Tide at Holyhead

Port Dinorwic

Menai Bridge

Bangor

Beaumaris

Trwyn Du

Meeting and separation of streams

5 hrs before HW

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Penmon Point

4 hrs before HW

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Trecastell Point

3 hrs before HW

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Streams meet

←

Beaumaris

2 hrs before HW

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Port Penrhyn

1 hr before HW

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Streams meet

←

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Bangor Pool

High water

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←

←

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Penmon Point

1 hr after HW

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←

←

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Trecastell Point

2 hrs after HW

←

←

←

←

←

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Beaumaris

3 hrs after HW

←

←

←

←

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Gallows Point

4 hrs after HW

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←

←

←

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Port Penrhyn

5 hrs after HW

←

←

←

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Bangor Pool

6 hrs after HW

Slack

Slack

Slack

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