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. --)
PM04h00
0.36m
BM10h00
-1.23m
WindWSW 🧭 13kts
Swell0.90m
Period4s
Temp.18°C
Sky
🌤️
Gusts46kts
⚠️ CAUTION. Technical navigation a Cruiser at Portsmouth.
Tides & weather for the next 7 days
19 SatCoeff. --
PM04h00 0.36m
BM10h00 -1.23m
PM17h00 0.39m
BM23h00 -1.04m
20 SunCoeff. --
PM05h00 0.21m
BM12h00 -1.00m
PM19h00 0.33m
21 MonCoeff. --
BM01h00 -1.12m
PM08h00 0.23m
BM14h00 -1.13m
PM21h00 0.23m
22 TueCoeff. --
BM02h00 -1.46m
PM09h00 0.54m
BM15h00 -1.15m
PM21h00 0.50m
23 WedCoeff. --
BM03h00 -1.52m
PM10h00 0.84m
BM16h00 -1.34m
PM22h00 0.78m
24 ThuCoeff. --
BM04h00 -1.79m
PM11h00 1.00m
BM16h00 -1.48m
PM23h00 1.20m
25 FriCoeff. --
BM04h00 -1.74m
PM11h00 1.28m
BM17h00 -1.84m
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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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