Go or No Go – The Sea Oracle
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⚓ Tide and Go-or-No-Go forecast for Mariehamn, Åland

Live marine weather: wind, swell and tides

EXPERT ANALYSIS
Next tides (coeff. --)
BM06h00
-0.16m
PM11h00
-0.14m
WindWNW 🧭 5kts
Swell0.34m
Period3s
Temp.5°C
Sky
🌤️
Gusts14kts
✅ GOOD TO GO! Smooth sailing a Cruiser at Mariehamn, åland.
Tides & weather for the next 7 days
3 TueCoeff. --
PM02h00 -0.13m
BM03h00 -0.14m
BM06h00 -0.16m
PM11h00 -0.14m
BM15h00 -0.15m
BM19h00 -0.19m
PM21h00 -0.18m
4 WedCoeff. --
PM00h00 -0.17m
PM03h00 -0.14m
BM10h00 -0.17m
PM11h00 -0.16m
PM13h00 -0.15m
PM15h00 -0.14m
BM21h00 -0.16m
5 ThuCoeff. --
PM05h00 -0.08m
BM08h00 -0.10m
BM13h00 -0.14m
BM20h00 -0.17m
BM22h00 -0.18m
6 FriCoeff. --
PM04h00 -0.12m
PM06h00 -0.11m
BM10h00 -0.13m
BM12h00 -0.14m
PM13h00 -0.13m
PM16h00 -0.12m
BM22h00 -0.13m
7 SatCoeff. --
PM05h00 -0.07m
PM07h00 -0.06m
BM10h00 -0.07m
PM16h00 -0.06m
BM20h00 -0.08m
BM23h00 -0.09m
8 SunCoeff. --
PM01h00 -0.08m
PM03h00 -0.07m
PM05h00 -0.06m
BM11h00 -0.08m
BM13h00 -0.09m
PM18h00 -0.08m
BM20h00 -0.09m
BM22h00 -0.10m
9 MonCoeff. --
PM02h00 -0.09m
PM07h00 -0.05m
BM11h00 -0.06m
BM13h00 -0.07m
BM20h00 -0.08m
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WARNING: The Sea Oracle is a decision-support tool based on automated forecasts (international marine and tide models via Open-Meteo). This data does not replace official documents (UK Hydrographic Office, Met Office) or the skipper's own judgement, who remains solely responsible for safety on board.

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