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by bennyelv 2134 days ago
If you encounter force 8-9 while out on a speedboat day trip you've seriously messed up with your preparation and planning! it doesn't just come out of nowhere.

The reality is that it's the sea state that matters. A sheltered lake or estuary could only have 30cm waves with 40 knots of wind, whereas the open sea would have a 1.5m+ swell with 1m waves on top.