Thursday, April19, 2018 L-36.com


Marine Weather and Tides
Shady Side, MD

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:20AMSunset 7:48PM Thursday April 19, 2018 5:41 AM EDT (09:41 UTC) Moonrise 8:10AMMoonset 10:52PM Illumination 16% Phase: Waxing Crescent; Moon at 4 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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ANZ532 Chesapeake Bay From Sandy Point To North Beach- 432 Am Edt Thu Apr 19 2018
.gale warning in effect through late tonight...
Rest of the overnight..SW winds 10 kt. Waves 2 ft. Isolated showers.
Today..W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. A chance of showers.
Tonight..NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
Fri..NW winds 15 to 20 kt with gusts to 25 kt. Waves 4 ft... Subsiding to 2 ft in the afternoon.
Fri night..NW winds 10 to 15 kt. Waves 1 to 2 ft.
Sat..NW winds 5 to 10 kt. Waves 1 ft.
Sat night..N winds 5 kt. Waves less than 1 ft.
Sun..SE winds around 5 kt. Waves 1 ft or less.
Mon..E winds 5 to 10 kt. Waves 1 ft.
ANZ500 432 Am Edt Thu Apr 19 2018
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A cold front will cross the waters later this morning. High pressure will return from the ohio valley Friday into the weekend.

7 Day Forecast for Marine Location Near Shady Side, MD
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location: 38.86, -76.46     debug


Area Discussion for - Baltimore, MD/Washington
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Fxus61 klwx 190801
afdlwx
area forecast discussion
national weather service baltimore md washington dc
401 am edt Thu apr 19 2018

Synopsis A cold front will cross the area later this morning.

High pressure will build on Friday and remain in control through
early next week.

Near term through tonight
Cdfnt is currently crossing the area early this morning and will
push east of the chesapeake bay by 8am today. Sct showers will
continue through about midday east of the mtns while in the mtns
rain showers turn into snow snow showers by late morning. While
showers will end by early afternoon east of the mtns, cloud
cover will persist through much of the day and inhibit mixing
potential somewhat. It will become windy later today especially
across far northern va and central md, but it appears most
gusts should stay below 40 kt likely in the 32-38 kt range.

Clearing and turning colder tonight and still breezy with
freezing temperatures likely west of the i-95 corridor.

Short term Friday through Saturday night
High pressure will build over the region into the weekend with
dry conditions. Breezy and cool with highs in the 50s. Another
night of freezing temperatures is likely with more freeze
watches warnings likely.

Long term Sunday through Wednesday
High pressure centered over the eastern great lakes region on Sunday
will make an east southeastward shift off the mid atlantic coastline
through Monday evening. During this period, expect dry conditions
and slightly below normal temperatures. Highs will top out in the
lower to middle 60s, while lows will generally fall in to the upper
30s to near 40 degrees area wide.

A dry and pleasant start to the work week is on tap Monday as high
pressure remains in control, providing mostly sunny skies and
temperatures in the lower to middle 60s. A cutoff upper level low
will reside over the southeastern u.S. Early next week, with a wide
swath of precipitation likely in that region as a result.

Progression of this feature and its associated surface low diverges
between global guidance this morning. GFS maintains a more
progressive system moving northeastward and bringing the threat for
precipitation, at least to the southern portions of the CWA late
Monday night and into Tuesday. The ECMWF maintains a ridge of high
pressure over much of the mid atlantic into early Wednesday, before
the western atlantic high retreats eastward. GEFS carry a similar
solution to the ECMWF output, so at this time, will carry middle of
the road precipitation chances Tuesday and Wednesday until timing
differences can be fine tuned in the follow days. Cooler than normal
temperatures can be expected during this time period with the
potential unsettled pattern and increased cloud cover.

Aviation 08z Thursday through Monday
Bkn-ovc CIGS 035-050 today. Main impact will be NW winds gusting
around 35kt diminishing somewhat tonight. Gusts to 25kt expected
fri. Winds below 10kt Sat with no weather.

Vfr conditions will prevail at all terminals Sunday through Monday
as a ridge of high pressure dominates our weather features with
light winds less than 10 knots.

Marine
Gale warning in effect today into early this evening, then sca
overnight and all day fri. Winds diminish below 10 kt sat.

Sub SCA conditions forecast Sunday through Monday as a ridge of high
pressure will keep winds light over the waters.

Lwx watches warnings advisories
Dc... None.

Md... Wind advisory until 6 pm edt this evening for mdz501.

Freeze watch from late tonight through Friday morning for
mdz003>006-503>507.

Va... Wind advisory until 6 pm edt this evening for vaz503-504-507-
508.

Freeze watch from late tonight through Friday morning for
vaz025>031-036>040-050>053-055-056-501-502-505>508.

Wv... Wind advisory until 6 pm edt this evening for wvz501-503-505-
506.

Freeze watch from late tonight through Friday morning for
wvz051>053.

Marine... Gale warning until 11 pm edt this evening for anz530>533-537-
539>541.

Gale warning until 8 pm edt this evening for anz535-536-538-
542.

Gale warning until 6 am edt Friday for anz534-543.

