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Chesapeake Bay weather for March 7: evening update

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Brian's exclusive forecast for Baltimore, Annapolis, and northern Delmarva:

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Tonight: Mostly cloudy with occasional rain showers, mainly south & east. The low will be in the mid 30s.

Saturday: Cloudy early, then more sunshine during the afternoon. The high will be in the lower 50s.

Saturday Night: Mostly clear with a low in the mid 30s.

Sunday: Mostly sunny with a high in the lower 50s.

The extended forecast calls for a sunny sky on Monday with a low in the upper 30s and a high in the upper 50s. Mostly sunny on Tuesday with a low around 40 and a high in the upper 50s. Mostly cloudy with rain showers on Wednesday, possibly ending as snow showers during the evening. The low will be in the lower 40s and the high will be in the upper 40s. Clouds and sun on Thursday with a low in the mid 30s and a high in the mid 40s.

This evening's weather features mild temperatures with readings in the upper 30s to lower 40s. An area of low pressure to our south and east continues to produce rain showers over southern Maryland and the lower Eastern Shore of Maryland, but this system will be moving away from the coast on Saturday. As we move into the weekend, a milder weather pattern will become established in the Middle Atlantic region. The period from Saturday afternoon through Tuesday will feature increasing sunshine and moderating temperatures. Highs will rise from the lower 50s on Saturday and Sunday to the lower 60s on Monday and Tuesday. Areas near and along the bay shore may be cooler due to the still-cold Chesapeake Bay waters. Overnight thermometer readings may stay above freezing for several days. In the long-range, computer forecast models continue to indicate the potential for colder and stormier weather later next week. At the moment, the models are not in consistent agreement, but they do indicate that whatever system develops will move close enough to central Maryland to produce mostly rain. The rain may change back to snow by late Wednesday evening. Should the storm take a more southerly track, then more snow may fall across the area.

On the Maryland portion of Chesapeake Bay, a Small Craft Advisory is in effect through late tonight. Winds tonight will come out of the north at 10 to 20 knots with gusts over 25 knots and waves from 1 to 3 feet. Visibility may be reduced in rain and fog. Winds on Saturday will come out of the west at 10 knots with waves around one foot. Winds on Saturday night will come out of the northwest at 10 knots or less and waves less than one foot. Winds on Sunday will come out of the north at 10 knots with waves around one foot. Marine information is provided as general guidance. Boaters should always stay tuned to the latest forecasts and advisories from the National Weather Service.

The average high temperature for March 7 is 51 degrees and the average low is 31 degrees. The records at Baltimore on this date are 76 degrees in 1974, and 26 degrees in 1989. Today's sunrise will occur at 6:30 and the sunset will occur at 6:05. Weather data courtesy of the National Weather Service. For more weather updates, please visit my web site www.chesapeakebayweather.com, my Chesapeake Bay Weather page on Facebook, and if you're heading to Ocean City feel free to check out my Ocean City MD Weather page on Facebook. You can also follow me on Twitter @chesbayweather.

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