Some of the best nights I ever had on the Vineyard were associated with passing fronts. Before the front passes, you have a very strong SW flow. As the front moves in, the fishing can explode. I usually retreat to the truck when lightning (often associated with an oncoming cold front in summer and early fall) moves in, then directly after the front passes, while the water is still roiled from the strong SW, the fishing is often right where I left it for an hour or three. However, once high pressure builds and the wind swings around to the N or NW, it just dies. Is it pressure-related, or due to the wind shift flattening the rip and killing the movement of the water--who knows
But that's an observation based on what I've seen happen an awful lot.
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