Sea weather in Portstewart in Northern Ireland All the beach weather in Portstewart

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

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

Date Outside temp. Our opinion
Thursday 25 April 202441°F to 45°Fdiscouraged
Friday 26 April 202440°F to 47°Frecommended
Saturday 27 April 202440°F to 49°Frecommended
Sunday 28 April 202440°F to 47°Frecommended
Monday 29 April 202443°F to 50°Fdiscouraged
Tuesday 30 April 202447°F to 52°Fdiscouraged
Wednesday 1 May 202447°F to 52°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Portstewart

Sea weather on Thursday 25 April 2024

On Thursday 25 April 2024, the sun will rise at 05:58 and will set at 20:52 on the beach(es) of Portstewart. The outside temperature will be a high of 45°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 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 2.6ft 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)7°C (45°F)7°C (44°F)7°C (45°F)6°C (43°F)6°C (42°F)
Perceived temperature3°C (38°F)3°C (38°F)3°C (38°F)4°C (39°F)3°C (38°F)5°C (41°F)3°C (38°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%79%79%75%64%62%68%73%
Barometric pressure1011 hPa1008 hPa1007 hPa1006 hPa1005 hPa1004 hPa1004 hPa1005 hPa
Cloud cover100%100%92%76%8%80%88%70%
Heat index7°C (44°F)7°C (44°F)7°C (44°F)7°C (45°F)7°C (44°F)7°C (45°F)6°C (43°F)6°C (42°F)
Dew point3°C (37°F)4°C (38°F)3°C (38°F)3°C (38°F)0°C (33°F)1°C (33°F)1°C (33°F)1°C (34°F)
Wind
Speed21km/h (13mph)21km/h (13mph)20km/h (13mph)21km/h (13mph)19km/h (12mph)13km/h (8mph)16km/h (10mph)13km/h (8mph)
Gusts31km/h (19mph)31km/h (19mph)30km/h (19mph)28km/h (17mph)28km/h (17mph)18km/h (11mph)27km/h (17mph)25km/h (15mph)
Direction 311°
NW
319°
NW
340°
NNW
357°
N
344°
NNW
357°
N
12°
NNE
34°
NE
Wind chill3°C (38°F)3°C (38°F)3°C (38°F)4°C (39°F)3°C (38°F)5°C (41°F)3°C (38°F)3°C (37°F)
Waves
Height0.8m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)0.7m (2.2ft)0.6m (1.9ft)0.5m (1.6ft)0.4m (1.5ft)
Direction 342°
NNW
346°
NNW
345°
NNW
343°
NNW
340°
NNW
338°
NNW
338°
NNW
337°
NNW
Period7.3 sec.7.0 sec.9.9 sec.9.7 sec.4.6 sec.4.4 sec.4.4 sec.4.5 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather on Friday 26 April 2024

On Friday 26 April 2024, the sun will rise at 05:56 and will set at 20:54 on the beach(es) of Portstewart. The outside temperature will be a high of 47°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 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)4°C (40°F)5°C (40°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (42°F)
Perceived temperature3°C (38°F)3°C (37°F)2°C (36°F)5°C (41°F)5°C (42°F)5°C (40°F)4°C (39°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%80%80%69%64%66%69%72%
Barometric pressure1005 hPa1005 hPa1006 hPa1007 hPa1007 hPa1007 hPa1008 hPa1009 hPa
Cloud cover64%82%53%62%74%70%23%48%
Heat index5°C (41°F)4°C (40°F)5°C (40°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (42°F)
Dew point1°C (33°F)1°C (34°F)1°C (35°F)2°C (35°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (33°F)
Wind
Speed6km/h (4mph)6km/h (4mph)9km/h (6mph)10km/h (6mph)12km/h (8mph)15km/h (9mph)13km/h (8mph)11km/h (7mph)
Gusts12km/h (7mph)12km/h (7mph)15km/h (9mph)14km/h (8mph)17km/h (10mph)22km/h (13mph)20km/h (13mph)20km/h (13mph)
Direction 133°
SE
139°
SE
147°
SSE
110°
ESE
72°
ENE
32°
NNE

