AN 535
Active Advisory: (US Severe Weather)
Forecast as of 4:30 am EDT on May 16, 2012
Synopsis For The Tidal Potomac And Md Portion Of The Chesapeake Bay
A cold front over Michigan will move into the region this evening. High pressure will build into the area Thursday and remain in place through the weekend.
Forecast as of 4:30 am EDT on May 16, 2012
Small Craft Advisory in effect from late tonight through Thursday morning
Tidal Potomac From Key Bridge To Indian Head-
Rest Of The Overnight
Se winds 5 kt. Waves less than 1 ft.
Today
SW winds 5 to 10 kt. Waves 1 ft.
Tonight
SW winds 5 to 10 kt...becoming N 10 to 15 kt with gusts to 20 kt after midnight. Waves 1 ft.
Thu
N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Thu Night
N winds around 5 kt. Waves 1 ft.
Fri
NE winds 5 kt. Waves less than 1 ft.
Fri Night
Se winds around 5 kt. Waves 1 ft.
Sat
Se winds around 5 kt. Waves 1 ft.
Sun
Se winds around 5 kt. Waves 1 ft.
Small Craft Advisory
Statement as of 4:29 AM EDT on May 16, 2012

... Small Craft Advisory in effect from midnight tonight to noon
EDT Thursday...

The National Weather Service in Sterling Virginia has issued a
Small Craft Advisory... which is in effect from midnight tonight
to noon EDT Thursday.

* Winds... 18 to 33 knots within the Small Craft Advisory.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds of 18 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners... especially those operating smaller
vessels should avoid navigating in these conditions.






