"Sittin' on the dock of the bay"

Porth Tywyn Mawr (Sandy Beach) Weather and Tides

This is a long and sandy beach with sand dunes. It is good for most watersports and there is a village and campsite nearby.

Nearest town: Holyhead

Local authority: Isle of Anglesey Council

OS Grid Reference: SH287851

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Weather and Tides

Forecast for the next five days

Friday
20 October


Chance of rain 88%
Max temp. 13°C
(feels like 10°C)
Wind 3mph, gusting to 4mph.
SW
Pressure 1004
Humidity 77%
UV Index
Air Quality

Low Tide 05:18 BST
(04:18 GMT)

High Tide 11:28 BST
(10:28 GMT)

Low Tide 17:29 BST
(16:29 GMT)

High Tide 23:42 BST
(22:42 GMT)

Saturday
21 October


Chance of rain 87%
Max temp. 14°C
(feels like 7°C)
Wind 10mph, gusting to 15mph.
SSW
Pressure 981
Humidity 89%
UV Index
Air Quality

Low Tide 05:51 BST
(04:51 GMT)

High Tide 12:01 BST
(11:01 GMT)

Low Tide 18:03 BST
(17:03 GMT)

Sunday
22 October


Chance of rain 33%
Max temp. 13°C
(feels like 9°C)
Wind 7mph, gusting to 11mph.
W
Pressure 1012
Humidity 72%
UV Index
Air Quality

Low Tide 06:24 BST
(05:24 GMT)

High Tide 12:34 BST
(11:34 GMT)

Low Tide 18:37 BST
(17:37 GMT)

High Tide 23:17 GMT

Monday
23 October


Chance of rain 47%
Max temp. 15°C
(feels like 12°C)
Wind 5mph, gusting to 8mph.
SSW
Pressure 1010
Humidity 87%
UV Index
Air Quality

Low Tide 06:57 BST
(05:57 GMT)

High Tide 13:07 BST
(12:07 GMT)

Low Tide 19:12 BST
(18:12 GMT)

High Tide 23:51 GMT

Tuesday
24 October


Chance of rain 57%
Max temp. 15°C
(feels like 11°C)
Wind 6mph, gusting to 9mph.
SW
Pressure 1010
Humidity 84%
UV Index
Air Quality

High Tide 01:24 BST
(00:24 GMT)

Low Tide 07:31 BST
(06:31 GMT)

High Tide 13:40 BST
(12:40 GMT)

Low Tide 19:49 BST
(18:49 GMT)

Important! Tide times are for the nearest measurement point and may not be accurate for this location. 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.

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