)-1°C (30°F)-2°C (28°F)-0°C (31°F)3°C (37°F)4°C (39°F)1°C (34°F)1°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%86%80%74%67%66%73%82%
Barometric pressure1028 hPa1026 hPa1025 hPa1025 hPa1023 hPa1022 hPa1022 hPa1023 hPa
Cloud cover2%18%14%100%90%56%7%2%
Heat index3°C (38°F)4°C (38°F)3°C (37°F)5°C (40°F)7°C (45°F)8°C (46°F)5°C (41°F)4°C (40°F)
Dew point1°C (33°F)1°C (34°F)-0°C (32°F)1°C (33°F)1°C (34°F)2°C (35°F)1°C (33°F)1°C (35°F)
Wind
Speed15km/h (9mph)21km/h (13mph)25km/h (16mph)31km/h (19mph)28km/h (17mph)27km/h (17mph)22km/h (13mph)16km/h (10mph)
Gusts26km/h (16mph)33km/h (20mph)37km/h (23mph)41km/h (26mph)38km/h (23mph)38km/h (24mph)23km/h (14mph)29km/h (18mph)
Direction 122°
ESE
121°
ESE
122°
ESE
127°
SE
131°
SE
133°
SE
136°
SE
133°
SE
Wind chill-0°C (32°F)-1°C (30°F)-2°C (28°F)-0°C (31°F)3°C (37°F)4°C (39°F)1°C (34°F)1°C (33°F)
Waves
Height0.3m (1.1ft)0.4m (1.4ft)0.5m (1.7ft)0.6m (1.9ft)0.7m (2.2ft)0.6m (2.1ft)0.5m (1.7ft)0.4m (1.3ft)
Direction 300°
WNW
301°
WNW
86°
E
98°
E
101°
ESE
104°
ESE
104°
ESE
297°
WNW
Period6.0 sec.13.7 sec.5.7 sec.13.1 sec.6.9 sec.6.7 sec.14.9 sec.14.5 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 06:33 and will set at 18:41 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 49°F t and a low of 38°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 16.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (39°F)4°C (39°F)3°C (38°F)5°C (41°F)8°C (46°F)9°C (48°F)7°C (44°F)6°C (42°F)
Perceived temperature1°C (33°F)0°C (33°F)-1°C (31°F)2°C (35°F)5°C (41°F)7°C (44°F)5°C (41°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%87%89%79%65%64%77%86%
Barometric pressure1022 hPa1021 hPa1021 hPa1021 hPa1021 hPa1019 hPa1019 hPa1020 hPa
Cloud cover0%0%12%5%6%8%6%51%
Heat index4°C (39°F)4°C (39°F)3°C (38°F)5°C (41°F)8°C (46°F)9°C (48°F)7°C (44°F)6°C (42°F)
Dew point1°C (34°F)2°C (35°F)2°C (35°F)2°C (35°F)1°C (35°F)2°C (36°F)3°C (38°F)4°C (38°F)
Wind
Speed13km/h (8mph)14km/h (9mph)16km/h (10mph)17km/h (11mph)17km/h (10mph)12km/h (8mph)11km/h (7mph)11km/h (7mph)
Gusts25km/h (16mph)26km/h (16mph)27km/h (17mph)23km/h (14mph)25km/h (16mph)21km/h (13mph)23km/h (14mph)22km/h (14mph)
Direction 133°
SE
137°
SE
136°
SE
133°
SE
137°
SE
132°
SE
123°
ESE
149°
SSE
Wind chill1°C (33°F)0°C (33°F)-1°C (31°F)2°C (35°F)5°C (41°F)7°C (44°F)5°C (41°F)3°C (38°F)
Waves
Height0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (1.0ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (0.9ft)
Direction 295°
WNW
295°
WNW
294°
WNW
296°
WNW
300°
WNW
297°
WNW
301°
WNW
303°
WNW
Period13.3 sec.13.1 sec.12.1 sec.12.0 sec.12.0 sec.11.5 sec.11.3 sec.11.1 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 06:31 and will set at 18:43 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 50°F t and a low of 41°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 9.9mph km/h (with gusts up to 18.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (41°F)5°C (41°F)7°C (45°F)10°C (49°F)10°C (51°F)8°C (47°F)6°C (43°F)
Perceived temperature3°C (38°F)3°C (37°F)3°C (37°F)5°C (42°F)8°C (46°F)8°C (47°F)6°C (42°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%85%84%76%72%71%79%81%
Barometric pressure1020 hPa1019 hPa1019 hPa1019 hPa1018 hPa1016 hPa1016 hPa1016 hPa
Cloud cover30%23%47%47%13%14%26%16%
Heat index5°C (41°F)5°C (41°F)5°C (41°F)7°C (45°F)10°C (49°F)10°C (51°F)8°C (47°F)6°C (43°F)
Dew point3°C (37°F)2°C (36°F)2°C (36°F)3°C (38°F)5°C (41°F)5°C (42°F)5°C (41°F)3°C (38°F)
Wind
Speed8km/h (5mph)9km/h (6mph)9km/h (5mph)10km/h (6mph)13km/h (8mph)16km/h (10mph)16km/h (10mph)10km/h (6mph)
Gusts17km/h (10mph)18km/h (11mph)18km/h (11mph)15km/h (9mph)20km/h (13mph)29km/h (18mph)30km/h (19mph)22km/h (14mph)
