Monday, March27, 2017 L-36.com


Marine Weather and Tides
Tall Timbers, MD

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:57AMSunset 7:28PM Monday March 27, 2017 6:37 AM EDT (10:37 UTC) Moonrise 5:52AMMoonset 6:06PM Illumination 0% Phase: New Moon; Moon at 29 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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ANZ537 Tidal Potomac From Cobb Island To Smith Point- 432 Am Edt Mon Mar 27 2017
.small craft advisory in effect from 9 am edt this morning through this afternoon...
Rest of the overnight..S winds 5 kt. Waves 2 ft. A slight chance of rain with patchy drizzle. Patchy fog. Vsby 1 to 3 nm.
Today..S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
Tonight..S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
Tue..S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
Tue night..SW winds 10 to 15 kt...becoming nw after midnight. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers.
Wed..N winds 10 kt with gusts to 25 kt. Waves 2 to 3 ft.
Wed night..N winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.
Thu..SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers through the night.
Fri..SE winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Waves 2 to 3 ft...subsiding to 1 ft after midnight. Showers. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 432 Am Edt Mon Mar 27 2017
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A warm front will push through the mid atlantic this morning. A cold front is expected to cross the chesapeake bay region Tuesday night. High pressure will build across the waters for midweek, followed by a low pressure system moving towards the region on Friday. Small craft advisories are possible Tuesday night and Wednesday behind the cold front, and again on Friday.

7 Day Forecast for Marine Location Near Tall Timbers, MD
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location: 38.15, -76.63     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 270728
afdakq
area forecast discussion
national weather service wakefield va
328 am edt Mon mar 27 2017

Synopsis
A weak frontal boundary over the area lifts back to the north
this morning. A cold front approaches from the west tonight and
crosses the region late Tuesday through Tuesday night. High
pressure builds in from the north on Wednesday.

Near term /until 6 pm this evening/
Weak sfc boundary remains over the fa... Roughly from about fvx-
mfv. N of the boundary... Fg remains w/ vsbys mainly 1-3sm... Though
vsbys 1/4-1/2sm found over much of the lower md ERN shore (and
the adjacent waters). Will re-issue sps for locally dense fg
early this morning on the lower md ERN shore. The boundary will
be lifting N through the morning hours... Therefore expect
slow/gradual improvement in the fg/vsbys (from s-n).

Initial area of low pres lifts into/through new england
today... Leaving fa w/ continued mild/warm conditions as hi pres
(sfc-aloft) remains INVOF SE CONUS coast. Mainly mostly cloudy
this morning... W/ isold shras... Mainly confined to NW of a avc-
ric-sby line... Becoming partly sunny by aftn. All zones will be
back in the warm sector... Even eventually on the eastern shore.

Aside from locally cooler readings at the immediate coast...

most areas will rise into the m-u70s. Not much forcing for
widespread precip (after early-mid morning), but will carry 20%
pops for aftn showers (tstms well inland).

Short term /6 pm this evening through Wednesday/
Upper level ridging begins to break down tonight... As the front
approaches from the W and will carry chc pops west of i-95
after midnight/20% or less e. Warm with lows mainly 55-60 f.

Upper level trough pushes into the area Tue as a sfc cold front
passes arrives late in the day. Continued warm w/ highs well
into the 70s to near 80f. There will be a higher chance for
showers and aftn tstms. Will continue with 40-50% pops most
areas. There will be some potential for a few stronger storms
tue aftn/evening as speed and directional increases and sfc dew
pts approach 60f... But overall not looking like widespread
severe wx. Drying late Tue night with lows mainly 50-55 f... W/
partly/mostly sunny conditions wed. Somewhat cooler but still a
little above avg with highs 60-65f near the coast and in the
u60s-l70s well inland.

Long term /Wednesday night through Sunday/
Dry wx expected for Wed night thru thu, as high pressure builds
down over the area to along the east coast. Decent chc for
showers and possible tstms later Thu night into early sat
morning, as low pressure and another associated cold front
approaches and moves acrs the region. Dry wx and high pressure
returns for Sat aftn thru sun.

Highs in the mid 50s to lower 60s thu, in the upper 50s to mid
60s fri, and in the 60s to near 70 Sat and sun. Lows in the
upper 30s to mid 40s Wed night, in the lower to mid 40s thu
night, in the mid 40s to lower 50s Fri night, and in the 40s sat
night.

Aviation /07z Monday through Friday/
Continuing lifr/ifr cigs/vsbys expected at sby through 12-14z/27
before gradual improvement. Additionally... Isold shrasslowly
spreading E into the fa... Though continue to decrease in
coverage. Sfc boundary dissecting the fa nw-se will be lifting n
through this morning. Expecting mainlyVFR conditions by
midday/afternoon hours w/ low prob for shras. Unsettled wx
conditions will persist across the region into Tue night. Shras
becoming increasingly likely during tue... Into Tue night.

Periods of reduced aviation conditions will be possible during
times of precipitation. Dry/vfr Wed as winds shift to the n.

Marine
Low visibility in fog (<1 nm) continues to plague the northern
coastal waters and the upper bay early this morning. Based on trends
in the latest obs will continue the dense fog advisory north of
windmill pt thru 7 am and also for the coastal waters north of
parramore island.

