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On average over the last two weeks, high tides arrived at Amlwch around 6 minutes before they arrived at Cemaes Bay, but this difference varied by as much as 7 minutes either way.
Select other locations below to see how their high tide times differ.
First Location: - choose - Aberdaron Aberdeen Aberdovey Aberporth Aberystwyth Albert Bridge Aldeburgh Allington Lock Alloa Amble Amlwch Annan Waterfoot Anstruther Easter Applecross Appledore Arbroath Ardchattan Point Ardglass Ardnave Point Ardrossan Arklow Arnside Arrochar Ayr Badcall Bay Baginbun Head Balbriggan Balivanich Ballinskelligs Bay Castle Ballycastle Bay Ballycotton Ballycrovane Harbour Ballysadare Bay (Culleenamore) Baltasound Pier Baltimore, Ireland Banff Bangor Bantry Barcaldine Pier Bardsey Island Barmouth Barnstaple Barra Head Barra (North Bay) Barrow (Ramsden Dock) Barry Bartlett Creek Battlesbridge Bawdsey Bay Of Laig Bay Of Quendale Bays Loch Beachley (Aust) Beaumaris Bee Ness Belfast Bembridge Approaches Bembridge Harbour Berkeley Berwick Bideford Black Ball Harbour Black Tar Blackpool Blacksod Quay Blacktoft Blakeney Blakeney Bar Cullivoe Blyth Bofin Harbour Bognor Regis Bonawe Boscastle Bosham Boston, England Bouley Bay Bournemouth Bovisand Pier Bowling Bradwell Waterside Bramble Creek Braye Bridgwater Bridlington Bridport (West Bay) Brightlingsea Brighton Marina Broadford Bay Ballyglass (Broadhaven) Broadstairs Brodick Bay Brough Bruichladdich Buckie Bucklers Hard Bude Bulbinbeg Bull Sand Fort Bunessan Bur Wick Burghead Burnham-On-Crouch Burnham-On-Sea Burnham (Overy Staithe) Burntisland Burra Firth Burra Voe (Yell Sound) Burray Ness Burry Port Bursledon Burton Stather Burtonport Caernarfon Caister-On-Sea Calf Sound Calshot Castle Campbeltown Camus Nan Gall Cape Cornwall Cardiff Cardigan (Town) Cargreen Carloway Carmarthen Carnsore Point Carradale Carrickfergus Carrigaholt Carsaig Bay Carsaig Bay (Mull) Castlebay Castletown Bearhaven Castletownshend Cemaes Bay Chatham (Lock Approaches) Cheekpoint Chelsea Bridge Chesil Beach Chesil Cove Chester Chichester Harbour (Entrance) Christchurch (Entrance) Christchurch (Quay) Christchurch (Tuckton) Clacton-On-Sea Clare Island Cleavel Point Clevedon Clifden Bay Clonakilty Bay Clovelly Clydebank (Rothesay Dock) Cobh Cockenzie Colchester Coleraine Colwyn Bay Coney Island Connah's Quay Connel Conwy Coquet Island Cork City Corpach Corran Coryton Cotehele Quay Coulport Courtmacsherry Coverack Cowes Craignure Cranfield Point Cranford Bay Criccieth Cromane Point Cromarty Cromer Crookhaven Culdaff Bay Culmore Point Cumberland Basin Entrance Cushendun Dale Roads Darnett Ness Dartmouth Deal Deer Sound Dell Quay Dingle Harbour Dingwall (Cromarty Firth) Donaghadee Donegal Harbour (Salt Hill Quay) Dornie Bridge Douglas Dover Downies Bay Drummore Dublin Bar Dublin (North Wall) Duddon Bar Dun Laoghaire Dunany Point Dunbar Dunbeacon Harbour Duncansby Head Dundalk Dundee Dungarvan Harbour Dungeness Dunkerron Harbour Dunmanus Harbour Dunmore East Dunstaffnage Bay Dury Voe East Loch Tarbert (Outer Hebrides) East Loch Tarbert (Loch Fyne) Eastbourne