Sea weather in Snowdonia National Park in Wales All the beach weather in Snowdonia National Park

All the essential weather information for enjoying the beach in Snowdonia National Park in Wales, 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 Snowdonia National Park over the next 7 days?

Discover the best moment to go to the beach in Snowdonia National Park in Wales this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Snowdonia National Park. 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 202652°F to 58°Fnot recommended
Thursday 4 June 202652°F to 56°Fnot recommended
Friday 5 June 202650°F to 56°Fdiscouraged
Saturday 6 June 202652°F to 58°Fnot recommended
Sunday 7 June 202650°F to 59°Fnot recommended
Monday 8 June 202652°F to 58°Fdiscouraged
Tuesday 9 June 202650°F to 58°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Snowdonia National Park

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 04:55 and will set at 21:36 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 58°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! Be careful, the sea will be generally rough with a wind speed of up to 28.6mph km/h (with gusts up to 32.3mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)11°C (52°F)12°C (53°F)12°C (54°F)14°C (57°F)13°C (55°F)12°C (54°F)12°C (53°F)
Perceived temperature10°C (50°F)9°C (49°F)9°C (49°F)9°C (49°F)11°C (51°F)10°C (50°F)9°C (48°F)8°C (47°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%94%88%91%87%86%88%91%
Barometric pressure1005 hPa1003 hPa1000 hPa995 hPa992 hPa992 hPa990 hPa990 hPa
Cloud cover100%74%89%100%40%100%27%53%
Heat index12°C (54°F)11°C (52°F)12°C (53°F)12°C (54°F)14°C (57°F)13°C (55°F)12°C (54°F)12°C (53°F)
Dew point11°C (52°F)10°C (51°F)10°C (50°F)11°C (51°F)12°C (53°F)11°C (51°F)10°C (50°F)10°C (51°F)
Wind
Speed22km/h (14mph)17km/h (10mph)22km/h (14mph)26km/h (16mph)46km/h (29mph)36km/h (22mph)44km/h (27mph)40km/h (25mph)
Gusts36km/h (22mph)27km/h (17mph)34km/h (21mph)40km/h (25mph)52km/h (32mph)38km/h (24mph)44km/h (27mph)41km/h (26mph)
Direction 253°
WSW
218°
SW
194°
SSW
159°
SSE
219°
SW
223°
SW
223°
SW
217°
SW
Wind chill10°C (50°F)9°C (49°F)9°C (49°F)9°C (49°F)11°C (51°F)10°C (50°F)9°C (48°F)8°C (47°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.5m (1.6ft)0.6m (1.9ft)1.1m (3.6ft)1.1m (3.5ft)0.9m (3.0ft)1.1m (3.8ft)
Direction 276°
W
279°
W
281°
W
213°
SSW
224°
SW
230°
SW
238°
WSW
243°
WSW
Period10.5 sec.8.4 sec.5.8 sec.3.8 sec.3.6 sec.4.0 sec.5.7 sec.7.9 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.9m (3ft)1.7m (5.6ft)1.4m (4.6ft)1.2m (3.9ft)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 Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 04:54 and will set at 21:37 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 56°F t and a low of 52°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 35.4mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)13°C (55°F)12°C (54°F)11°C (52°F)
