Go or No Go – The Sea Oracle
Home › Nynäshamn

⚓ Tide and Go-or-No-Go forecast for Nynäshamn

Live marine weather: wind, swell and tides

EXPERT ANALYSIS
Next tides (coeff. --)
BM07h00
-0.17m
PM14h00
-0.11m
WindNorthwest 🧭 6kts
Swell0.28m
Period3s
Temp.3°C
Sky
🌤️
Gusts20kts
✅ CAST OFF! Ideal sea conditions for a Cruiser at Nynäshamn.
Tides & weather for the next 7 days
3 TueCoeff. --
BM02h00 -0.14m
BM07h00 -0.17m
PM14h00 -0.11m
BM19h00 -0.14m
4 WedCoeff. --
BM04h00 -0.17m
BM06h00 -0.18m
PM12h00 -0.16m
PM14h00 -0.15m
BM16h00 -0.16m
BM18h00 -0.17m
PM21h00 -0.16m
5 ThuCoeff. --
PM03h00 -0.10m
BM08h00 -0.12m
PM12h00 -0.11m
BM16h00 -0.12m
BM18h00 -0.13m
BM20h00 -0.14m
PM23h00 -0.13m
6 FriCoeff. --
PM03h00 -0.12m
BM04h00 -0.13m
BM06h00 -0.14m
BM09h00 -0.16m
PM13h00 -0.15m
PM16h00 -0.14m
BM17h00 -0.15m
BM19h00 -0.16m
BM21h00 -0.17m
7 SatCoeff. --
PM04h00 -0.10m
BM07h00 -0.11m
PM13h00 -0.07m
BM20h00 -0.10m
8 SunCoeff. --
PM00h00 -0.09m
PM02h00 -0.08m
BM09h00 -0.10m
BM11h00 -0.11m
BM15h00 -0.12m
BM19h00 -0.13m
PM21h00 -0.12m
9 MonCoeff. --
PM00h00 -0.11m
PM03h00 -0.09m
PM05h00 -0.08m
BM08h00 -0.09m
BM11h00 -0.10m
BM18h00 -0.11m
BM20h00 -0.12m
Open in the full Oracle ⚓ Customise for my boat

(the full app is available in French)

Marine weather at other ports
Haapsalu Margate Scarborough Dundee Quebec City Kotka New Orleans Half Moon Bay
→ See all ports (159)
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.

© 2026 MALO MEDIA LAB — Contact