N
360°
N
Wind chill3°C (38°F)3°C (37°F)2°C (36°F)5°C (41°F)5°C (42°F)5°C (40°F)4°C (39°F)3°C (37°F)
Waves
Height0.6m (2.0ft)0.7m (2.4ft)0.9m (2.9ft)1.0m (3.3ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.4ft)
Direction 336°
NNW
338°
NNW
297°
WNW
294°
WNW
296°
WNW
297°
WNW
302°
WNW
306°
NW
Period5.1 sec.5.3 sec.11.8 sec.11.2 sec.11.1 sec.11.4 sec.12.4 sec.12.8 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather on Saturday 27 April 2024

On Saturday 27 April 2024, the sun will rise at 05:54 and will set at 20:56 on the beach(es) of Portstewart. The outside temperature will be a high of 49°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 7.5mph km/h (with gusts up to 10.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (42°F)5°C (40°F)5°C (40°F)8°C (46°F)8°C (47°F)9°C (48°F)8°C (47°F)6°C (43°F)
Perceived temperature5°C (42°F)5°C (40°F)5°C (40°F)6°C (43°F)6°C (43°F)8°C (46°F)7°C (44°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%75%77%72%74%70%72%76%
Barometric pressure1008 hPa1008 hPa1008 hPa1009 hPa1009 hPa1009 hPa1009 hPa1010 hPa
Cloud cover93%46%43%86%54%72%82%47%
Heat index5°C (42°F)5°C (40°F)5°C (40°F)8°C (46°F)8°C (47°F)9°C (48°F)8°C (47°F)6°C (43°F)
Dew point1°C (34°F)1°C (33°F)1°C (34°F)3°C (37°F)4°C (39°F)4°C (39°F)4°C (38°F)2°C (36°F)
Wind
Speed3km/h (2mph)1km/h (1mph)3km/h (2mph)7km/h (4mph)12km/h (8mph)9km/h (6mph)9km/h (5mph)7km/h (4mph)
Gusts6km/h (4mph)3km/h (2mph)5km/h (3mph)9km/h (6mph)17km/h (11mph)13km/h (8mph)14km/h (9mph)14km/h (9mph)
Direction 21°
NNE
228°
SW
167°
SSE
105°
ESE
133°
SE
83°
E
53°
NE
49°
NE
Wind chill5°C (42°F)5°C (40°F)5°C (40°F)6°C (43°F)6°C (43°F)8°C (46°F)7°C (44°F)5°C (40°F)
Waves
Height1.0m (3.3ft)1.0m (3.1ft)0.9m (2.9ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.3ft)
Direction 303°
WNW
304°
WNW
304°
NW
302°
WNW
302°
WNW
301°
WNW
299°
WNW
299°
WNW
Period12.2 sec.12.0 sec.11.7 sec.11.0 sec.10.9 sec.10.8 sec.10.2 sec.10.0 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather on Sunday 28 April 2024