Perceived temperature9°C (47°F)8°C (47°F)8°C (47°F)9°C (48°F)9°C (48°F)10°C (50°F)9°C (48°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%92%87%87%89%84%89%91%
Barometric pressure988 hPa987 hPa988 hPa990 hPa992 hPa994 hPa997 hPa1000 hPa
Cloud cover78%100%72%79%95%75%100%100%
Heat index12°C (53°F)12°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)13°C (55°F)12°C (54°F)11°C (52°F)
Dew point10°C (51°F)10°C (51°F)9°C (49°F)10°C (50°F)10°C (51°F)10°C (51°F)10°C (50°F)10°C (50°F)
Wind
Speed38km/h (24mph)39km/h (24mph)33km/h (21mph)41km/h (25mph)40km/h (25mph)37km/h (23mph)37km/h (23mph)43km/h (27mph)
Gusts56km/h (35mph)56km/h (35mph)50km/h (31mph)56km/h (35mph)57km/h (36mph)39km/h (24mph)42km/h (26mph)46km/h (29mph)
Direction 219°
SW
230°
SW
248°
WSW
241°
WSW
249°
WSW
260°
W
261°
W
271°
W
Wind chill9°C (47°F)8°C (47°F)8°C (47°F)9°C (48°F)9°C (48°F)10°C (50°F)9°C (48°F)8°C (46°F)
Waves
Height1.2m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)1.3m (4.4ft)
Direction 243°
WSW
243°
WSW
260°
W
278°
W
280°
W
279°
W
278°
W
282°
WNW
Period8.0 sec.7.9 sec.9.3 sec.9.3 sec.9.3 sec.9.3 sec.14.0 sec.13.3 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)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 Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 04:53 and will set at 21:38 on the beach(es) of Snowdonia National Park. 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 24.9mph km/h (with gusts up to 30.5mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (50°F)10°C (50°F)11°C (52°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (53°F)
Perceived temperature7°C (44°F)6°C (43°F)7°C (44°F)9°C (48°F)10°C (49°F)11°C (51°F)10°C (51°F)10°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%81%79%71%66%61%72%78%
Barometric pressure1002 hPa1005 hPa1007 hPa1008 hPa1009 hPa1008 hPa1007 hPa1007 hPa
Cloud cover100%81%58%27%12%19%24%60%
Heat index11°C (51°F)10°C (50°F)10°C (50°F)11°C (52°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (53°F)
Dew point9°C (48°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)7°C (45°F)8°C (46°F)
Wind
Speed40km/h (25mph)34km/h (21mph)29km/h (18mph)24km/h (15mph)26km/h (16mph)23km/h (14mph)18km/h (11mph)12km/h (7mph)
Gusts41km/h (26mph)49km/h (30mph)41km/h (26mph)32km/h (20mph)37km/h (23mph)35km/h (22mph)30km/h (19mph)20km/h (12mph)
Direction 271°
W
268°
W
261°
W
244°
WSW
226°
SW
209°
SSW
195°
SSW
141°
SE
Wind chill7°C (44°F)6°C (43°F)7°C (44°F)9°C (48°F)10°C (49°F)11°C (51°F)10°C (51°F)10°C (51°F)
Waves
Height1.5m (4.9ft)1.4m (4.7ft)1.2m (4.0ft)1.0m (3.2ft)0.7m (2.3ft)0.6m (1.9ft)0.5m (1.7ft)0.3m (1.1ft)
Direction 286°
WNW
286°
WNW
287°
WNW
286°
WNW
286°
WNW
283°
WNW
266°
W
252°
WSW
Period12.9 sec.13.4 sec.13.7 sec.12.1 sec.10.2 sec.5.6 sec.4.6 sec.4.8 sec.
