Wednesday, December11, 2019
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Marine Weather and Tides
Madison, MD

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:10AMSunset 4:44PM Wednesday December 11, 2019 11:46 AM EST (16:46 UTC) Moonrise 4:33PMMoonset 6:25AM Illumination 100% Phase: Full Moon; Moon at 15 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ533 Chesapeake Bay From North Beach To Drum Point- 937 Am Est Wed Dec 11 2019
.small craft advisory in effect through this evening...
Rest of today..NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Tonight..N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Thu..E winds 5 to 10 kt. Waves 1 ft.
Thu night..E winds 5 kt. Waves less than 1 ft.
Fri..NE winds 5 kt. Waves flat. Rain likely.
Fri night..E winds 5 to 10 kt. Waves 1 ft. Rain.
Sat..W winds 10 to 15 kt. Waves 1 ft. Showers likely through the day, then a chance of showers through the night.
Sun..NW winds 10 to 15 kt. Waves 1 to 2 ft.
ANZ500 937 Am Est Wed Dec 11 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will build across the region today through Thursday. Low pressure system developing over the northern gulf of mexico will move northeastward toward the region Friday into Saturday. Small craft advisories may be needed Saturday.


7 Day Forecast for Marine Location Near Madison, MD
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location: 38.49, -76.22     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 111141 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 641 AM EST Wed Dec 11 2019

SYNOPSIS. High pressure builds into the area today and tonight. Low pressure develops along the Gulf Coast Friday, then tracks northeast along the eastern seaboard over the upcoming weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. As of 640 AM EDT Wednesday .

The pcpn is quickly shifting east this morning and will end west to east by noon. Had a burst of wet snow from RIC on north along I95 an hour ago which coated the ground in places. Otw, models continue to show a rapid decrease in clouds right after the pcpn ends with skies becoming sunny this aftrn. CAA keeps it cold despite the aftrn sunshine. Highs 40-45.

SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY NIGHT/. As of 215 AM EST Wednesday .

Clear/cold tonite as the center of the 1040 mb high tracks ene ivof the Mason-Dixon line. A secondary CAA surge will keep the winds up over the waters and right along the coast, but expect decoupling west of the bay. Lows in the 20s to around 30 se.

The high slowly pushes off to the ne Thurs. Cold despite ample sunshine although some aftrn SC will apprch the coast due to the persistant ne flow. Highs from the upr 30s nw to mid 40s se.

The high pushes off the New England coast Thurs nite. Moisture from the dvlpng systm to the ssw increases along a sfc trof ivof the mts while addntl moisture is noted along a Carolina coastal trof. Dry air in the lwr levels should keep it dry thru 12Z Fri with the exception of some rain creeping up from ern NC. Will increase the cloud coverage in the grids but keep it dry as the models show ridging east of the mts across the rgn. Lows in the upr 20s NW to lwr 40s SE but will likely steady out or rise a bit towards sunrise as the clouds come in.

The ridging slowly breaks down Fri with WAA moisture overspreading the area from the ssw throughout the day. The deepest moisture will come up from the sw during the aftrn. Thus, will have chc morning PoPs becoming likely during the aftrn. Depending on how fast the pcpn comes in, low lvl thicknesses suggest a possible brief period of fz rain across nwrn most (climo favored) zones at the onset. Highs from arnd 40 over the wrn most zones due to the insitu-wedge ranging to near 60 across the nrn OB.

Widespread rain Fri nite (cat PoPs) as low pressure tracks ne along the Mid Atlantic coastal plain. Lows upr 30s NW to lwr 50s SE.

LONG TERM /SATURDAY THROUGH TUESDAY/. As of 215 AM EST Wednesday .

Low pressure tracks northeast Saturday and into interior New England and Quebec, giving the area a dry northwest flow for Sunday. pcpn Sat morning, tapers off in the aftrn as trailing cold front pushes east. Highs Sat range from near 50 NW to lwr 60s SE. Lows Sat nite upr 30s nw to mid 40s SE. dry Sun with highs in the low-mid 50s.

Dry conditions will continue into Monday as a cold area of high pressure moves southeast across the Great Lakes Sunday night into Monday morning. High pressure will be centered over the area Monday with high temperatures on Monday in the mid 40s and lows Monday night in the low 30s. Models are indicating that another area of low pressure will develop in the northern Gulf of Mexico and track into the Mid-Atlantic Tuesday, bringing the next chance of rain, and possibly wintry precip for the onset of precip.

AVIATION /12Z WEDNESDAY THROUGH SUNDAY/. As of 630 AM EST Wednesday .

SCT-BKN IFR CIGS in areas of rain (rain/snow mix at RIC/SBY) will continue for the next 1-3 hrs. Pcpn quickly ends along with rapidly improving CIGS to VFR as high pressure quickly builds east after 16Z. Only SCT clouds along the coast by late in the day. Gusty north winds (15-25 kts) this morning diminish to 10 kts or less after 18Z.

OUTLOOK . VFR conditions cont thru Thurs nite as high pressure tracks nne of the area. The next systm brings rain and degraded flight conditions Friday through Saturday.

MARINE. As of 320 AM EST Wednesday .

