Tidal predictions for South Atlantic, Antarctica, British Overseas Territories and Gibraltar | National Tidal and Sea Level Facility National Tidal and Sea Level Facility Tides Storm surges Products About About tides Tides – questions and answers Sea level – questions and answers The Doodson-Légé Tide Predicting Machine Tide clocks and watches Tidal river bores The River Dee / Afon Dyfrdwy The River Mersey UK National Tide Gauge Network Data availability Tidal predictions – UK and Ireland UK South Atlantic Network Gibraltar sea level station Tidal predictions – South Atlantic Tide gauge instruments Definitions of tidal levels Chart datum and ordnance datum Permanent Service for Mean Sea Level (PSMSL) (external link) Engineers’ page Proudman Building, Liverpool weather station About storm surges Tide-surge model Surge model forecast Surge model archive Surge model archive: 2004–2019 Surge model ensemble forecasting Skew surges Skew surge history: England – south Skew surge history: England – east Skew surge history: England – west Skew surge history: Wales Skew surge history: Scotland Skew surge history: Northern Ireland Skew surge history: Isle of Man Skew surge history: Channel Islands Sea level trends Sea level trend charts Software Tidal predictions for South Atlantic, Antarctica, British Overseas Territories and Gibraltar Predictions spanning one year are available for British overseas and independent territories, the South Atlantic and Gibraltar. Tidal predictions for the next 28 days are also available for UK & Irish ports Download tidal predictions for each year below ( PDF files): South Atlantic and Antarctica Ascension 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 St. Helena 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 Tristan da Cunha 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 Stanley (Falkland Islands) 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 King Edward Point (South Georgia) 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 Rothera (Antarctica) 2020 2021 2022 2023 2024 2025 Vernadsky (Antarctica) 2020 2021 2022 2023 2024 2025 Signy (Antarctica) 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 British Overseas Territories Diego Garcia 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 Gibraltar sea level station Gibraltar 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030