Sea weather in Greystones in Ireland All the beach weather in Greystones

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

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

Date Outside temp. Our opinion
Saturday 18 July 202652°F to 61°Fdiscouraged
Sunday 19 July 202656°F to 61°Frecommended
Monday 20 July 202656°F to 61°Fdiscouraged
Tuesday 21 July 202654°F to 61°Fdiscouraged
Wednesday 22 July 202658°F to 63°Fdiscouraged
Thursday 23 July 202654°F to 61°Frecommended
Friday 24 July 202658°F to 65°Frecommended

Sea Weather: Your daily and hourly sea weather in Greystones

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:21 and will set at 21:39 on the beach(es) of Greystones. The outside temperature will be a high of 61°F t and a low of 52°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 15.5mph km/h (with gusts up to 26.7mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)13°C (55°F)13°C (55°F)16°C (61°F)16°C (60°F)13°C (56°F)14°C (58°F)13°C (56°F)
Perceived temperature13°C (55°F)11°C (52°F)11°C (52°F)16°C (61°F)16°C (60°F)11°C (52°F)13°C (55°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%84%82%69%64%70%73%85%
Barometric pressure1021 hPa1021 hPa1022 hPa1022 hPa1023 hPa1023 hPa1023 hPa1025 hPa
Cloud cover0%0%0%51%5%0%11%100%
Heat index14°C (57°F)13°C (55°F)13°C (55°F)16°C (61°F)16°C (60°F)13°C (56°F)14°C (58°F)13°C (56°F)
Dew point11°C (52°F)10°C (50°F)10°C (49°F)10°C (51°F)9°C (48°F)8°C (46°F)10°C (49°F)11°C (51°F)
Wind
Speed15km/h (9mph)13km/h (8mph)13km/h (8mph)19km/h (12mph)25km/h (15mph)21km/h (13mph)19km/h (12mph)18km/h (11mph)
Gusts29km/h (18mph)24km/h (15mph)21km/h (13mph)28km/h (17mph)43km/h (26mph)25km/h (15mph)37km/h (23mph)35km/h (22mph)
Direction 342°
NNW
330°
NNW
335°
NNW
360°
N
16°
NNE
37°
NE
18°
NNE
336°
NNW
Wind chill13°C (55°F)11°C (52°F)11°C (52°F)16°C (61°F)16°C (60°F)11°C (52°F)13°C (55°F)12°C (53°F)
Waves
Height0.5m (1.5ft)0.5m (1.8ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.5m (1.7ft)
Direction 358°
N
349°
N
355°
N
10°
N
19°
NNE
25°
NNE
25°
NNE
27°
NNE
Period13.0 sec.13.0 sec.13.1 sec.13.1 sec.13.2 sec.13.2 sec.13.1 sec.11.9 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:22 and will set at 21:38 on the beach(es) of Greystones. The outside temperature will be a high of 61°F t and a low of 56°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 11.8mph 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 temperature13°C (56°F)13°C (55°F)14°C (56°F)16°C (61°F)15°C (59°F)15°C (59°F)15°C (58°F)14°C (58°F)
Perceived temperature12°C (53°F)11°C (53°F)13°C (56°F)16°C (61°F)14°C (56°F)14°C (57°F)14°C (58°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%84%71%65%69%65%71%
Barometric pressure1026 hPa1026 hPa1026 hPa1027 hPa1028 hPa1028 hPa1028 hPa1029 hPa
