NY NJ PA Weather Forecasts

Boat and beach report for Friday, July 17 2009

7:50 AM

Partly cloudy skies can be expected through the morning.  Scattered showers and strong to severe thunderstorms will develop this afternoon with the strongest thunderstorms capable of wind gusts over 55 mph, large hail, frequent lightning, heavy downpours, and an isolated tornado or water spout.  The thunderstorms will rapidly reduce visibility and will have the potential to produce wind damage.  An area of low pressure will move over the coastal waters tonight with light to moderate rainfall through the early morning hours of Saturday.  Showers will continue to linger in the mid morning hours of Saturday morning followed by clearing conditions for the rest of the day on Saturday.  High pressure will build into the forecast area on Saturday night and Sunday with clear skies and dry conditions.

Winds will be from the southwest around 10 to 20 mph through this evening.  Tonight, winds will back to the southeast around 10 to 20 mph as the low pressure system approaches and continue to back to the northeast and finally northwest by early Saturday morning around 5 to 15 mph.  On Saturday, winds will be from the west around 5 to 15 mph and remain from the west around 5 to 15 mph through Sunday.

Temperatures will rise into the mid to upper 80’s for highs this afternoon.  On Saturday, temperatures will fall into the upper 60’s for morning lows and rebound into the upper 70’s to lower 80’s for afternoon highs.  On Sunday, temperatures will fall into the mid 60’s for morning lows and rebound into the lower 80’s for afternoon highs.

Water temperatures will range from the upper 60’s to lower 70’s over the Long Island Sound, northern New Jersey coastal waters, and east of Long Island; lower to mid 70’s over the central and southern New Jersey coastal waters; and upper 70’s to lower 80’s in the Delaware Bay and Delaware River.

Wave heights will range from 2 to 4 feet through the forecast period.  However, larger swells can be expected in and around strong to severe thunderstorms.

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