On Sunday 28 April 2024, the sun will rise at 05:52 and will set at 20:58 on the beach(es) of Portstewart. The outside temperature will be a high of 47°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 6.8mph km/h (with gusts up to 10.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (40°F)5°C (40°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (46°F)6°C (43°F)
Perceived temperature4°C (39°F)5°C (40°F)4°C (40°F)8°C (46°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%81%84%77%72%68%71%78%
Barometric pressure1010 hPa1010 hPa1009 hPa1008 hPa1008 hPa1007 hPa1007 hPa1007 hPa
Cloud cover29%16%7%13%84%7%14%21%
Heat index5°C (41°F)5°C (40°F)5°C (40°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (46°F)6°C (43°F)
Dew point2°C (35°F)2°C (35°F)2°C (36°F)4°C (39°F)3°C (38°F)3°C (37°F)3°C (37°F)3°C (37°F)
Wind
Speed5km/h (3mph)2km/h (1mph)4km/h (2mph)1km/h (0mph)10km/h (6mph)11km/h (7mph)9km/h (6mph)2km/h (1mph)
Gusts10km/h (6mph)4km/h (2mph)6km/h (4mph)1km/h (1mph)16km/h (10mph)17km/h (11mph)16km/h (10mph)4km/h (3mph)
Direction 99°
E
91°
E
158°
SSE
259°
W
348°
NNW
359°
N
329°
NNW
189°
S
Wind chill4°C (39°F)5°C (40°F)4°C (40°F)8°C (46°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)
Waves
Height0.7m (2.2ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 298°
WNW
297°
WNW
296°
WNW
296°
WNW
295°
WNW
294°
WNW
295°
WNW
295°
WNW
Period6.6 sec.6.2 sec.6.1 sec.9.1 sec.8.9 sec.8.8 sec.8.6 sec.8.4 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather on Monday 29 April 2024

On Monday 29 April 2024, the sun will rise at 05:49 and will set at 21:00 on the beach(es) of Portstewart. The outside temperature will be a high of 50°F t and a low of 43°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 22.4mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)6°C (42°F)6°C (43°F)7°C (45°F)10°C (50°F)10°C (50°F)9°C (47°F)8°C (46°F)
Perceived temperature3°C (38°F)2°C (36°F)3°C (37°F)3°C (38°F)8°C (47°F)8°C (46°F)6°C (42°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%87%89%92%80%82%92%94%
Barometric pressure1007 hPa1007 hPa1007 hPa1008 hPa1008 hPa1009 hPa1009 hPa1010 hPa
Cloud cover100%100%82%100%90%100%100%100%
Heat index6°C (42°F)6°C (42°F)6°C (43°F)7°C (45°F)10°C (50°F)10°C (50°F)9°C (47°F)8°C (46°F)
Dew point3°C (37°F)3°C (38°F)5°C (40°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)7°C (45°F)
Wind
Speed12km/h (7mph)15km/h (9mph)20km/h (12mph)24km/h (15mph)16km/h (10mph)18km/h (11mph)17km/h (11mph)10km/h (6mph)
Gusts23km/h (14mph)29km/h (18mph)33km/h (20mph)36km/h (22mph)22km/h (14mph)28km/h (17mph)28km/h (17mph)16km/h (10mph)
Direction 175°
S
162°
SSE
165°
SSE
174°
S
180°
S
171°
S
169°
S
162°
SSE
Wind chill3°C (38°F)2°C (36°F)3°C (37°F)3°C (38°F)8°C (47°F)8°C (46°F)6°C (42°F)6°C (43°F)
Waves
Height0.5m (1.6ft)0.5m (1.7ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.0ft)0.7m (2.3ft)0.9m (3.0ft)1.0m (3.3ft)
Direction 295°
WNW
296°
WNW
298°
WNW
299°
WNW
300°
WNW
300°
WNW
293°
WNW
121°
ESE
Period8.2 sec.8.0 sec.7.8 sec.7.8 sec.7.6 sec.7.4 sec.7.2 sec.7.1 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather on Tuesday 30 April 2024