Marine Map
Click any area for a Zone forecast. Click the Station ID for station data.
Buoys / Water Temps Wave Heights
Marine Weather Map
Global Marine Zone Map
Marine Links
Tidal Potomac River and Maryland portion of Chesapeake Bay.
Sandy Hook NJ to Fenwick Island de to 20 nm offshore and Delaware Bay
Virginia portion of the Chesapeake Bay...Currituck Sound and Atlantic coastal waters from Fenwick Island de to Currituck Beach Light NC out 20 nautical miles
From S of Currituck Beach Light to N of Surf City NC out 20 nm... including the Albemarle and Pamlico sounds and The Monitor National marine Sanctuary
Surf City NC to South Santee River SC out 20 nm
South Santee River SC to Savannah GA out 20 nm and Savannah GA to Altamaha Sound GA out 60 nm...including Charleston Harbor and Grays Reef National marine Sanctuary
Atlantic coastal waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm
Inland waters of western Washington and the northern and central Washington coastal waters
W central N Atlc Continental shelf and slope waters beyond 20 nm...to 250 nm offshore...including S of Georges Bank from 1000 FM to...250 nm offshore.
New England Continental shelf and slope waters from 25 nm offshore to the Hague line...except to 1000 FM S of New England.
Marine & Boating
Enter a coastal zip code for marine weather.
Visit Marine & Boating
Coastal Water Temperatures
Place Temperature
Washington, DC 71.1 °F
Baltimore, MD 68.0 °F
Solomons Island, MD 66.0 °F
Open Sea Buoy Information
Place ID Sea Temp Wave Height
Upper Potomac, MD 44061
-
-
Patuxent River Buoy 44044 48 °F
-
Gooses Reef, MD 44062
-
-
Annapolis 44063
-
-
Potomac, MD 44042
-
-
Click the Station ID for daily observations and history.
C-MAN Station Information
Place ID Water Temp Wave Height
Thomas Point, MD TPLM2 65 °F
-
Tide Heights
2012-05-15 2012-05-16
3 AM 9 AM 3 PM 9 PM 3 AM 9 AM 3 PM 9 PM
Alexandria, Potomac River, Virginia:
Bellevue, Potomac River, Washington, D.C.:
Bladensburg, Anacostia River, Maryland:
Indian Head, Potomac River, Maryland:
Kenilworth Aquatic Garden, Anacostia River, Washington, D.C.:
Kingman Lake, Anacostia River, Washington, D.C.:
Marshall Hall, Potomac River, Maryland:
Quantico, Potomac River, Virginia:
Washington Naval Yard, Anacostia River, Washington, D.C.:
Washington, Potomac River, D.C.:
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Tide Information
Date Time Tide Type Height
Alexandria, Potomac River, Virginia:
2012-05-15 11:44 PM EDT Low Tide 0.47
2012-05-16 5:55 AM EDT High Tide 3.12
2012-05-16 12:26 PM EDT Low Tide 0.48
2012-05-16 6:20 PM EDT High Tide 2.77
2012-05-17 12:32 AM EDT Low Tide 0.50
2012-05-17 6:42 AM EDT High Tide 3.17
Bellevue, Potomac River, Washington, D.C.:
2012-05-15 11:44 PM EDT Low Tide 0.47
2012-05-16 6:11 AM EDT High Tide 3.32
2012-05-16 12:26 PM EDT Low Tide 0.48
2012-05-16 6:36 PM EDT High Tide 2.94
2012-05-17 12:32 AM EDT Low Tide 0.50
2012-05-17 6:58 AM EDT High Tide 3.37
Bladensburg, Anacostia River, Maryland:
2012-05-16 12:20 AM EDT Low Tide 0.40
2012-05-16 6:08 AM EDT High Tide 3.45
2012-05-16 1:02 PM EDT Low Tide 0.40
2012-05-16 6:33 PM EDT High Tide 3.06
2012-05-17 1:08 AM EDT Low Tide 0.42
2012-05-17 6:55 AM EDT High Tide 3.50
Indian Head, Potomac River, Maryland:
2012-05-15 10:22 PM EDT Low Tide 0.26
2012-05-16 5:23 AM EDT High Tide 2.11
2012-05-16 11:04 AM EDT Low Tide 0.26
2012-05-16 5:48 PM EDT High Tide 1.88
2012-05-16 11:10 PM EDT Low Tide 0.27
2012-05-17 6:10 AM EDT High Tide 2.15
Kenilworth Aquatic Garden, Anacostia River, Washington, D.C.:
2012-05-16 12:05 AM EDT Low Tide 0.38
2012-05-16 6:06 AM EDT High Tide 3.41
2012-05-16 12:47 PM EDT Low Tide 0.38
2012-05-16 6:31 PM EDT High Tide 3.03
2012-05-17 12:53 AM EDT Low Tide 0.40
2012-05-17 6:53 AM EDT High Tide 3.47
Kingman Lake, Anacostia River, Washington, D.C.:
2012-05-15 11:59 PM EDT Low Tide 0.43
2012-05-16 5:59 AM EDT High Tide 3.35
2012-05-16 12:41 PM EDT Low Tide 0.43
2012-05-16 6:24 PM EDT High Tide 2.97
2012-05-17 12:47 AM EDT Low Tide 0.45
2012-05-17 6:46 AM EDT High Tide 3.40
Marshall Hall, Potomac River, Maryland:
2012-05-15 11:00 PM EDT Low Tide 0.33
2012-05-16 5:47 AM EDT High Tide 2.67
2012-05-16 11:42 AM EDT Low Tide 0.33
2012-05-16 6:12 PM EDT High Tide 2.37
2012-05-16 11:48 PM EDT Low Tide 0.35
2012-05-17 6:34 AM EDT High Tide 2.71
Quantico, Potomac River, Virginia:
2012-05-15 9:51 PM EDT Low Tide 0.24
2012-05-16 4:45 AM EDT High Tide 1.66
2012-05-16 10:33 AM EDT Low Tide 0.24
2012-05-16 5:10 PM EDT High Tide 1.47
