selene.blue
@selene.blue
Tide times, water temperature, swell, wind, and moon phase for over half a million beaches, bays, harbours, and coastal towns worldwide.
selene.blue's Company Logos
selene.blue's Brand Colors
Hex Code
Color name
RGB
HSL
CMYK
#4FB8A6
Fountain Blue
79, 184, 166
170, 43, 52
57, 0, 10, 28
#1A635B
Green Pea
26, 99, 91
173, 58, 25
74, 0, 8, 61
#F1E9D8
Parchment
241, 233, 216
41, 47, 90
0, 3, 10, 5
About selene.blue
Selene. blue is a global coastal information website that brings tide predictions, astronomy data, and sea conditions together for more than half a million beaches, bays, harbours, and coastal towns worldwide. Users can search by city, beach, island, harbour, or coastal town, or explore featured destinations and country-by-country listings.
The site provides tide predictions based on local harmonic constants, with more than 65,000 locations linked to real tide gauges. It also presents moon and sun times, solunar and tidal timing in local timezones, and live swell, wind, UV, and water temperature where available. Source and confidence notes accompany data sections to help users understand the information.
Designed for swimmers, beachgoers, divers, surfers, anglers, sailors, and coastal walkers, Selene. blue offers practical context for planning time by the water. Its data draws on open contributions from researchers, agencies, and volunteer communities.
Tide figures are estimates and conditions can differ due to weather; the service is advisory and not intended for navigation or safety-critical decisions
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