Eastham Egilsay English And Welsh Grounds Erith Esha Ness (Hamna Voe) Exmouth Dock Eyemouth Fair Isle Falmouth Fanad Head Fanny's Bay Faslane Felixstowe Pier Fenit Pier Ferryside Fethard-On-Sea Fiddler's Ferry Fidra Filey Bay Fishguard Flannan Isles Flat Holm Fleetwood Flixborough Wharf Folkestone Folly Inn Foreland (Lifeboat Slip) Formby Fort Belan Fortrose Foula Fowey Foynes Island Fraserburgh Fremington Freshwater Bay Gairloch Galmisdale Pier Galway Garelochhead Garlieston Garston Gills Bay Girvan Glasgow Glasson Dock Glenelg Bay Glengarrisdale Bay Golspie Goole Great Yarmouth (Gorleston-On-Sea) Gott Bay Grangemouth Granton Gravesend Great Saltee Great Yarmouth (Britannia Pier) Greenock Greenore Greenway Quay Greystones Grimsby Grovehurst Jetty Gweedore Harbour Hale Head Halfway Shoal Hammersmith Bridge Hartlepool Harwich Hastings Haverfordwest Haws Point Helensburgh Helford River (Entrance) Helmsdale Herne Bay Hestan Island Heysham Hilbre Island Hillswick Hinkley Point Holliwell Point Holy Island Holyhead Howth Hull (Albert Dock) Hull (Alexandra Dock) Hull (King George Dock) Hullbridge Humber Bridge Humber Sea Terminal Hunstanton Hurst Point Iken Cliffs Ilfracombe Immingham Inishbiggle Inishbofin Bay Inishgort Inishtrahull Inner Dowsing Light Inveraray Invergordon Inverie Bay Inverness Inward Rocks Iona Ipswich Irvine Isle Of Whithorn Itchenor Jupiter Point Keadby Kettletoft Pier Kew Bridge Kilbaha Bay Kilkeel Kilkieran Cove Killala Bay (Inishcrone) Killard Point Killary Harbour Inishmore (Killeany Bay) Killough Harbour Killybegs Killyleagh Kilmokea Point Kilrush Kincardine King's Lynn Kinsale Kirkcaldy Kirkcudbright Bay Kirkwall Knights Town Kyle Of Durness Kyle Of Lochalsh Lamlash Lancaster Langstone Harbour Larne Lawyer's Creek Lee-On-The-Solent Leith Lerwick Leverburgh Limerick Dock Liscannor Little Bernera Little Haven Littlehampton (Entrance) Seacombe (Alfred Dock) Liverpool (Gladstone Dock) Lizard Point Llanddwyn Island Llandudno Llanelli Loch A' Bhraige Loch Aline Loch Beag Kinlochbervie Loch Boisdale Loch Carnan Loch Creran Head Loch Dunvegan Loch Eatharna Loch Harport Loch Hourn Loch Inver Loch Laxford Lochmaddy Loch Melfort Loch Moidart Loch Nedd Loch Ranza Loch Scresort Loch Shell Loch Skipport Loch Snizort (Uig Bay) Lochgoilhead London Bridge (Tower Pier) Londonderry Looe Lossiemouth Lostwithiel Loth Loughros More Bay Lowestoft Luce Bay (Offshore Platform) Lulworth Cove Lundy Lyme Regis Lymington Lynmouth Malahide Maldon Mallaig Margate Marino Point Martin's Haven Maryport Maseline Pier Mcdermott Base Meikle Ferry Mellon Charles Mellon Point Menai Bridge Methil Mevagissey Mid Yell Middlesbrough (Dock Entrance) Milford Haven Millport Minehead Minsmere Sluice Mistley Moelfre Montrose Morecambe Mostyn Docks Moville Muckle Skerry Mullaghmore Mulroy Bay Bar Mumbles Mupe Bay Nab Tower Nairn Narlwood Rocks Nato Jetty New Hythe New Quay New Ross Newburgh Newcastle (N.Ireland) Newcastle upon Tyne Newhaven Newport Newquay Newry (Victoria Lock) Neyland North Fambridge North Sunderland (Northumberland) North Woolwich Northney Oban Orford Haven Bar Orford Ness Orford Quay Orsay Osea Island