Significant height1.4m (4.6ft)1.2m (3.9ft)1.0m (3.3ft)0.9m (3ft)0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.5m (1.6ft)
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 6 June 2026

On Saturday 6 June 2026, the sun will rise at 04:53 and will set at 21:39 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 58°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! Be careful, the sea will be generally rough with a wind speed of up to 28.6mph km/h (with gusts up to 30.5mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (53°F)11°C (52°F)13°C (55°F)13°C (55°F)13°C (56°F)13°C (55°F)12°C (53°F)
Perceived temperature9°C (48°F)8°C (47°F)8°C (46°F)10°C (49°F)11°C (51°F)12°C (54°F)11°C (51°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%88%87%89%90%91%92%
Barometric pressure1005 hPa1001 hPa998 hPa996 hPa995 hPa996 hPa999 hPa1005 hPa
Cloud cover100%67%100%78%100%100%65%100%
Heat index11°C (52°F)11°C (53°F)11°C (52°F)13°C (55°F)13°C (55°F)13°C (56°F)13°C (55°F)12°C (53°F)
Dew point8°C (46°F)8°C (46°F)9°C (49°F)10°C (51°F)11°C (52°F)12°C (53°F)11°C (53°F)10°C (51°F)
Wind
Speed20km/h (12mph)29km/h (18mph)35km/h (21mph)35km/h (22mph)23km/h (14mph)13km/h (8mph)23km/h (14mph)46km/h (29mph)
Gusts32km/h (20mph)43km/h (27mph)35km/h (22mph)49km/h (30mph)37km/h (23mph)21km/h (13mph)37km/h (23mph)49km/h (31mph)
Direction 119°
ESE
125°
SE
120°
ESE
122°
ESE
102°
ESE
199°
SSW
247°
WSW
277°
W
Wind chill9°C (48°F)8°C (47°F)8°C (46°F)10°C (49°F)11°C (51°F)12°C (54°F)11°C (51°F)8°C (46°F)
Waves
Height0.3m (0.9ft)0.3m (1.0ft)0.7m (2.2ft)1.1m (3.7ft)1.3m (4.4ft)1.0m (3.3ft)0.7m (2.2ft)0.5m (1.8ft)
Direction 248°
WSW
150°
SSE
94°
E
92°
E
92°
E
88°
E
81°
E
251°
WSW
Period4.9 sec.4.9 sec.5.4 sec.5.9 sec.6.8 sec.7.6 sec.4.4 sec.4.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)1.2m (3.9ft)1.4m (4.6ft)1.3m (4.3ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (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 7 June 2026

On Sunday 7 June 2026, the sun will rise at 04:52 and will set at 21:40 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 59°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! 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 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (51°F)12°C (54°F)14°C (57°F)15°C (58°F)14°C (56°F)13°C (55°F)13°C (56°F)
Perceived temperature7°C (45°F)7°C (45°F)10°C (49°F)11°C (52°F)12°C (54°F)11°C (51°F)10°C (50°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%82%95%91%83%90%92%92%
Barometric pressure1010 hPa1012 hPa1012 hPa1013 hPa1014 hPa1014 hPa1013 hPa1011 hPa
Cloud cover35%100%100%96%46%60%94%100%
Heat index11°C (51°F)10°C (51°F)12°C (54°F)14°C (57°F)15°C (58°F)14°C (56°F)13°C (55°F)13°C (56°F)
Dew point8°C (46°F)8°C (46°F)12°C (53°F)12°C (54°F)12°C (53°F)12°C (54°F)12°C (53°F)12°C (53°F)
Wind
Speed39km/h (24mph)28km/h (18mph)33km/h (21mph)40km/h (25mph)43km/h (27mph)40km/h (25mph)33km/h (20mph)38km/h (23mph)
Gusts41km/h (26mph)42km/h (26mph)35km/h (22mph)45km/h (28mph)48km/h (30mph)41km/h (26mph)37km/h (23mph)41km/h (25mph)
Direction 259°
W
219°
SW
216°
SW
218°
SW
218°
SW
213°
SSW
210°
SSW
200°
SSW
Wind chill7°C (45°F)7°C (45°F)10°C (49°F)11°C (52°F)12°C (54°F)11°C (51°F)10°C (50°F)10°C (50°F)
Waves
Height0.8m (2.8ft)1.2m (3.9ft)1.1m (3.6ft)0.8m (2.5ft)0.5m (1.7ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.0ft)
Direction 285°
WNW
274°
W
278°
W
278°
W
281°
W
271°
W
256°
WSW
252°
WSW
Period5.4 sec.5.4 sec.5.2 sec.7.6 sec.8.4 sec.8.1 sec.8.0 sec.7.3 sec.
