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
Thursday 29 January 202640°F to 43°Fnot recommended
Friday 30 January 202640°F to 47°Fnot recommended
Saturday 31 January 202643°F to 45°Fdiscouraged
Sunday 1 February 202641°F to 47°Fdiscouraged
Monday 2 February 202640°F to 43°Fdiscouraged
Tuesday 3 February 202643°F to 49°Fdiscouraged
Wednesday 4 February 202643°F to 47°Fdiscouraged

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

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 08:06 and will set at 16:55 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 43°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! Be careful, the sea will be generally rough with a wind speed of up to 27.3mph km/h (with gusts up to 37.9mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)5°C (42°F)5°C (40°F)4°C (40°F)5°C (42°F)6°C (43°F)6°C (42°F)5°C (41°F)
Perceived temperature2°C (36°F)1°C (34°F)-0°C (32°F)-1°C (30°F)-0°C (32°F)1°C (33°F)-0°C (32°F)-1°C (31°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%85%84%86%78%75%79%84%
Barometric pressure995 hPa995 hPa995 hPa995 hPa994 hPa992 hPa990 hPa989 hPa
Cloud cover17%9%7%7%6%72%66%100%
Heat index6°C (42°F)5°C (42°F)5°C (40°F)4°C (40°F)5°C (42°F)6°C (43°F)6°C (42°F)5°C (41°F)
Dew point3°C (37°F)3°C (37°F)2°C (36°F)2°C (36°F)2°C (35°F)2°C (36°F)2°C (36°F)3°C (37°F)
Wind
Speed18km/h (11mph)22km/h (14mph)27km/h (17mph)32km/h (20mph)36km/h (22mph)38km/h (23mph)42km/h (26mph)44km/h (27mph)
Gusts33km/h (20mph)29km/h (18mph)30km/h (19mph)37km/h (23mph)40km/h (25mph)55km/h (34mph)47km/h (29mph)61km/h (38mph)
Direction 123°
ESE
116°
ESE
114°
ESE
111°
ESE
117°
ESE
120°
ESE
111°
ESE
116°
ESE
Wind chill2°C (36°F)1°C (34°F)-0°C (32°F)-1°C (30°F)-0°C (32°F)1°C (33°F)-0°C (32°F)-1°C (31°F)
Waves
Height0.7m (2.3ft)0.9m (2.8ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (4.1ft)1.4m (4.6ft)1.5m (5.1ft)
Direction 89°
E
88°
E
90°
E
94°
E
94°
E
95°
E
91°
E
91°
E
Period11.1 sec.11.0 sec.10.9 sec.10.1 sec.10.1 sec.9.9 sec.9.1 sec.9.9 sec.
Significant height0.9m (3ft)1.1m (3.6ft)1.3m (4.3ft)1.4m (4.6ft)1.6m (5.2ft)1.5m (4.9ft)1.7m (5.6ft)1.8m (5.9ft)
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 Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 08:04 and will set at 16:57 on the beach(es) of Snowdonia National Park. 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! Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 34.2mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)5°C (41°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (45°F)
Perceived temperature-2°C (29°F)-0°C (32°F)2°C (35°F)3°C (37°F)4°C (39°F)4°C (39°F)3°C (37°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%89%87%87%83%82%86%87%
Barometric pressure987 hPa986 hPa984 hPa984 hPa985 hPa984 hPa984 hPa985 hPa
Cloud cover100%84%99%100%35%66%65%100%
Heat index4°C (40°F)5°C (41°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (45°F)
Dew point3°C (37°F)3°C (38°F)4°C (40°F)5°C (41°F)5°C (41°F)5°C (40°F)5°C (40°F)5°C (41°F)
Wind
Speed41km/h (26mph)34km/h (21mph)31km/h (19mph)26km/h (16mph)22km/h (14mph)22km/h (14mph)24km/h (15mph)30km/h (19mph)
Gusts55km/h (34mph)49km/h (30mph)46km/h (28mph)41km/h (26mph)34km/h (21mph)35km/h (22mph)40km/h (25mph)44km/h (27mph)
Direction 119°
ESE
120°
ESE
116°
ESE
118°
ESE
118°
ESE
108°
ESE
87°
E
90°
E
Wind chill-2°C (29°F)-0°C (32°F)2°C (35°F)3°C (37°F)4°C (39°F)4°C (39°F)3°C (37°F)3°C (37°F)
Waves
Height1.6m (5.1ft)1.3m (4.4ft)1.0m (3.4ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.6ft)1.0m (3.2ft)1.0m (3.1ft)
Direction 91°
E
91°
E
90°
E
86°
E
262°
W
261°
W
77°
ENE
72°
ENE
Period9.9 sec.8.9 sec.8.8 sec.13.5 sec.13.3 sec.16.6 sec.16.8 sec.16.1 sec.
