Buoywatch
We're a designer & iOS developer duo crafting simple, fun, and useful apps. Buoywatch brings real-time buoy data and tide predictions together so you can plan your next session.
🎨 Designed by: @rafs84
💻 Coded by: @ppacie
Data providers
🌊 Buoy data comes from NOAA's National Data Buoy Center, Candhis (Cerema), Météo-France, Puertos del Estado, Manly Hydraulics Laboratory (MHL), the Queensland Government, SMHI, Kystdirektoratet / Miljøstyrelsen, Rijkswaterstaat, MET Norway, Landsverk, FMI, PEGELONLINE (WSV), IMGW-PIB, SiMCosta (FURG/UFRJ), SHOA, Puerto Quequén (Metocean), IADO (CONICET/UNS), DHN / NAYLAMP, CSIR WaveNet (Transnet), Greater Wellington, Aqualink.org (Sofar Ocean Spotter), AODN, the University of Western Australia and DTMI (Western Australia).
🌙 Tide predictions are calculated from NOAA, Puertos del Estado, Instituto Hidrográfico, the Marine Institute (Ireland), Rijkswaterstaat, DMI, Kartverket, CHM/REMO, SHN (Servicio de Hidrografía Naval), LINZ (Toitū Te Whenua Land Information New Zealand) and harmonic data.
🗺️ Map outlines come from Natural Earth (public domain). The maps are drawn with D3 and markers are grouped with Supercluster.
Adapted data under Open Government Licence v3.0 (Cefas)
Harmonic constants: TICON-4 · Hart-Davis, Dettmering & Seitz (2025)
Tide station database: Slackwater
Adapted data under MIT (SlackwaterKit)
Adapted data under CC BY 4.0 (TICON-4, Slackwater, SMHI, DMI, Kartverket, FMI, AODN, MHL, IMOS, UWA, DTMI, LINZ, Irish Lights)
Adapted data under CC BY 3.0 NO (MET Norway)
Data were sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure Strategy (NCRIS).
Tide predictions are for information only and must not be used for navigation.