Someone coming into the lake today.
Apparently a gust of wind hit him as he was coming through at 3pm.

Ouch ! Must of been a freak gust.

I reckon something else must have happened too - In have a lightweight catamaran that goes in and out of the bridge and she doesn't move much in gusts when moving fast. I am not saying there is not a problem with wind but you do have to run it properly - go in with 3/4 throttle - 6 knots minimum, aim for the middle, get straight way out and pay 100% attention to the surge and potboils as you close the bridge and steer quickly to get back on track - it is not fun for about 15 seconds as you get through the start - then it calms down when in the gap. Bummer for the owner and it would have been awful

I've only transited twice in/out, in a fat old slow boat, stay in the middle of the span... no time to stop for photos, like I've seen some doing passing under the Harwood bridge !

On the top of incoming tide - But N crossbreeze gusting 20knots = marginal ?

Yep, seen this before, you have to go through at speed and with steerage. Tide'll get you otherwise.

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woko said..
I've only transited twice in/out, in a fat old slow boat, stay in the middle of the span... no time to stop for photos, like I've seen some doing passing under the Harwood bridge !

Harwood is very easy though. Swansea with water flowing up the bum plenty of people get a bit timid on the throttle and this can happen. We used to go under Harwood under sail only but it'd be perfect conditions to try that at Swansea.