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Traeth Tywyn Mawr Beach Weather and Tides

Isle of Anglesey, Wales

Latest Observations

03:00 Sun 1 Nov

13°C

15mph

Sea Temperature

0°C

Latest weather observations are for the nearest observation point and may not necessarily be accurate for this beach, especially when the weather is very changeable. Sea temperatures are the latest satellite surface temperature measurement for open water closest to the beach. Sea temperatures are a guideline only and can be affected by local conditions.

Sun

Min. 7°C

Mon

12°C

Tue

12°C

Wed

12°C

Thu

11°C

Fri

11°C

First light 06:05 Dawn 06:47 Sunrise 07:24 Sunset 16:39 Dusk 17:16 Nightfall 17:57 Waning Crescent Moon

5 November 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Summary
Chance of Rain 0% 0% 3% 10% 3% 3% 0% 3% 3% 3% 13% 4% 4% 4% 0% 0% 2% 2% 3% 0% 2% 0% 2% 0%
Temperature 9°C 9°C 9°C 9°C 9°C 9°C 9°C 9°C 9°C 9°C 10°C 10°C 11°C 11°C 11°C 11°C 10°C 10°C 9°C 9°C 9°C 9°C 9°C 8°C
Feels like 6°C 6°C 6°C 6°C 6°C 6°C 6°C 6°C 6°C 7°C 7°C 8°C 8°C 9°C 9°C 9°C 8°C 7°C 7°C 7°C 7°C 6°C 6°C 6°C
Humidity 80% 81% 82% 82% 82% 83% 84% 84% 84% 81% 77% 74% 72% 70% 69% 71% 73% 75% 76% 77% 78% 79% 79% 81%
Visibility Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good Very Good
Pressure 1,033 mb 1,033 mb 1,033 mb 1,033 mb 1,032 mb 1,032 mb 1,032 mb 1,032 mb 1,032 mb 1,032 mb 1,032 mb 1,032 mb 1,032 mb 1,031 mb 1,031 mb 1,031 mb 1,030 mb 1,030 mb 1,030 mb 1,030 mb 1,030 mb 1,030 mb 1,030 mb 1,030 mb
Wind Direction
Wind Speed 14mph 15mph 14mph 14mph 13mph 14mph 14mph 14mph 15mph 16mph 17mph 17mph 18mph 18mph 17mph 16mph 16mph 15mph 14mph 13mph 13mph 13mph 13mph 13mph
Gusting to 23mph 22mph 22mph 20mph 22mph 22mph 24mph 25mph 27mph 28mph 28mph 28mph 27mph 26mph 24mph 24mph 23mph 22mph 21mph 21mph 20mph 20mph 19mph 18mph
Beaufort Scale
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze
4
Moderate Breeze

Weather forecast and current observations are supplied by the Met Office. Forecast is for the nearest Met Office forecast location and may not be precisely accurate for this beach. Sea surface temperatures are generated using E.U. Copernicus Marine Service Information.

Seven Day Tides

Tide graphs will work better if you rotate your fondleslab into landscape mode.

Sunday

1 November

Sun

High

High

5.02m 

14:48 GMT

Low

Low

1.64m 

21:22 GMT

Monday

2 November

Mon

High

High

4.66m 

03:46 GMT

Low

Low

2.13m 

09:46 GMT

High

High

4.9m 

16:10 GMT

Low

Low

1.68m 

22:45 GMT

Tuesday

3 November

Tue

High

High

4.63m 

05:15 GMT

Low

Low

2.14m 

11:10 GMT

High

High

4.96m 

17:33 GMT

Wednesday

4 November

Wed

Low

Low

1.55m 

00:00 GMT

High

High

4.78m 

06:30 GMT

Low

Low

1.97m 

12:22 GMT

High

High

5.13m 

18:43 GMT

Thursday

5 November

Thu

Low

Low

1.36m 

01:04 GMT

High

High

4.98m 

07:28 GMT

Low

Low

1.72m 

13:21 GMT

High

High

5.31m 

19:38 GMT

Friday

6 November

Fri

Low

Low

1.19m 

01:55 GMT

High

High

5.16m 

08:14 GMT

Low

Low

1.48m 

14:09 GMT

High

High

5.44m 

20:24 GMT

Important! Tide times are for the nearest measurement point (Holyhead) and may not be accurate for this beach. You should not rely on these times for anything other than a broad indication of when the tide will be at its highest or lowest.

In particular, these tide times are not suitable for navigational use.

Accurate tide forecasts require complex calculations and detailed local information. If you intend to engage in any activity for which tidal information is important for safety reasons (including sailing, powerboating, diving, and surfing) then you should obtain professional data.

Tidal predictions are © Crown Copyright and/or database rights. Reproduced by permission of the Controller of Her Majesty's Stationery Office and the UK Hydrographic Office (www.ukho.gov.uk).

Location: Llanfwrog

Location type: Rural

OS Grid: SH287851

Coordinates: 53°20'6"N 4°34'21"W

Mapcode: GBR HM2W.J59

What 3 Words: roadblock.weeks.pins

Coordinates and location codes are for an approximate mid-point of the beach, and may not reflect the best access point or the most popular part of the beach.

Country: Wales

Local Authority: Isle of Anglesey

Parish: Llanfaethlu

Nearest postcode: LL65 4YH

(for sat-nav purposes only, a beach does not have a postal address!)

Traeth Tywyn Mawr Beach weather and tides. Includes 7 day weather forecast, current weather observations, 7 day tide charts, sunrise, sunset, moon phases, air quality forecast and UV index.

British Beaches is a Good Stuff website.

216.73.216.179 Sun, 01 Nov 2026 16:07:13 +0000