Sumber rasmi untuk ramalan cuaca, laut & pasang surut

Sentiasa semak sumber ini untuk data yang lebih boleh dipercayai dan terkini. (senarai tidak lengkap)

Afrika

Algeria : Office National de la Météorologie (ONM) - https://www.meteo.dz (cuaca laut)
Angola : Instituto Nacional de Meteorologia e Geofísica (INAMET) - https://www.inamet.gov.ao (cuaca & hidro)
Mesir : Egyptian Meteorological Authority (EMA) - https://www.egmet.gov.eg (cuaca laut)
Afrika Selatan : South African Weather Service (SAWS) - https://www.weathersa.co.za (cuaca & pasang surut)
Maghribi : Direction de la Météorologie Nationale (DMN) - https://www.marocmeteo.ma (cuaca laut)
Nigeria : Nigerian Meteorological Agency (NiMet) - https://nimet.gov.ng (cuaca pesisir)
Senegal : Agence Nationale de l’Aviation Civile et de la Météorologie (ANACIM) - https://www.anacim.sn (cuaca & hidro)

Kanada : Environment and Climate Change Canada (ECCC) - https://www.weather.gc.ca/marine/index_e.html (cuaca laut) ; Canadian Hydrographic Service (CHS) - https://charts.gc.ca (pasang surut)
Mexico : Servicio Meteorológico Nacional (SMN) - https://www.gob.mx/conagua/acciones-y-programas/servicio-meteorologico-nacional (cuaca) ; SEMAR-OCEANO - https://www.gob.mx/semar/acciones-y-programas/oceano (hidro)
Amerika Syarikat : NOAA Tides & Currents - https://tidesandcurrents.noaa.gov (pasang surut) ; National Weather Service (NWS) - https://www.weather.gov/marine (cuaca laut)

Argentina : Servicio Meteorológico Nacional (SMN) - https://www.smn.gob.ar (cuaca) ; Servicio de Hidrografía Naval (SHN) - https://www.hidro.gov.ar (hidro)
Brazil : Instituto Nacional de Meteorologia (INMET) - https://www.inmet.gov.br (cuaca) ; Marinha do Brasil - DHN - https://www.marinha.mil.br/dhn (hidro)
Chile : Dirección Meteorológica de Chile (DMC) - https://www.meteochile.cl (cuaca) ; SHOA - https://www.shoa.cl (hidro)
Colombia : Instituto de Hidrología, Meteorología y Estudios Ambientales (IDEAM) - https://www.ideam.gov.co (cuaca & hidro)
Peru : Servicio Nacional de Meteorología e Hidrología del Perú (SENAMHI) - https://www.senamhi.gob.pe (cuaca & hidro)

China : China Meteorological Administration (CMA) - https://www.cma.gov.cn (cuaca) ; National Marine Environmental Forecasting Center - http://www.nmefc.cn (hidro)
India : India Meteorological Department (IMD) - https://mausam.imd.gov.in (cuaca) ; National Hydrographic Office (NHO) - https://www.hydrobharat.gov.in (hidro)
Indonesia : Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) - https://www.bmkg.go.id (cuaca) ; Pushidrosal - https://www.pushidrosal.mil.id (hidro)
Jepun : Japan Meteorological Agency (JMA) - https://www.jma.go.jp (cuaca) ; Japan Coast Guard Hydrographic Department - https://www1.kaiho.mlit.go.jp (hidro)
Malaysia : Malaysian Meteorological Department (MetMalaysia) - https://www.met.gov.my (cuaca) ; National Hydrographic Centre (NHC) - https://www.navy.mil.my (hidro)
Filipina : PAGASA - https://www.pagasa.dost.gov.ph (cuaca & hidro)
Korea Selatan : Korea Meteorological Administration (KMA) - https://www.kma.go.kr (cuaca) ; KHOA - https://www.khoa.go.kr (hidro)
Vietnam : VNMHA - https://www.imh.ac.vn (cuaca & hidro)

Jerman : Deutscher Wetterdienst (DWD) - https://www.dwd.de (cuaca) ; Bundesamt für Seeschifffahrt und Hydrographie (BSH) - https://www.bsh.de (hidro)
Belgium : Royal Meteorological Institute (RMI) - https://www.meteo.be (cuaca) ; Hydrographic Service - https://www.defensie.be (hidro)
Denmark : Danish Meteorological Institute (DMI) - https://www.dmi.dk (cuaca) ; Danish Maritime Authority - https://dma.dk (hidro)
Sepanyol : AEMET - https://www.aemet.es (cuaca) ; Puertos del Estado - https://www.puertos.es (hidro)
Perancis : Météo-France - https://meteofrance.com (cuaca) ; SHOM - https://www.shom.fr (hidro)
Greece : HNMS - https://www.hnms.gr (cuaca) ; Hellenic Hydrographic Service - https://www.hnhs.gr (hidro)
Ireland : Met Éireann - https://www.met.ie (cuaca) ; Marine Institute - https://www.marine.ie (hidro)
Itali : IIM - https://www.marina.difesa.it (hidro) ; Aeronautica Militare - https://www.meteoam.it (cuaca)
Belanda : KNMI - https://www.knmi.nl (cuaca) ; Rijkswaterstaat - https://www.rijkswaterstaat.nl (hidro)
Portugal : IPMA - https://www.ipma.pt (cuaca) ; Instituto Hidrográfico - https://www.hidrografico.pt (hidro)
United Kingdom : Met Office - https://www.metoffice.gov.uk (cuaca) ; UKHO - https://www.gov.uk/government/organisations/uk-hydrographic-office (hidro)
Sweden : SMHI - https://www.smhi.se (cuaca & hidro)

Australia : BOM - https://www.bom.gov.au (cuaca) ; AHO - https://www.hydro.gov.au (hidro)
New Zealand : MetService - https://www.metservice.com (cuaca) ; LINZ Hydrographic Survey - https://www.linz.govt.nz (hidro)