Significant height1.7m (5.6ft)1.4m (4.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.3m (4.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 08:02 and will set at 16:59 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 45°F t and a low of 43°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 23mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)6°C (43°F)6°C (43°F)
Perceived temperature2°C (36°F)2°C (36°F)3°C (37°F)4°C (38°F)7°C (44°F)5°C (41°F)4°C (39°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%94%94%93%92%93%90%91%
Barometric pressure986 hPa987 hPa988 hPa990 hPa992 hPa993 hPa995 hPa996 hPa
Cloud cover100%100%100%100%100%100%75%37%
Heat index7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)7°C (44°F)6°C (43°F)6°C (43°F)
Dew point5°C (42°F)5°C (42°F)5°C (42°F)5°C (42°F)5°C (41°F)6°C (42°F)5°C (41°F)4°C (40°F)
Wind
Speed27km/h (17mph)22km/h (14mph)20km/h (13mph)13km/h (8mph)1km/h (1mph)7km/h (4mph)12km/h (7mph)15km/h (9mph)
Gusts37km/h (23mph)31km/h (19mph)29km/h (18mph)19km/h (12mph)2km/h (1mph)10km/h (6mph)20km/h (13mph)27km/h (17mph)
Direction 95°
E
87°
E
87°
E
79°
E
305°
NW
260°
W
225°
SW
195°
SSW
Wind chill2°C (36°F)2°C (36°F)3°C (37°F)4°C (38°F)7°C (44°F)5°C (41°F)4°C (39°F)3°C (37°F)
Waves
Height0.9m (3.1ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (2.8ft)0.7m (2.5ft)0.6m (2.0ft)0.5m (1.6ft)0.4m (1.4ft)
Direction 67°
ENE
59°
ENE
51°
NE
43°
NE
21°
NNE
268°
W
269°
W
270°
W
Period16.7 sec.15.6 sec.14.9 sec.14.5 sec.13.6 sec.7.5 sec.9.0 sec.11.4 sec.
Significant height1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 08:01 and will set at 17:01 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 47°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 20.5mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)6°C (44°F)5°C (42°F)5°C (41°F)
Perceived temperature4°C (39°F)4°C (40°F)3°C (38°F)4°C (39°F)3°C (38°F)3°C (38°F)2°C (36°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%86%88%90%79%74%81%84%
Barometric pressure996 hPa996 hPa996 hPa995 hPa996 hPa996 hPa996 hPa995 hPa
Cloud cover100%92%78%100%37%17%100%100%
Heat index7°C (44°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)6°C (44°F)5°C (42°F)5°C (41°F)
Dew point5°C (42°F)5°C (42°F)5°C (41°F)5°C (41°F)3°C (37°F)2°C (36°F)2°C (36°F)2°C (36°F)
Wind
Speed15km/h (9mph)21km/h (13mph)21km/h (13mph)12km/h (7mph)15km/h (9mph)16km/h (10mph)17km/h (10mph)10km/h (6mph)
Gusts25km/h (16mph)33km/h (20mph)31km/h (19mph)18km/h (11mph)23km/h (14mph)26km/h (16mph)28km/h (18mph)18km/h (11mph)
Direction 182°
S
190°
S
198°
SSW
174°
S
282°
WNW
249°
WSW
213°
SSW
196°
SSW
Wind chill4°C (39°F)4°C (40°F)3°C (38°F)4°C (39°F)3°C (38°F)3°C (38°F)2°C (36°F)3°C (37°F)
Waves
Height0.4m (1.4ft)0.8m (2.6ft)1.4m (4.8ft)1.2m (3.8ft)1.0m (3.4ft)1.0m (3.2ft)0.8m (2.8ft)0.7m (2.2ft)
Direction 270°
W
102°
ESE
236°
WSW
253°
WSW
260°
W
257°
WSW
225°
SW
256°
WSW
Period12.8 sec.6.8 sec.4.4 sec.3.9 sec.7.9 sec.10.3 sec.8.3 sec.6.9 sec.