Synopsis... Lfr
near term... Lfr
short term... Lfr
long term... Bkf
aviation... Bkf lfr
marine... Bkf lfr jmg


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TPLM2 - Thomas Point, MD 3 mi41 min NNW 18 G 20 50°F 50°F1005.7 hPa (+1.4)42°F
APAM2 - 8575512 - Annapolis, MD 9 mi41 min 51°F 1004.8 hPa (+1.7)
CPVM2 10 mi41 min 50°F 46°F
BSLM2 - Chesapeake Bay, MD 14 mi131 min NNE 1 44°F 1002 hPa42°F
44062 - Gooses Reef, MD 21 mi31 min N 16 G 19 50°F 1004.7 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 25 mi41 min NNW 13 G 15 51°F 1005.4 hPa (+1.7)
FSNM2 25 mi41 min N 19 G 22 51°F 1004.8 hPa (+1.5)
TCBM2 - 8573364 - Tolchester Beach, MD 27 mi41 min N 18 G 20 50°F 52°F1005.4 hPa (+1.3)
BLTM2 - 8574680 - Baltimore, MD 29 mi41 min N 13 G 17 52°F 52°F1005.1 hPa (+1.9)
CA2 - 8571892 - Cambridge, MD 29 mi41 min 48°F 53°F1003.8 hPa (+0.3)
WASD2 - 8594900 - Washington, DC 30 mi41 min N 5.1 G 12 52°F 55°F1005.4 hPa (+1.8)
COVM2 - 8577018 - Cove Point LNG Pier, MD 32 mi41 min N 19 G 23 49°F 1004.3 hPa (+1.2)
SLIM2 - 8577330 - Solomons Island, MD 37 mi41 min NW 12 G 15 49°F 52°F1003.6 hPa (+1.5)
NCDV2 48 mi41 min NNW 6 G 9.9 50°F 55°F1003.7 hPa (+1.8)

Wind History for Francis Scott Key Bridge NE Tower, MD
(wind in knots)    EDIT      (on/off)   Help
6
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-12
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Last
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SW12
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G17
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G14
SW7
G11
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1 day
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W14
G18
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G23
W16
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G21
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G24
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G29
W12
G17
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W11
G14
W7
G12
W6
G10
2 days
ago
SE20
W24
NW21
NW18
W14
W19
G24
W21
G26

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Annapolis, United States Naval Academy, MD8 mi47 minNNW 1110.00 miOvercast53°F46°F77%1004.9 hPa
Bay Bridge Field, MD11 mi66 minN 10 G 157.00 miOvercast50°F44°F82%1003.7 hPa
Easton / Newman Field, MD21 mi52 minN 410.00 miMostly Cloudy47°F41°F82%1004.4 hPa
Camp Springs / Andrews Air Force Base, MD22 mi45 minNNW 1210.00 miOvercast49°F41°F76%1005.4 hPa
Fort Meade / Tipton, MD23 mi65 minNNW 710.00 miOvercast48°F39°F71%1005.8 hPa

Wind History from ESN (wind in knots)
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Last 24hrCalmW6NW11N6NW7
G14
NW6W9W6
G14
SW9SW7SW5SW5CalmSE3SE3SE4SE3SE6S5SE4NE4NE4NE4N7
1 day agoNW8NW7
G16
NW11
G17
NW13
G21
NW11
G20
W12
G17
W11
G16
W8
G15
W12
G14
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W8NW9
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NW7NW13
G19
W9
G14
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G16
NW16
G24
N12
G24
NW8
G15
NW7N7CalmW3
2 days agoE12
G18
SE10
G15
S10
G15
S11
G16
S18
G23
W13
G21
W11
G17
W11
G17
NW12
G18
NW16
G25
NW8NW10NW8
G15
NW10N5NW8N12
G17
NW11NW11
G20
NW9
G16
NW12
G15
NW11
G19
NW14
G20
NW11
G18

Tide / Current Tables for Shady Side, West River, Maryland
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Shady Side
Click for Map
Thu -- 01:32 AM EDT     0.14 feet Low Tide
Thu -- 06:23 AM EDT     Sunrise
Thu -- 07:52 AM EDT     1.48 feet High Tide
Thu -- 09:10 AM EDT     Moonrise
Thu -- 03:24 PM EDT     0.20 feet Low Tide
Thu -- 07:46 PM EDT     Sunset
Thu -- 08:24 PM EDT     0.93 feet High Tide
Thu -- 11:52 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.20.20.30.50.91.21.41.51.41.20.90.70.50.30.20.20.40.60.80.90.90.80.6

Tide / Current Tables for Baltimore Harbor Approach, Maryland Current
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Baltimore Harbor Approach
Click for Map
Thu -- 01:58 AM EDT     -0.66 knots Max Ebb
Thu -- 04:40 AM EDT     0.00 knots Slack
Thu -- 06:23 AM EDT     Sunrise
Thu -- 08:20 AM EDT     1.11 knots Max Flood
Thu -- 09:09 AM EDT     Moonrise
Thu -- 11:48 AM EDT     -0.00 knots Slack
Thu -- 03:05 PM EDT     -1.01 knots Max Ebb
Thu -- 06:45 PM EDT     0.00 knots Slack
Thu -- 07:46 PM EDT     Sunset
Thu -- 09:12 PM EDT     0.50 knots Max Flood
Thu -- 11:49 PM EDT     -0.00 knots Slack
Thu -- 11:52 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.6-0.7-0.6-0.30.10.60.91.11.10.80.4-0.1-0.6-0.9-1-0.9-0.7-0.30.10.40.50.40.2

Weather Map and Satellite Images
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wmap_A
GOES 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.
target = "new">Link to Loop



Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Baltimore, MD/Washington (5,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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Disclaimer:
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.