Direction 172°
S
171°
S
144°
SE
136°
SE
122°
ESE
108°
ESE
106°
ESE
117°
ESE
Wind chill3°C (38°F)3°C (37°F)3°C (37°F)5°C (42°F)8°C (46°F)8°C (47°F)6°C (42°F)4°C (39°F)
Waves
Height0.2m (0.7ft)0.2m (0.6ft)0.2m (0.7ft)0.3m (0.9ft)0.4m (1.5ft)0.5m (1.8ft)0.5m (1.6ft)0.4m (1.5ft)
Direction 304°
WNW
307°
NW
308°
NW
78°
ENE
83°
E
81°
E
77°
ENE
71°
ENE
Period10.9 sec.10.3 sec.10.3 sec.12.2 sec.11.4 sec.11.5 sec.10.3 sec.10.1 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 06:28 and will set at 18:45 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 49°F t and a low of 41°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 22.4mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)5°C (42°F)5°C (40°F)6°C (44°F)8°C (47°F)9°C (49°F)9°C (48°F)9°C (47°F)
Perceived temperature3°C (38°F)2°C (36°F)2°C (35°F)3°C (38°F)5°C (41°F)6°C (44°F)6°C (42°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%90%90%83%76%78%84%86%
Barometric pressure1015 hPa1014 hPa1013 hPa1012 hPa1011 hPa1009 hPa1009 hPa1009 hPa
Cloud cover4%17%26%71%6%57%100%100%
Heat index6°C (43°F)5°C (42°F)5°C (40°F)6°C (44°F)8°C (47°F)9°C (49°F)9°C (48°F)9°C (47°F)
Dew point3°C (38°F)4°C (39°F)3°C (38°F)4°C (39°F)4°C (39°F)6°C (42°F)6°C (43°F)6°C (43°F)
Wind
Speed12km/h (7mph)13km/h (8mph)13km/h (8mph)15km/h (9mph)18km/h (11mph)22km/h (13mph)21km/h (13mph)15km/h (10mph)
Gusts22km/h (14mph)23km/h (14mph)22km/h (14mph)20km/h (12mph)27km/h (17mph)36km/h (22mph)35km/h (22mph)25km/h (16mph)
Direction 101°
E
116°
ESE
106°
ESE
96°
E
82°
E
77°
ENE
103°
ESE
91°
E
Wind chill3°C (38°F)2°C (36°F)2°C (35°F)3°C (38°F)5°C (41°F)6°C (44°F)6°C (42°F)6°C (43°F)
Waves
Height0.6m (2.1ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.5m (1.7ft)0.4m (1.4ft)0.4m (1.2ft)
Direction 69°
ENE
71°
ENE
69°
ENE
70°
ENE
71°
ENE
64°
ENE
56°
ENE
55°
NE
Period10.0 sec.9.7 sec.7.8 sec.7.3 sec.6.9 sec.3.9 sec.3.9 sec.3.9 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)

Sea weather on Saturday 22 March 2025

On Saturday 22 March 2025, the sun will rise at 06:26 and will set at 18:47 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 50°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 16.2mph km/h (with gusts up to 23mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)7°C (45°F)8°C (47°F)9°C (48°F)9°C (49°F)10°C (50°F)9°C (48°F)8°C (47°F)
Perceived temperature6°C (42°F)4°C (38°F)5°C (41°F)6°C (42°F)6°C (43°F)7°C (45°F)6°C (43°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%93%95%93%87%85%93%
Barometric pressure1008 hPa1006 hPa1005 hPa1004 hPa1004 hPa1003 hPa1003 hPa1003 hPa
Cloud cover100%100%100%100%93%55%100%100%
Heat index9°C (47°F)7°C (45°F)8°C (47°F)9°C (48°F)9°C (49°F)10°C (50°F)9°C (48°F)8°C (47°F)
Dew point7°C (44°F)6°C (42°F)7°C (45°F)8°C (47°F)8°C (47°F)8°C (46°F)7°C (44°F)7°C (45°F)
Wind
Speed19km/h (12mph)26km/h (16mph)22km/h (13mph)22km/h (13mph)22km/h (14mph)21km/h (13mph)19km/h (12mph)8km/h (5mph)
Gusts29km/h (18mph)37km/h (23mph)32km/h (20mph)32km/h (20mph)34km/h (21mph)34km/h (21mph)33km/h (20mph)14km/h (9mph)
Direction 97°
E
93°
E
103°
ESE
124°
SE
134°
SE
128°
SE
137°
SE
109°
ESE
Wind chill6°C (42°F)4°C (38°F)5°C (41°F)6°C (42°F)6°C (43°F)7°C (45°F)6°C (43°F)7°C (45°F)
Waves
Height0.4m (1.3ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)
Direction 63°
ENE
67°
ENE
65°
ENE
298°
WNW
296°
WNW
297°
WNW
295°
WNW
297°
WNW
Period3.9 sec.5.6 sec.3.7 sec.3.5 sec.3.3 sec.13.1 sec.12.2 sec.11.9 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)6°C (44°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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