A frontal boundary remains draped across the DELMARVA early this
morning with reduced visibility in light onshore e/ne flow. South of
the boundary winds are S at 10 kt or less. The frontal boundary will
eventually get pulled back north of the DELMARVA later this morning
with improving visibility across the northern waters... And winds
becoming S 5 to 15 kt all areas for the rest of today as sfc high
pressure lingers off the SE coast. Winds S to SW 10 to 15 kt
continues tonight and Tue morning. Seas 2-4 ft; waves 1-2 ft.

Low pressure and its associated cold front will across the local
area late Tue into early Wed morning. Winds s/sw 10-15 kt Tue aftn
will become w/nw 10-15 kt Tue night then n-ne 10-15 kt on wed. Do
not expect SCA conditions to be met thru wed.

High pressure will build in from the N for Wed night and Thu with
ne winds 15 kt or less, becoming E by late thu. Seas 2-4 ft; waves
1-3 ft thru the period.

Akq watches/warnings/advisories
Md... None.

Nc... None.

Va... None.

Marine... Dense fog advisory until 7 am edt this morning for anz630-650-
652.

Synopsis... Ajb/lkb
near term... Ajb
short term... Alb/lkb
long term... Tmg
aviation... Alb
marine... Jdm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PPTM2 - 8578240 - Piney Point, MD 5 mi50 min SE 6 G 6
LWTV2 - 8635750 - Lewisetta, VA 14 mi50 min SSW 7 G 8 52°F 50°F1018.6 hPa
SLIM2 - 8577330 - Solomons Island, MD 15 mi50 min E 5.1 G 6 47°F 47°F
44042 - Potomac, MD 18 mi38 min SSE 5.8 G 7.8 48°F 46°F1018.1 hPa (-1.7)
COVM2 - 8577018 - Cove Point LNG Pier, MD 22 mi50 min S 7 G 8.9 46°F 1019.6 hPa
NCDV2 25 mi50 min SE 2.9 G 4.1 48°F 50°F1018.6 hPa
44062 - Gooses Reef, MD 30 mi38 min SSW 3.9 G 3.9 46°F 46°F1019.7 hPa (-1.6)
BISM2 - 8571421 - Bishops Head, MD 32 mi50 min SSE 11 G 11 49°F 50°F1019.3 hPa
CA2 - 8571892 - Cambridge, MD 42 mi50 min Calm G 1.9 49°F 46°F1018.5 hPa
44058 - Stingray Point, VA 45 mi38 min S 5.8 G 7.8 50°F 49°F1020.1 hPa (-0.5)

Wind History for Piney Point, MD
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD11 mi45 minSE 510.00 miA Few Clouds50°F48°F96%1018.7 hPa
St Marys County Airport, MD12 mi57 minN 010.00 miPartly Cloudy48°F46°F94%1019.3 hPa
Patuxent River, Naval Air Station, MD16 mi46 minN 07.00 miOvercast46°F46°F100%1018.9 hPa
Tappahannock-Essex County Airport, VA24 mi43 minSSE 410.00 miFair53°F52°F100%1019 hPa

Wind History from NUI (wind in knots)
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Last 24hrNE8NE8NE8NE9NE12NE8NE9E7NE6NE10NE13NE10NE8NE7E8E7E5NE5E3NE4E3SE5E4SE5
1 day agoS5S7SW6SW8SW7SW8SW7SW7SW6SW5SE4E5NE3CalmSE4S4CalmCalmNE12
G16
NE12NE9NE11NE11NE8
2 days agoS6S8S7SW8S9S10S8S7SW11SW8SW10S10SW12SW12S10SW9SW6SW5SW8S9S8S8S7SW6

Tide / Current Tables for Coles Point, Virginia
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Coles Point
Click for Map
Mon -- 02:15 AM EDT     2.12 feet High Tide
Mon -- 06:52 AM EDT     Moonrise
Mon -- 06:58 AM EDT     Sunrise
Mon -- 08:33 AM EDT     0.02 feet Low Tide
Mon -- 02:40 PM EDT     2.08 feet High Tide
Mon -- 07:06 PM EDT     Moonset
Mon -- 07:25 PM EDT     Sunset
Mon -- 08:49 PM EDT     0.03 feet Low Tide
Mon -- 10:59 PM EDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.622.121.61.20.70.30.100.30.81.41.822.11.81.30.80.40.100.20.6

Tide / Current Tables for Point Patience, 0.1 mile southwest of, Maryland Current
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Point Patience
Click for MapFlood direction 315 true
Ebb direction 145 true

Mon -- 01:54 AM EDT     -0.00 knots Slack
Mon -- 05:44 AM EDT     -0.88 knots Max Ebb
Mon -- 06:51 AM EDT     Moonrise
Mon -- 06:58 AM EDT     Sunrise
Mon -- 09:44 AM EDT     0.00 knots Slack
Mon -- 11:42 AM EDT     0.52 knots Max Flood
Mon -- 02:10 PM EDT     -0.00 knots Slack
Mon -- 06:00 PM EDT     -0.88 knots Max Ebb
Mon -- 07:05 PM EDT     Moonset
Mon -- 07:24 PM EDT     Sunset
Mon -- 09:55 PM EDT     0.00 knots Slack
Mon -- 10:59 PM EDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.3-0-0.4-0.7-0.8-0.9-0.8-0.6-0.30.10.40.50.40.1-0.3-0.6-0.8-0.9-0.8-0.6-0.300.4

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Mid-Atlantic    EDIT
Geos

Wind Forecast for Wakefield, VA (6,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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weather_mapweather_map weather_map

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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.