Cloud cover15%16%15%13%5%21%11%15%
Heat index13°C (56°F)13°C (55°F)14°C (56°F)16°C (61°F)15°C (59°F)15°C (59°F)15°C (58°F)14°C (58°F)
Dew point12°C (53°F)11°C (52°F)11°C (52°F)11°C (52°F)8°C (47°F)9°C (49°F)8°C (46°F)9°C (49°F)
Wind
Speed18km/h (11mph)15km/h (9mph)8km/h (5mph)12km/h (7mph)19km/h (12mph)15km/h (9mph)8km/h (5mph)8km/h (5mph)
Gusts32km/h (20mph)28km/h (17mph)14km/h (9mph)18km/h (11mph)32km/h (20mph)26km/h (16mph)17km/h (10mph)16km/h (10mph)
Direction 339°
NNW
332°
NNW
334°
NNW
43°
NE
49°
NE
49°
NE
58°
ENE
353°
N
Wind chill12°C (53°F)11°C (53°F)13°C (56°F)16°C (61°F)14°C (56°F)14°C (57°F)14°C (58°F)14°C (57°F)
Waves
Height0.6m (2.0ft)0.5m (1.7ft)0.4m (1.4ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.6ft)0.1m (0.4ft)
Direction 32°
NNE
28°
NNE
25°
NNE
26°
NNE
40°
NE
162°
SSE
161°
SSE
161°
SSE
Period11.9 sec.11.9 sec.11.9 sec.3.8 sec.3.8 sec.3.8 sec.2.7 sec.19.4 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:24 and will set at 21:37 on the beach(es) of Greystones. The outside temperature will be a high of 61°F t and a low of 56°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 15.5mph km/h (with gusts up to 24.2mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)13°C (56°F)13°C (56°F)16°C (60°F)16°C (60°F)15°C (59°F)14°C (58°F)14°C (57°F)
Perceived temperature14°C (57°F)12°C (54°F)13°C (55°F)16°C (60°F)16°C (60°F)13°C (56°F)13°C (55°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%87%87%77%74%75%77%89%
Barometric pressure1029 hPa1028 hPa1029 hPa1029 hPa1030 hPa1030 hPa1030 hPa1031 hPa
Cloud cover24%29%4%56%15%4%4%2%
Heat index14°C (58°F)13°C (56°F)13°C (56°F)16°C (60°F)16°C (60°F)15°C (59°F)14°C (58°F)14°C (57°F)
Dew point9°C (49°F)11°C (52°F)11°C (52°F)11°C (53°F)11°C (52°F)10°C (51°F)10°C (51°F)12°C (54°F)
Wind
Speed10km/h (6mph)12km/h (7mph)9km/h (6mph)21km/h (13mph)25km/h (16mph)21km/h (13mph)20km/h (13mph)17km/h (11mph)
Gusts20km/h (12mph)21km/h (13mph)15km/h (9mph)28km/h (18mph)39km/h (24mph)23km/h (14mph)24km/h (15mph)33km/h (21mph)
Direction 339°
NNW
334°
NNW
328°
NNW

N
27°
NNE
25°
NNE
10°
N
346°
NNW
Wind chill14°C (57°F)12°C (54°F)13°C (55°F)16°C (60°F)16°C (60°F)13°C (56°F)13°C (55°F)13°C (55°F)
Waves
Height0.1m (0.5ft)0.2m (0.8ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)
Direction 161°
SSE
161°
SSE
31°
NNE
27°
NNE
25°
NNE
25°
NNE
162°
SSE
162°
SSE
Period19.4 sec.3.2 sec.4.9 sec.4.9 sec.4.9 sec.4.9 sec.17.7 sec.4.2 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:25 and will set at 21:35 on the beach(es) of Greystones. The outside temperature will be a high of 61°F t and a low of 54°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 19.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)13°C (56°F)14°C (56°F)16°C (61°F)14°C (57°F)14°C (56°F)15°C (59°F)15°C (60°F)