The cold front has moved south and east of the waters and in its wake, N to NW winds have increased to around 15 to 25 knots with gusts to 30 knots. These wind speeds will continue through the early morning hours before diminishing later this morning and this afternoon. Did not make any changes to the Small Craft Advisories on this update. A second surge of CAA is expected later this evening and tonight (that does appear weaker than the current surge this morning, but still in the 15 to 20 knot range) before high pressure builds over the local waters Thursday. An additional round of SCAs will likely be needed for at least the Chesapeake Bay, Currituck Sound, and Lower James for this next round. High pressure drifts off to the NE later Thursday through Thursday night with low pressure developing along the Gulf Coast Friday and eventually tracking north to the Mid-Atlantic Saturday.

Seas generally range from 4 to 6 feet this morning while waves in the Bay range from 2 to 4 feet. Expect seas to remain elevated to at or above 5 feet (especially out 20 nm) into potentially Thursday. Seas decrease below SCA thresholds later Thursday for all locations minus the southern coastal waters where these conditions may linger through Friday. Seas build this weekend as the next system impacts the area.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . Small Craft Advisory until 1 PM EST this afternoon for ANZ632>634. Small Craft Advisory until 10 AM EST this morning for ANZ630- 631-638. Small Craft Advisory until 9 AM EST Thursday for ANZ654. Small Craft Advisory until 7 PM EST Thursday for ANZ656-658. Small Craft Advisory until 6 AM EST Thursday for ANZ650-652.

SYNOPSIS . MPR NEAR TERM . MPR SHORT TERM . MPR LONG TERM . CP/MPR AVIATION . MPR MARINE . AJB


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CA2 - 8571892 - Cambridge, MD 10 mi47 min NW 11 G 17 38°F 45°F1028 hPa (+0.8)
44062 - Gooses Reef, MD 11 mi23 min NW 12 G 14 38°F 1029.1 hPa
SLIM2 - 8577330 - Solomons Island, MD 17 mi47 min NW 9.9 G 16 37°F 47°F1028.4 hPa (+0.6)
BISM2 - 8571421 - Bishops Head, MD 21 mi47 min NNW 11 G 16 38°F 46°F1028.7 hPa (+0.9)
PPTM2 - 8578240 - Piney Point, MD 30 mi47 min NNW 20 G 23
TPLM2 - Thomas Point, MD 30 mi47 min W 15 G 17 36°F 45°F1029 hPa (+0.6)21°F
44042 - Potomac, MD 32 mi23 min 43°F 47°F
44063 - Annapolis 35 mi23 min NW 14 G 16 37°F 46°F1028.5 hPa
CPVM2 36 mi47 min 38°F
APAM2 - 8575512 - Annapolis, MD 37 mi47 min 37°F 1027.7 hPa (+0.6)
LWTV2 - 8635750 - Lewisetta, VA 37 mi47 min NNW 17 G 22 38°F 46°F1028.7 hPa (+0.6)
NCDV2 45 mi47 min NW 8.9 G 12 38°F 49°F1028.3 hPa (+0.8)

Wind History for Cambridge, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cambridge-Dorchester Airport, MD11 mi52 minNW 1210.00 miFair39°F26°F61%1028.1 hPa
Patuxent River, Naval Air Station, MD17 mi1.9 hrsNW 1510.00 miA Few Clouds38°F28°F68%1028.7 hPa
St Marys County Airport, MD21 mi72 minWNW 8 miFair36°F28°F75%1029.5 hPa
Easton / Newman Field, MD23 mi57 minWNW 8 G 1510.00 miClear39°F28°F65%1029.1 hPa

Link to 5 minute data for KCGE

Wind History from CGE (wind in knots)
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Last 24hr54--CalmCalmNW8
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Tide / Current Tables for Woolford, Church Creek, Little Choptank River, Maryland
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Woolford
Click for Map
Wed -- 01:59 AM EST     0.96 feet High Tide
Wed -- 06:25 AM EST     Moonset
Wed -- 07:11 AM EST     Sunrise
Wed -- 08:23 AM EST     -0.30 feet Low Tide
Wed -- 02:51 PM EST     1.80 feet High Tide
Wed -- 04:32 PM EST     Moonrise
Wed -- 04:43 PM EST     Sunset
Wed -- 10:26 PM EST     0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.910.90.70.40.1-0.1-0.3-0.3-00.40.91.41.71.81.71.51.20.90.50.30.20.2

Tide / Current Tables for Cove Point (1.1 mi. NE of), Maryland Current
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Cove Point (1.1 mi. NE of)
Click for Map
Wed -- 02:02 AM EST     0.29 knots Max Flood
Wed -- 04:38 AM EST     -0.00 knots Slack
Wed -- 06:25 AM EST     Moonset
Wed -- 07:12 AM EST     Sunrise
Wed -- 07:53 AM EST     -0.39 knots Max Ebb
Wed -- 10:18 AM EST     0.00 knots Slack
Wed -- 01:53 PM EST     0.83 knots Max Flood
Wed -- 04:34 PM EST     Moonrise
Wed -- 04:44 PM EST     Sunset
Wed -- 05:37 PM EST     -0.00 knots Slack
Wed -- 09:09 PM EST     -0.76 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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00.20.30.20.1-0.1-0.2-0.3-0.4-0.3-0.10.20.50.80.80.70.50.2-0.1-0.4-0.7-0.8-0.7-0.5

Weather Map
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wmap_A
GEOS Local Image of Mid-Atlantic    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Wakefield, VA (11,2,3,4)
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Ground Weather Radar Station Dover AFB, DE
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.