On Tuesday 30 April 2024, the sun will rise at 05:47 and will set at 21:02 on the beach(es) of Portstewart. The outside temperature will be a high of 52°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 18.6mph km/h (with gusts up to 25.5mph). Wave height will be up to 5.2ft 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 (51°F)11°C (52°F)11°C (51°F)10°C (50°F)8°C (46°F)
Perceived temperature6°C (43°F)5°C (42°F)5°C (41°F)7°C (45°F)8°C (47°F)8°C (46°F)8°C (46°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%93%92%82%69%65%74%89%
Barometric pressure1011 hPa1011 hPa1011 hPa1011 hPa1011 hPa1010 hPa1010 hPa1011 hPa
Cloud cover98%100%51%11%100%5%17%100%
Heat index8°C (46°F)8°C (46°F)9°C (48°F)11°C (51°F)11°C (52°F)11°C (51°F)10°C (50°F)8°C (46°F)
Dew point7°C (45°F)7°C (44°F)7°C (45°F)8°C (46°F)6°C (43°F)4°C (40°F)6°C (42°F)6°C (43°F)
Wind
Speed12km/h (7mph)13km/h (8mph)25km/h (16mph)29km/h (18mph)30km/h (18mph)28km/h (17mph)17km/h (11mph)14km/h (9mph)
Gusts19km/h (12mph)24km/h (15mph)38km/h (24mph)39km/h (24mph)41km/h (25mph)33km/h (21mph)32km/h (20mph)26km/h (16mph)
Direction 136°
SE
128°
SE
130°
SE
122°
ESE
119°
ESE
117°
ESE
110°
ESE
114°
ESE
Wind chill6°C (43°F)5°C (42°F)5°C (41°F)7°C (45°F)8°C (47°F)8°C (46°F)8°C (46°F)6°C (42°F)
Waves
Height1.3m (4.3ft)1.6m (5.4ft)1.2m (3.9ft)0.9m (2.8ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.7ft)0.7m (2.3ft)
Direction 133°
SE
129°
SE
126°
SE
299°
WNW
302°
WNW
302°
WNW
295°
WNW
292°
WNW
Period7.3 sec.12.0 sec.6.3 sec.6.6 sec.11.0 sec.10.9 sec.10.8 sec.10.2 sec.
Significant height1.5m (4.9ft)1.6m (5.2ft)0.4m (1.3ft)0.7m (2.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Wednesday 1 May 2024

On Wednesday 1 May 2024, the sun will rise at 05:45 and will set at 21:04 on the beach(es) of Portstewart. The outside temperature will be a high of 52°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 13.7mph km/h (with gusts up to 19.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)8°C (47°F)8°C (47°F)10°C (50°F)11°C (51°F)11°C (51°F)10°C (49°F)8°C (47°F)
Perceived temperature5°C (41°F)6°C (42°F)6°C (44°F)8°C (46°F)9°C (48°F)9°C (48°F)7°C (45°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%90%91%85%81%83%85%90%
Barometric pressure1011 hPa1011 hPa1011 hPa1011 hPa1011 hPa1010 hPa1010 hPa1011 hPa
Cloud cover100%100%91%95%79%72%20%13%
Heat index8°C (47°F)8°C (47°F)8°C (47°F)10°C (50°F)11°C (51°F)11°C (51°F)10°C (49°F)8°C (47°F)
Dew point6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (45°F)7°C (44°F)
Wind
Speed22km/h (14mph)15km/h (9mph)11km/h (7mph)12km/h (8mph)11km/h (7mph)14km/h (9mph)14km/h (9mph)8km/h (5mph)
Gusts32km/h (20mph)21km/h (13mph)16km/h (10mph)17km/h (10mph)17km/h (10mph)21km/h (13mph)24km/h (15mph)16km/h (10mph)
Direction 79°
E
79°
E
79°
E
78°
ENE
68°
ENE
45°
NE
24°
NNE

N
Wind chill5°C (41°F)6°C (42°F)6°C (44°F)8°C (46°F)9°C (48°F)9°C (48°F)7°C (45°F)7°C (45°F)
Waves
Height0.5m (1.7ft)0.5m (1.6ft)0.5m (1.7ft)0.7m (2.4ft)1.3m (4.2ft)1.3m (4.1ft)1.1m (3.8ft)1.1m (3.5ft)
Direction 294°
WNW
294°
WNW
293°
WNW
303°
WNW
299°
WNW
297°
WNW
296°
WNW
293°
WNW
Period10.0 sec.9.9 sec.10.0 sec.12.9 sec.11.9 sec.11.3 sec.10.8 sec.10.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.0m (3.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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