Perceived temperature12°C (54°F)12°C (54°F)13°C (55°F)16°C (61°F)12°C (54°F)13°C (55°F)15°C (59°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%84%75%77%80%78%82%
Barometric pressure1032 hPa1032 hPa1032 hPa1033 hPa1032 hPa1032 hPa1030 hPa1030 hPa
Cloud cover3%4%5%3%0%2%90%5%
Heat index14°C (57°F)13°C (56°F)14°C (56°F)16°C (61°F)14°C (57°F)14°C (56°F)15°C (59°F)15°C (60°F)
Dew point12°C (54°F)11°C (53°F)11°C (52°F)12°C (53°F)10°C (50°F)10°C (51°F)11°C (52°F)12°C (54°F)
Wind
Speed15km/h (9mph)13km/h (8mph)11km/h (7mph)15km/h (9mph)21km/h (13mph)13km/h (8mph)1km/h (1mph)15km/h (10mph)
Gusts29km/h (18mph)24km/h (15mph)19km/h (12mph)23km/h (14mph)22km/h (14mph)28km/h (17mph)3km/h (2mph)32km/h (20mph)
Direction 344°
NNW
341°
NNW
346°
NNW
30°
NNE
51°
NE
87°
E
81°
E
353°
N
Wind chill12°C (54°F)12°C (54°F)13°C (55°F)16°C (61°F)12°C (54°F)13°C (55°F)15°C (59°F)15°C (60°F)
Waves
Height0.4m (1.2ft)0.5m (1.5ft)0.5m (1.7ft)0.4m (1.4ft)0.3m (1.1ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.7ft)
Direction 161°
SSE
32°
NNE
27°
NNE
28°
NNE
26°
NNE
25°
NNE
163°
SSE
163°
SSE
Period5.2 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.3.9 sec.4.0 sec.
Significant height0.5m (1.6ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:27 and will set at 21:34 on the beach(es) of Greystones. The outside temperature will be a high of 63°F t and a low of 58°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 24.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)14°C (57°F)14°C (57°F)17°C (62°F)17°C (63°F)17°C (63°F)15°C (59°F)14°C (57°F)
Perceived temperature14°C (57°F)13°C (55°F)13°C (55°F)17°C (62°F)17°C (63°F)17°C (63°F)14°C (57°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%81%74%71%70%78%86%
Barometric pressure1029 hPa1028 hPa1027 hPa1026 hPa1026 hPa1025 hPa1024 hPa1025 hPa
Cloud cover48%48%47%37%46%34%31%16%
Heat index15°C (59°F)14°C (57°F)14°C (57°F)17°C (62°F)17°C (63°F)17°C (63°F)15°C (59°F)14°C (57°F)
Dew point12°C (53°F)11°C (52°F)11°C (51°F)12°C (54°F)12°C (54°F)12°C (53°F)11°C (52°F)11°C (53°F)
Wind
Speed13km/h (8mph)12km/h (7mph)12km/h (8mph)25km/h (15mph)26km/h (16mph)19km/h (12mph)17km/h (11mph)11km/h (7mph)
Gusts23km/h (14mph)20km/h (12mph)20km/h (12mph)35km/h (22mph)39km/h (24mph)35km/h (22mph)32km/h (20mph)22km/h (14mph)
Direction 331°
NNW
329°
NNW
325°
NW
343°
NNW
359°
N
34°
NNE
35°
NE
351°
N
Wind chill14°C (57°F)13°C (55°F)13°C (55°F)17°C (62°F)17°C (63°F)17°C (63°F)14°C (57°F)13°C (55°F)
Waves
Height0.3m (0.9ft)0.5m (1.7ft)0.6m (2.1ft)0.6m (2.0ft)0.5m (1.7ft)0.4m (1.5ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 163°
SSE
32°
NNE
344°
NNW
22°
NNE
35°
NE
30°
NNE
26°
NNE
28°
NNE
Period6.0 sec.5.6 sec.4.0 sec.4.0 sec.6.5 sec.6.0 sec.5.1 sec.4.9 sec.
