Upwelling – The movement of nutrient rich waters from the bottom of the ocean to the surface.
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Uptiding – A type of boat fishing where the bait is cast uptide and away from the area around the anchor rope and boat. Grip leads are used and a …
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Uptider – a rod designed for uptide boat fishing with an extended handle below the reel seat to facilitate casting.
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Uni-tech cast – A variation of the off the ground cast where the lead is laid out back towards the angler and inside the tip of the rod.
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Uni-knot – A popular basic knot or attaching line to hooks, swivels etc and can be used to join two lines together.
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Undertow – A current below water surface flowing seaward; the receding water below the surface from waves breaking on a shelving beach.