AREA FORECASTS

WASHINGTON: Today, mostly sunny, brisk, cooler. High 56. Wind northwest 12-22 mph. Tonight, mostly clear, chilly. Low 36. Wind northwest 10-18 mph. Tuesday, sunny, cool, wind. High 54. Wind north 10-15 mph.

MARYLAND: Today, mostly sunny, windy. High 51-55. Wind northwest 15-25 mph. Tonight, mostly clear, breezy, turning colder. Low 30-34. Wind northwest 8-15 mph. Tuesday, mostly sunny, brisk, chilly. High 51-55. Wind northwest 10-18 mph.

VIRGINIA: Today, partly sunny, windy, cold. High 52-56. Wind northwest 15-25 mph. Tonight, mostly clear, breezy, cold. Low 30-34. Wind northwest 8-15 mph. Tuesday, mostly sunny, windy, chilly. High 50-54. Wind northwest 10-20 mph.

Recreational Forecasts

MOUNTAINS

Maryland, Virginia and West Virginia: Today, partly sunny, windy, cold. High 47-53. Low 25-31. Wind northwest 15-25 mph. Tuesday, mostly sunny, chilly. High 45-50. Wind becoming northeast 8-15 mph.

BEACHES

Maryland and Delaware: Today, mostly sunny, windy, colder. High 55-59. Low 32-36. Wind northwest 15-25 mph. Tuesday, mostly sunny, windy, chilly. High 53-57. Wind northwest 10-20 mph.

Virginia: Today, sunny, windy, cooler. High 60-65. Low 35-40. Wind northwest 12-25 mph. Tuesday, partly sunny, windy, cooler. High 53-58. Wind northwest 12-20 mph.

BOATING

Upper Potomac River: Today, mostly sunny, windy. Wind northwest 15-30 knots. Tonight, mostly clear. Wind northwest 10-18 knots.

Lower Potomac and Chesapeake Bay: Today, mostly sunny, windy, colder. Wind northwest 15-30 knots. Waves 1-2 feet on the lower Potomac; 2-3 feet on the bay.

River Stages: The National Weather Service estimates the stage at Little Falls to be 3.5 feet this morning and predicts the stage to be nearly stationary at 3.5 feet Tuesday morning. Flood stage at Little Falls is 10 feet.

PLANET WATCH

Sun

Rise: 6:42 a.m.

Set: 5:01 p.m.

Moon

Rise: 6:54 a.m.

Set: 5:43 p.m.

Mercury

Rise: 8:04 a.m.

Set: 5:37 p.m.

Venus

Rise: 2:52 a.m.

Set: 3:05 p.m.

Mars

Rise: 11:32 a.m.

Set: 8:51 p.m.

Jupiter

Rise: 4:13 p.m.

Set: 5:20 a.m.

Saturn

Rise: 5:00 p.m.

Set: 6:34 a.m.

Uranus

Rise: 12:56 p.m.

Set: 11:04 p.m.

ADDITIONAL INFORMATION

Forecasts for Washington area, 202-334-9000 code 9100.

Long range regional forecasts, 703-260-0405.

Chesapeake Bay boating forecast, 703-260-0505.

Recreational and traveler's forecast, 703-260-0706.

Smithsonian Institution star/planet information, 202-357-2000.

Air Quality Index, 202-962-3299.