Significant height0.5m (1.6ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:28 and will set at 21:33 on the beach(es) of Greystones. The outside temperature will be a high of 61°F t and a low of 54°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 11.2mph 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 temperature13°C (56°F)12°C (53°F)12°C (53°F)16°C (60°F)15°C (59°F)13°C (55°F)14°C (56°F)15°C (58°F)
Perceived temperature12°C (53°F)10°C (51°F)11°C (51°F)16°C (60°F)14°C (56°F)12°C (53°F)14°C (57°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%88%86%71%75%76%75%81%
Barometric pressure1025 hPa1025 hPa1026 hPa1026 hPa1027 hPa1027 hPa1026 hPa1026 hPa
Cloud cover0%2%14%3%9%2%7%3%
Heat index13°C (56°F)12°C (53°F)12°C (53°F)16°C (60°F)15°C (59°F)13°C (55°F)14°C (56°F)15°C (58°F)
Dew point11°C (52°F)10°C (49°F)9°C (49°F)10°C (50°F)10°C (51°F)9°C (48°F)9°C (49°F)11°C (52°F)
Wind
Speed17km/h (11mph)11km/h (7mph)9km/h (6mph)14km/h (9mph)18km/h (11mph)11km/h (7mph)5km/h (3mph)12km/h (7mph)
Gusts30km/h (19mph)19km/h (12mph)15km/h (10mph)20km/h (12mph)29km/h (18mph)23km/h (14mph)11km/h (7mph)24km/h (15mph)
Direction 341°
NNW
324°
NW
321°
NW
15°
NNE
57°
ENE
82°
E
80°
E
359°
N
Wind chill12°C (53°F)10°C (51°F)11°C (51°F)16°C (60°F)14°C (56°F)12°C (53°F)14°C (57°F)14°C (57°F)
Waves
Height0.5m (1.6ft)0.5m (1.8ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (0.9ft)
Direction 29°
NNE
29°
NNE
29°
NNE
29°
NNE
29°
NNE
28°
NNE
28°
NNE
24°
NNE
Period5.1 sec.4.7 sec.4.5 sec.14.6 sec.14.6 sec.4.8 sec.4.4 sec.4.1 sec.
Significant height0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.4m (1.3ft)0.3m (1ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:29 and will set at 21:31 on the beach(es) of Greystones. The outside temperature will be a high of 65°F t and a low of 58°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 6.2mph km/h (with gusts up to 12.4mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)15°C (58°F)16°C (61°F)17°C (62°F)18°C (65°F)18°C (64°F)16°C (61°F)
Perceived temperature15°C (59°F)14°C (58°F)15°C (58°F)16°C (61°F)17°C (62°F)18°C (65°F)18°C (64°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%86%83%74%67%58%67%77%
Barometric pressure1027 hPa1026 hPa1025 hPa1025 hPa1024 hPa1023 hPa1021 hPa1020 hPa
Cloud cover19%17%100%96%100%23%30%8%
Heat index14°C (58°F)14°C (58°F)15°C (58°F)16°C (61°F)17°C (62°F)18°C (65°F)18°C (64°F)16°C (61°F)
Dew point12°C (53°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (51°F)10°C (50°F)12°C (53°F)12°C (54°F)
Wind
Speed4km/h (2mph)6km/h (4mph)3km/h (2mph)5km/h (3mph)9km/h (6mph)10km/h (6mph)4km/h (2mph)6km/h (4mph)
Gusts8km/h (5mph)11km/h (7mph)4km/h (3mph)8km/h (5mph)15km/h (9mph)20km/h (12mph)8km/h (5mph)12km/h (8mph)
Direction 310°
NW
333°
NNW
318°
NW
159°
SSE
138°
SE
187°
S
116°
ESE
269°
W
Wind chill15°C (59°F)14°C (58°F)15°C (58°F)16°C (61°F)17°C (62°F)18°C (65°F)18°C (64°F)16°C (61°F)
Waves
Height0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.6ft)
Direction 23°
NNE
25°
NNE
166°
SSE
166°
SSE
166°
SSE
165°
SSE
165°
SSE
166°
SSE
Period3.8 sec.3.6 sec.3.5 sec.3.6 sec.3.6 sec.3.5 sec.3.2 sec.2.1 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units