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

Live marine weather: wind, swell and tides

EXPERT ANALYSIS
Next tides (coeff. --)
BM11h00
-1.75m
PM18h00
0.80m
WindNorth 🧭 9kts
Swell1.04m
Period5s
Temp.9°C
Sky
🌤️
Gusts28kts
⚠️ WATCH OUT. Keep an eye on the Breeze, Gusts, Rough sea, Breaking sea at Harwich.
Tides & weather for the next 7 days
3 TueCoeff. --
PM05h00 0.89m
BM11h00 -1.75m
PM18h00 0.80m
4 WedCoeff. --
BM00h00 -1.27m
PM06h00 0.89m
BM13h00 -1.87m
PM19h00 1.00m
5 ThuCoeff. --
BM01h00 -1.37m
PM07h00 0.91m
BM13h00 -2.02m
PM20h00 1.01m
6 FriCoeff. --
BM02h00 -1.55m
PM08h00 1.10m
BM14h00 -2.04m
PM21h00 1.22m
7 SatCoeff. --
BM03h00 -1.54m
PM09h00 1.29m
BM15h00 -2.02m
PM22h00 1.34m
8 SunCoeff. --
BM03h00 -1.57m
PM10h00 1.43m
BM16h00 -1.89m
PM22h00 1.39m
9 MonCoeff. --
BM04h00 -1.64m
PM11h00 1.49m
BM16h00 -1.71m
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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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