2012-05-16 10:39 PM EDT Low Tide 0.25
2012-05-17 5:32 AM EDT High Tide 1.68
Washington Naval Yard, Anacostia River, Washington, D.C.:
2012-05-15 11:49 PM EDT Low Tide 0.43
2012-05-16 5:55 AM EDT High Tide 3.28
2012-05-16 12:31 PM EDT Low Tide 0.43
2012-05-16 6:20 PM EDT High Tide 2.92
2012-05-17 12:37 AM EDT Low Tide 0.45
2012-05-17 6:42 AM EDT High Tide 3.34
Washington, Potomac River, D.C.:
2012-05-15 11:55 PM EDT Low Tide 0.36
2012-05-16 5:37 AM EDT High Tide 3.25
2012-05-16 12:37 PM EDT Low Tide 0.36
2012-05-16 6:02 PM EDT High Tide 2.89
2012-05-17 12:43 AM EDT Low Tide 0.38
2012-05-17 6:24 AM EDT High Tide 3.30
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Currents Information
Date Time Current Type Speed
Freestone Point, 2.3 miles east of, Maryland Current:
2012-05-15 11:07 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 2:40 AM EDT Max Flood 0.89 knots
2012-05-16 5:41 AM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 9:09 AM EDT Max Ebb -0.72 knots
2012-05-16 12:34 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 3:10 PM EDT Max Flood 0.46 knots
2012-05-16 5:19 PM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 8:52 PM EDT Max Ebb -0.65 knots
2012-05-16 11:49 PM EDT Slack, Flood Begins 0.00 knots
2012-05-17 3:26 AM EDT Max Flood 0.94 knots
2012-05-17 6:28 AM EDT Slack, Ebb Begins -0.00 knots
Hains Point, D.C. Current:
2012-05-15 11:30 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 3:12 AM EDT Max Flood 0.79 knots
2012-05-16 6:13 AM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 8:57 AM EDT Max Ebb -0.32 knots
2012-05-16 12:57 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 3:42 PM EDT Max Flood 0.41 knots
2012-05-16 5:51 PM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 8:40 PM EDT Max Ebb -0.29 knots
2012-05-17 12:12 AM EDT Slack, Flood Begins 0.00 knots
2012-05-17 3:58 AM EDT Max Flood 0.84 knots
2012-05-17 7:00 AM EDT Slack, Ebb Begins -0.00 knots
Hallowing Point, Maryland Current:
2012-05-15 11:22 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 2:36 AM EDT Max Flood 1.39 knots
2012-05-16 5:45 AM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 9:00 AM EDT Max Ebb -1.12 knots
2012-05-16 12:49 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 3:06 PM EDT Max Flood 0.71 knots
2012-05-16 5:23 PM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 8:43 PM EDT Max Ebb -1.01 knots
2012-05-17 12:04 AM EDT Slack, Flood Begins 0.00 knots
2012-05-17 3:22 AM EDT Max Flood 1.47 knots
2012-05-17 6:32 AM EDT Slack, Ebb Begins -0.00 knots
Jones Point, Alexandria, Virginia Current:
2012-05-15 11:46 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 2:42 AM EDT Max Flood 1.19 knots
2012-05-16 6:18 AM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 9:22 AM EDT Max Ebb -0.88 knots
2012-05-16 1:13 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 3:12 PM EDT Max Flood 0.61 knots
2012-05-16 5:56 PM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 9:05 PM EDT Max Ebb -0.79 knots
2012-05-17 12:28 AM EDT Slack, Flood Begins 0.00 knots
2012-05-17 3:28 AM EDT Max Flood 1.26 knots
2012-05-17 7:05 AM EDT Slack, Ebb Begins -0.00 knots
Quantico Creek entrance, Virginia Current:
2012-05-15 9:52 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 1:12 AM EDT Max Flood 0.60 knots
2012-05-16 4:12 AM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 7:41 AM EDT Max Ebb -0.48 knots
2012-05-16 11:18 AM EDT Slack, Flood Begins 0.00 knots
2012-05-16 1:42 PM EDT Max Flood 0.30 knots
2012-05-16 3:50 PM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 7:24 PM EDT Max Ebb -0.43 knots
2012-05-16 10:33 PM EDT Slack, Flood Begins 0.00 knots
2012-05-17 1:58 AM EDT Max Flood 0.63 knots
2012-05-17 4:59 AM EDT Slack, Ebb Begins -0.00 knots
Quantico, Virginia Current:
2012-05-15 10:17 PM EDT Slack, Flood Begins 0.00 knots
2012-05-16 1:37 AM EDT Max Flood 0.89 knots
2012-05-16 4:37 AM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 8:06 AM EDT Max Ebb -0.88 knots
2012-05-16 11:43 AM EDT Slack, Flood Begins 0.00 knots
2012-05-16 2:07 PM EDT Max Flood 0.46 knots
2012-05-16 4:15 PM EDT Slack, Ebb Begins -0.00 knots
2012-05-16 7:49 PM EDT Max Ebb -0.79 knots
2012-05-16 10:58 PM EDT Slack, Flood Begins 0.00 knots
2012-05-17 2:23 AM EDT Max Flood 0.94 knots
2012-05-17 5:24 AM EDT Slack, Ebb Begins -0.00 knots
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Tide Quick Jump

NOT FOR NAVIGATION. DO NOT RELY ON THIS DATA FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING.