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Overview
Inland UK
Offshore waters
- Overview
- Bailey
- Cromarty
- Dogger
- Fair Isle
- Faroer Islands
- Fastnet
- Fisher
- FitzRoy
- Forth
- Forties
- German Bight
- Hebrides
- Humber
- Irish Sea
  - Aberdaron
  - Aberporth
  - Abersoch
  - Aberystwyth
  - Ainsdale Beach
  - Amlwch
  - Ardglass
  - Arklow
  - Bangor
  - Barmouth
  - Barmouth
  - Barrow
  - Beaumaris
  - Bebington
  - Bebington/Birkenhead
  - Belfast
  - Blackpool
  - Brittas Bay
  - Bull Island / Dollymount
  - Bull Island / North Beach
  - Caernarfon
  - Caernarfon
  - Cardigan
  - Carlisle
  - Colwyn Bay
  - Coniston
  - Constitution Hill
  - Conwy
  - Crawfordsburn
  - Crosby
  - Deganwy
  - Donaghadee
  - Douglas (IoM)
  - Dublin
  - Dundrennan
  - Ellerside
  - Fleetwood
  - Glasson
  - Glyderau
  - Gormanstown Beach
  - Harrison Drive
  - Hawarden
  - Heysham
  - Holyhead
  - Humphrey Head
  - Isle of Man
  - Keswick/Derwent Water
  - Killiney Hill
  - Kirkcudbright
  - Laytown Beach
  - Liverpool
  - Llanbedr
  - Lleyn
  - Lough Bray
  - Maryport
  - Mayobridge
  - Meol Elio
  - Moel Berfedd
  - Moel Famau
  - Mold
  - Morecambe
  - Mull of Galloway
  - Pen Dinas
  - Penycloddiau East
  - Poolbeg
  - Portaferry
  - Portavogie
  - Porthmadog
  - Portpatrick
  - Portpatrick/Stranraer
  - Prestatyn
  - Preston
  - Pt of Ayr
  - Pwllheli
  - Rhosneigr/Valley
  - Rhyl
  - Sandymount Beach
  - Shell Island
  - Southport
  - South Shore
  - St. Annes
  - Starrgate
  - St. Bees Head
  - St. Georges Channel
  - Stranraer
  - Trawsgoed/Aberystwyth
  - Walney Island
  - West Freugh
  - West Kirby
  - Wexford
  - Whitbarrow Scar
  - Whitehaven
  - Workington
  - Y Felinheli
- Lundy
- Malin
- Plymouth
- Portland
- Rockall
- Shannon
- Sole
- Strait of Dover
- Thames
- Tyne
- Utsire
- Viking
- Wight

Porthmadog (52° 55' N/4° 07' W)

Local Time	Mo Sep 23	Tu Sep 24	We Sep 25	Th Sep 26
a.m.	NE 2 m/s	W 2 m/s	calm	N 1 m/s
p.m.	N 3 m/s	SW 4 m/s	NE 2 m/s	N 2 m/s
evening	N 2 m/s	SW 2 m/s	E 1 m/s	NE 4 m/s
Min temperature	13°C	9°C	7°C	9°C
Max temperature	16°C	14°C	15°C	14°C
a.m.
p.m.
evening