Significant height0.7m (2.3ft)1.2m (3.9ft)1.5m (4.9ft)1.1m (3.6ft)1.0m (3.3ft)1.2m (3.9ft)1.1m (3.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:59 and will set at 17:03 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 43°F t and a low of 40°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 18.6mph km/h (with gusts up to 27.3mph). 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)4°C (39°F)4°C (40°F)5°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)
Perceived temperature2°C (36°F)-0°C (32°F)-1°C (31°F)-1°C (31°F)1°C (33°F)1°C (34°F)3°C (37°F)3°C (38°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity81%80%84%87%90%94%95%92%
Barometric pressure994 hPa991 hPa989 hPa988 hPa985 hPa983 hPa982 hPa983 hPa
Cloud cover44%3%6%39%100%100%100%100%
Heat index5°C (41°F)4°C (40°F)4°C (39°F)4°C (40°F)5°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)
Dew point2°C (35°F)1°C (34°F)2°C (35°F)2°C (36°F)4°C (39°F)5°C (40°F)5°C (41°F)5°C (40°F)
Wind
Speed12km/h (7mph)22km/h (13mph)24km/h (15mph)30km/h (19mph)28km/h (17mph)28km/h (17mph)13km/h (8mph)12km/h (7mph)
Gusts20km/h (13mph)37km/h (23mph)38km/h (24mph)44km/h (27mph)39km/h (24mph)41km/h (26mph)21km/h (13mph)18km/h (11mph)
Direction 135°
SE
98°
E
104°
ESE
101°
ESE
89°
E
87°
E
103°
ESE
199°
SSW
Wind chill2°C (36°F)-0°C (32°F)-1°C (31°F)-1°C (31°F)1°C (33°F)1°C (34°F)3°C (37°F)3°C (38°F)
Waves
Height0.7m (2.5ft)0.9m (3.0ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.2ft)0.7m (2.3ft)0.5m (1.5ft)0.3m (1.1ft)
Direction 146°
SSE
97°
E
101°
ESE
97°
E
97°
E
104°
ESE
208°
SSW
242°
WSW
Period7.2 sec.7.5 sec.8.7 sec.9.5 sec.10.7 sec.5.5 sec.6.3 sec.4.1 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)0.7m (2.3ft)0.4m (1.3ft)0.3m (1ft)
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 Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:58 and will set at 17:05 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 49°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 16.2mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (45°F)7°C (45°F)7°C (44°F)8°C (46°F)9°C (48°F)7°C (44°F)6°C (43°F)
Perceived temperature3°C (38°F)4°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)6°C (42°F)4°C (39°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%88%84%84%78%77%85%88%
Barometric pressure984 hPa986 hPa988 hPa989 hPa991 hPa991 hPa992 hPa992 hPa
Cloud cover54%87%75%99%14%88%44%6%
Heat index7°C (44°F)7°C (45°F)7°C (45°F)7°C (44°F)8°C (46°F)9°C (48°F)7°C (44°F)6°C (43°F)
Dew point5°C (42°F)6°C (42°F)5°C (41°F)4°C (40°F)4°C (40°F)5°C (41°F)4°C (39°F)4°C (39°F)
Wind
Speed21km/h (13mph)26km/h (16mph)22km/h (13mph)15km/h (10mph)17km/h (11mph)20km/h (12mph)14km/h (9mph)19km/h (12mph)
Gusts33km/h (20mph)38km/h (23mph)34km/h (21mph)26km/h (16mph)28km/h (18mph)33km/h (21mph)29km/h (18mph)23km/h (14mph)
Direction 203°
SSW
187°
S
178°
S
147°
SSE
142°
SE
151°
SSE
133°
SE
125°
SE
Wind chill3°C (38°F)4°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)6°C (42°F)4°C (39°F)2°C (36°F)
Waves
Height0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.3m (0.9ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 251°
WSW
255°
WSW
256°
WSW
259°
WSW
274°
W
266°
W
264°
W
264°
W
Period7.4 sec.8.0 sec.8.8 sec.8.0 sec.11.1 sec.11.1 sec.9.0 sec.7.0 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 07:56 and will set at 17:07 on the beach(es) of Snowdonia National Park. The outside temperature will be a high of 47°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 16.8mph km/h (with gusts up to 27.3mph). Wave height will be up to 2.6ft 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 (44°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (44°F)
Perceived temperature2°C (35°F)1°C (35°F)2°C (35°F)3°C (37°F)4°C (39°F)4°C (38°F)3°C (38°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%86%85%82%79%79%83%87%
Barometric pressure991 hPa990 hPa989 hPa988 hPa988 hPa988 hPa988 hPa989 hPa
Cloud cover28%50%67%46%100%73%81%47%
Heat index6°C (42°F)6°C (42°F)6°C (43°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (44°F)
Dew point4°C (39°F)4°C (39°F)4°C (39°F)4°C (39°F)4°C (40°F)4°C (39°F)4°C (39°F)4°C (40°F)
Wind
Speed22km/h (14mph)26km/h (16mph)25km/h (15mph)26km/h (16mph)25km/h (15mph)27km/h (17mph)21km/h (13mph)23km/h (15mph)
Gusts25km/h (16mph)30km/h (19mph)32km/h (20mph)44km/h (27mph)38km/h (24mph)42km/h (26mph)37km/h (23mph)41km/h (26mph)
Direction 119°
ESE
117°
ESE
118°
ESE
124°
ESE
131°
SE
138°
SE
126°
SE
119°
ESE
Wind chill2°C (35°F)1°C (35°F)2°C (35°F)3°C (37°F)4°C (39°F)4°C (38°F)3°C (38°F)3°C (37°F)
Waves
Height0.4m (1.3ft)0.4m (1.5ft)0.6m (1.9ft)0.5m (1.8ft)0.4m (1.5ft)0.6m (1.9ft)0.6m (2.0ft)0.8m (2.6ft)
Direction 263°
W
233°
SW
196°
SSW
253°
WSW
251°
WSW
95°
E
96°
E
97°
E
Period8.6 sec.10.4 sec.12.4 sec.6.5 sec.6.6 sec.6.5 sec.6.6 sec.6.8 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)0.7m (2.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units