Go or No Go – The Sea Oracle
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⚓ Tide and Go-or-No-Go forecast for Portsmouth

Live marine weather: wind, swell and tides

EXPERT ANALYSIS
Next tides (coeff. --)
BM12h00
-1.50m
PM18h00
0.61m
WindNNE 🧭 7kts
Swell0.54m
Period3s
Temp.8°C
Sky
🌤️
Gusts28kts
⚠️ LIMITS. It's doable a Cruiser, but be careful at Portsmouth.
Tides & weather for the next 7 days
3 TueCoeff. --
PM06h00 0.75m
BM12h00 -1.50m
PM18h00 0.61m
4 WedCoeff. --
BM00h00 -1.79m
PM07h00 0.99m
BM13h00 -1.56m
PM20h00 0.90m
5 ThuCoeff. --
BM01h00 -1.78m
PM08h00 1.31m
BM14h00 -1.71m
PM20h00 1.08m
6 FriCoeff. --
BM02h00 -1.85m
PM09h00 1.43m
BM15h00 -1.80m
PM21h00 1.29m
7 SatCoeff. --
BM03h00 -1.92m
PM10h00 1.56m
BM15h00 -1.86m
PM22h00 1.42m
8 SunCoeff. --
BM03h00 -1.89m
PM10h00 1.56m
BM16h00 -1.93m
PM23h00 1.47m
9 MonCoeff. --
BM04h00 -1.85m
PM11h00 1.66m
BM16h00 -1.78m
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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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