National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Hazardous Weather Conditions

Last Update: 434 AM EDT MON APR 21 2014

View Nearby Observations

Coastal waters from Fenwick Island DE to Chincoteague VA out 20 nm

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



  • SynopsisLOW PRESSURE WILL CONTINUE TO SLOWLY PUSH FARTHER OFFSHORE TODAY AND TONIGHT AS A COLD FRONT APPROACHES FROM THE WEST. THE FRONT WILL CROSS THE WATERS TUESDAY AFTERNOON INTO TUESDAY EVENING. HIGH PRESSURE RETURNS WEDNESDAY AND THURSDAY BEFORE ANOTHER COLD FRONT THE END OF THE WORK WEEK.
  • Through 7 Am NE winds 20 kt. Seas 7 to 9 ft with a dominant period of 10 seconds.
  • Today NE winds 15 to 20 kt. Seas 5 to 8 ft with a dominant period of 10 seconds.
  • Tonight NE winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Seas 5 to 7 ft with a dominant period of 9 seconds...subsiding to 4 to 5 ft with a dominant period of 8 seconds after midnight.
  • Tue SW winds 5 to 10 kt...becoming S 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of showers in the afternoon.
  • Tue Night SW winds 10 to 15 kt...becoming NW 15 to 20 kt after midnight. Seas 4 to 5 ft. A chance of showers and tstms in the evening.
  • Wed NW winds 15 to 20 kt. Seas 4 to 5 ft.
  • Wed Night NW winds 15 to 20 kt. Seas 4 to 5 ft.
  • Thu NW winds 15 to 20 kt...becoming W 10 to 15 kt in the afternoon. Seas 3 to 4 ft.
  • Thu Night W winds 5 to 10 kt. Seas 2 to 3 ft.
  • Fri S winds 5 to 10 kt...increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft.

    winds and seas higher and visibilities lower in and near tstms.




WINDS AND SEAS HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.

Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Fenwick Island DE to Chincoteague VA out 20 nm