Significant height1.2m (3.9ft)1.3m (4.3ft)1.2m (3.9ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)
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 Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 04:51 and will set at 21:41 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 58°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 24.2mph km/h (with gusts up to 29.2mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)14°C (56°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 temperature10°C (51°F)11°C (51°F)7°C (45°F)9°C (48°F)9°C (49°F)11°C (51°F)10°C (51°F)9°C (48°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity92%97%89%80%70%65%74%82%
Barometric pressure1007 hPa1005 hPa1008 hPa1012 hPa1014 hPa1015 hPa1016 hPa1017 hPa
Cloud cover100%100%50%13%13%20%43%44%
Heat index13°C (56°F)14°C (56°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 point12°C (54°F)13°C (56°F)9°C (48°F)8°C (47°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (47°F)
Wind
Speed38km/h (24mph)39km/h (24mph)32km/h (20mph)30km/h (18mph)28km/h (18mph)26km/h (16mph)21km/h (13mph)21km/h (13mph)
Gusts41km/h (26mph)39km/h (24mph)47km/h (29mph)40km/h (25mph)41km/h (26mph)41km/h (25mph)35km/h (22mph)38km/h (23mph)
Direction 187°
S
220°
SW
318°
NW
285°
WNW
269°
W
248°
WSW
241°
WSW
248°
WSW
Wind chill10°C (51°F)11°C (51°F)7°C (45°F)9°C (48°F)9°C (49°F)11°C (51°F)10°C (51°F)9°C (48°F)
Waves
Height0.3m (1.0ft)0.4m (1.3ft)0.6m (1.9ft)1.0m (3.4ft)1.1m (3.7ft)1.0m (3.3ft)0.8m (2.5ft)0.7m (2.4ft)
Direction 239°
WSW
228°
SW
197°
SSW
232°
SW
236°
SW
249°
WSW
267°
W
282°
WNW
Period6.8 sec.7.2 sec.6.2 sec.3.9 sec.3.4 sec.3.4 sec.8.5 sec.6.5 sec.
Significant height0.5m (1.6ft)0.8m (2.6ft)1.0m (3.3ft)1.4m (4.6ft)1.4m (4.6ft)1.2m (3.9ft)0.8m (2.6ft)0.8m (2.6ft)
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 Tuesday 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 04:51 and will set at 21:42 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 58°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! Be careful, the sea will be generally rough with a wind speed of up to 32.3mph km/h (with gusts up to 34.2mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (50°F)11°C (51°F)13°C (55°F)14°C (56°F)14°C (57°F)13°C (55°F)13°C (55°F)
Perceived temperature8°C (46°F)7°C (45°F)8°C (46°F)10°C (50°F)11°C (51°F)11°C (52°F)9°C (49°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%84%72%71%71%78%82%
Barometric pressure1017 hPa1018 hPa1018 hPa1018 hPa1017 hPa1016 hPa1014 hPa1012 hPa
Cloud cover13%62%25%17%27%80%35%42%
Heat index11°C (51°F)10°C (50°F)11°C (51°F)13°C (55°F)14°C (56°F)14°C (57°F)13°C (55°F)13°C (55°F)
Dew point8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)8°C (47°F)9°C (48°F)9°C (48°F)9°C (49°F)
Wind
Speed23km/h (15mph)23km/h (15mph)25km/h (16mph)29km/h (18mph)38km/h (24mph)43km/h (27mph)46km/h (29mph)52km/h (32mph)
Gusts40km/h (25mph)37km/h (23mph)35km/h (22mph)39km/h (24mph)55km/h (34mph)48km/h (30mph)50km/h (31mph)55km/h (34mph)
Direction 251°
WSW
244°
WSW
233°
SW
225°
SW
221°
SW
216°
SW
206°
SSW
205°
SSW
Wind chill8°C (46°F)7°C (45°F)8°C (46°F)10°C (50°F)11°C (51°F)11°C (52°F)9°C (49°F)9°C (48°F)
Waves
Height0.8m (2.5ft)0.7m (2.4ft)0.7m (2.4ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.5m (1.7ft)0.4m (1.3ft)
Direction 283°
WNW
288°
WNW
288°
WNW
288°
WNW
281°
WNW
254°
WSW
246°
WSW
249°
WSW
Period8.1 sec.7.5 sec.7.0 sec.6.7 sec.4.2 sec.4.2 sec.5.0 sec.4.6 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)0.7m (2.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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