Out Skerries Outer Westmark Knock Owston Ferry Padstow Pagham Par Peel Penzance (Newlyn) Perranporth Perth Peterhead Pierowall Plockton Plymouth (Devonport) Poole (Entrance) Poole Harbour Porlock Bay Port Appin Port Askaig Port Cardigan Port Dinorwic Port Erin Port Glasgow Port Isaac Port of Bristol (Avonmouth) Port St. Mary Port Sutton Bridge Port Talbot Port William Portavogie Porth Dinllaen Porth Trecastell Porth Ysgaden Porthcawl Porthgain Porthleven Porthmadog Portishead Portland Portmahomack Portnancon Portpatrick Portree Portrush Portsmouth Pottery Pier Preston Pwllheli Quigley's Point Quoile Barrier Ramsey Ramsey Sound Ramsgate Rapness Rathmullan Red Bay Redbridge Redkirk Rhu Marina Richborough Richmond Lock Ringaskiddy River Boyne Entrance River Foyle (Lisahally) River Neath Entrance River Tay Bar River Tees Entrance River Tyne (North Shields) River Yealm Entrance Roa Island Roberts Cove Rochester (Strood Pier) Rochford Rockall Rona Roonah Quay Rosneath Rosslare Europort Rosyth Rothesay Bay Roundstone Bay Rubh' A' Mhail Rubha A' Bhodaich Rubha Na Creige Ryde Rye (Approaches) Rye (Harbour) S.E. Long Sand Salcombe Salen Salen (Sound Of Mull) Saltash Sandown Scalasaig Scalloway Scarborough Schull Scolpaig Scrabster Sea Mills Seafield Point Seaham Seamount Bay Seil Sound Selsey Bill Sennen Cove Sharpness Dock Sheerness Shieldaig Shillay Shirehampton Shivering Sand Shoreham Silloth Skegness Skomer Island Slaughden Quay Sligo Harbour (Oyster Island) Slyne Head Smerwick Harbour Soldiers Point Solva Sound Of Gigha South Rock Southampton Southend (Kintyre) Southend-On-Sea Southerness Point Southport Southwold Spurn Head St. Catherine Bay St. Germans St. Helier St. Ives Hirta (Bagh A' Bhaile) St. Mary's St. Mary's (Scapa Flow) St. Peter Port St. Thomas's Head St. Tudwal's Roads Stackpole Quay Stansore Point Starcross Start Point Steep Holm Stirling Stoke Gabriel (Duncannon) Stonehaven Stornoway Strangford Stranraer Stroma Stromness Sudbrook Sule Skerry Sullom Voe Sumburgh (Grutness Voe) Sunderland Sunk Dredged Channel Sunk Head Swanage Swansea Tabs Head Tanera Mor Tarbert Island Tarn Point Tees (Newport) Bridge Teignmouth (Approaches) Teignmouth (New Quay) Tenby Tighnabruaich Tilbury Tingwall Tobermory Toft Pier Topsham Torduff Point Torquay Totland Bay Totnes Trawbreaga Bay Trearddur Bay Trefor Troon Truro Trwyn Dinmor Turf Lock Turnchapel Ullapool Ulva Sound Ulverston Upnor Ventnor Wadebridge Walton-on-the-Naze Wareham (River Frome) Warren Lighthouse Warrenpoint Warsash Watchet Waterford Wellhouse Rock Wells Wells Bar Wemyss Bay West Burra Firth West Cove West Loch Tarbert (Outer Hebrides) West Mersea West Stones Weston-super-Mare Wexford Harbour Whitaker Beacon Whitby White House Whitehall Whitehaven Whitehills Whitsand Bay Whitstable Approaches Wick Wicklow Widewall Bay Widnes Winterton-On-Sea Wisbech Wisbech Cut Woodbridge Woodbridge Haven Workington Worthing Wouldham Wyre Lighthouse Yarmouth Yelland Marsh Youghal
Second Location: ... Cemaes Bay Moelfre Menai Bridge Port Dinorwic Porth Trecastell Caernarfon
Try a few of these examples to see how high tides can differ between locations:
