Tuesday, September17, 2019 L-36.com


Marine Weather and Tides
North Beach, MD

Version 3.4
NOTICE
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 6:47AMSunset 7:13PM Tuesday September 17, 2019 4:52 PM EDT (20:52 UTC) Moonrise 8:15PMMoonset 8:50AM Illumination 86% Phase: Waning Gibbous; Moon at 18 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- 435 Pm Edt Tue Sep 17 2019
Rest of this afternoon..NE winds 10 kt. Waves 1 ft.
Tonight..NE winds 5 to 10 kt. Waves 1 ft.
Wed..NE winds 5 to 10 kt. Waves 1 ft.
Wed night..E winds 5 to 10 kt. Waves 1 to 2 ft.
Thu..NE winds 5 to 10 kt. Waves 1 ft.
Thu night..E winds around 5 kt. Waves 1 ft.
Fri..SW winds 5 kt. Waves less than 1 ft.
Sat..SW winds 5 kt. Waves less than 1 ft.
ANZ500 435 Pm Edt Tue Sep 17 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure to the north will build over the waters through the end of the week before settling to the south this weekend. Small craft advisories may be required for portions of the waters Thursday morning before the gradient finally slackens.


7 Day Forecast for Marine Location Near North Beach, MD
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location: 38.73, -76.53     debug


Area Discussion for - Baltimore, MD/Washington
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Fxus61 klwx 171844
afdlwx
area forecast discussion
national weather service baltimore md washington dc
244 pm edt Tue sep 17 2019

Synopsis
A cold front to our south will push into the southeastern u.S.

Through tonight as canadian high pressure builds to our north.

This high will dominate over the northeast and mid-atlantic
region for the balance of the work week, promoting dry
conditions and cooler than normal temperatures. The high will
settle to our south this weekend.

Near term through tonight
Sprawling high pressure is centered north of the great lakes
over quebec today as a cold front continues to drift southward
through the carolinas. Locally, cloud cover is slowly eroding
from northeast to southwest, with the greatest concentration of
clouds holding on over central virginia, the shenandoah valley,
and the virginia highlands. Isolated shower activity is being
detected across central virginia as well, and high resolution
guidance in good consensus with this activity diminishing over
the next few hours as clouds erode and drier air works its way
into the area. Temperatures this afternoon will top out in the
middle 70s to lower 80s.

As drier air makes its way into the region, skies will continue
clearing overnight. With winds trending lighter, optimal
radiational cooling conditions will emerge, allowing
temperatures to drop into the 50s for much of the area outside
of the city centers where around 60 degree readings will exist.

Patchy fog will be possible in the favored mountain valley
locations.

Short term Wednesday through Thursday night
High pressure building into new england will dominate the
weather features the next couple of days, resulting in dry
conditions and cooler than normal temperatures under a east
northeast flow. Temperatures Wednesday through Thursday will
rise into the 70s under plentiful sunshine while falling back
into the 50s at night. Patchy fog will remain possible in the
predawn hours in the sheltered valleys and rural locations.

Long term Friday through Tuesday
High pressure will be in control over the region at the sfc and
aloft Fri through Sun maintaining very warm and dry weather. Temps
will be on the rise Sat through Mon as mid-upper level ridge remains
strong. The ridge pattern begins to break down Sun night as a
positively tilted trof moves across james bay and displaces the
ridge axis offshore. Associated (weak) cold front is fcst to cross
the area Mon night and may provide enough lift for a few showers,
although we wouldn't be talking much in terms of precip amounts
anyway. Trough axis crosses the area Tuesday with more dry fair
weather for the middle of next week. While temps will likely cool
off a bit after the frontal passage tue, they are still expected to
run above normal in the mid to upper 80s. While the tropical
atlantic is expected to remain active through the end of sep, td#10
(next storm name imelda) is not expected to be a concern to the u.S.

Mainland through at least early next week.

Aviation 18z Tuesday through Sunday
MVFR CIGS will remain at cho until this evening with clearing
skies expected thereafter, whileVFR conditions have returned to
all other terminals under northeasterly breezes at less than 10
knots. High pressure north of the terminals will build over the
region through weeks end with a light easterly flow prevailing.

As such, dry conditions and cooler temperatures will result in
vfr conditions persisting.

Vfr conditions Fri through Sat with no sig wx.

Marine
In the wake of the frontal passage overnight and building high
pressure to our north, the gradient will remain strong enough
for SCA conditions to persist over portions of the waters
through Wednesday night. After which, the gradient will relax as
the high slides southward from new england and sub sca
conditions return to the waters Thursday afternoon and evening.

Winds 10kt or less over the waters Fri through sun.

Tides coastal flooding
Onshore flow through Thursday will promote rising tidal
anomalies, resulting in the threat for minor tidal flooding.

Currently, no active advisories warnings in place but that will
likely change Wednesday and into Thursday as anomalies continue
to increase.

Lwx watches warnings advisories
Dc... None.

Md... None.

Va... None.

Wv... None.

Marine... Small craft advisory from 11 am Wednesday to 8 am edt Thursday
for anz533-541-542.

Small craft advisory until 8 am edt Thursday for anz534-537-
543.

Synopsis... Bkf
near term... Bkf
short term... Bkf
long term... Lfr
aviation... Bkf lfr
marine... Bkf lfr
tides coastal flooding... Bkf


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BSLM2 - Chesapeake Bay, MD 10 mi142 min ENE 2.9 78°F 1019 hPa61°F
TPLM2 - Thomas Point, MD 13 mi52 min N 8.9 G 9.9 74°F 77°F1019.6 hPa (-1.3)58°F
44062 - Gooses Reef, MD 13 mi28 min NE 5.8 G 7.8 75°F 1019.2 hPa
44063 - Annapolis 17 mi28 min ENE 3.9 G 5.8 75°F 78°F1018.6 hPa
APAM2 - 8575512 - Annapolis, MD 18 mi52 min 76°F 1018.2 hPa (-1.5)
CPVM2 20 mi58 min 75°F
COVM2 - 8577018 - Cove Point LNG Pier, MD 24 mi52 min NE 8.9 G 12 75°F 1019 hPa (-1.1)
CA2 - 8571892 - Cambridge, MD 27 mi58 min ENE 11 G 13 75°F 78°F1018.3 hPa
WASD2 - 8594900 - Washington, DC 28 mi58 min ESE 2.9 G 6 78°F 78°F1018.6 hPa
SLIM2 - 8577330 - Solomons Island, MD 29 mi52 min NNE 8.9 G 12 76°F 78°F1017.9 hPa (-1.1)
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 34 mi52 min E 6 G 8 76°F 1018.6 hPa (-1.7)
FSNM2 34 mi58 min ENE 6 G 8.9 75°F 1018.6 hPa
BLTM2 - 8574680 - Baltimore, MD 37 mi58 min SW 4.1 G 8.9 78°F 77°F1018.2 hPa
TCBM2 - 8573364 - Tolchester Beach, MD 37 mi58 min N 8.9 G 13 78°F1018.8 hPa
NCDV2 39 mi58 min NE 1 G 5.1 84°F1017.5 hPa
PPTM2 - 8578240 - Piney Point, MD 41 mi52 min E 8.9 G 11
BISM2 - 8571421 - Bishops Head, MD 44 mi58 min NE 9.9 G 12 78°F1018.6 hPa
44042 - Potomac, MD 49 mi28 min ENE 12 G 14 76°F 78°F1020.3 hPa

Wind History for Cove Point LNG Pier, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Annapolis, United States Naval Academy, MD17 mi2 hrsNE 510.00 miPartly Cloudy80°F57°F47%1019.2 hPa
Camp Springs / Andrews Air Force Base, MD19 mi56 minENE 410.00 miPartly Cloudy76°F58°F54%1019.1 hPa
Bay Bridge Field, MD20 mi72 minNNW 710.00 miFair77°F59°F54%1018.6 hPa

Link to 5 minute data for KADW

Wind History from ADW (wind in knots)
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Last 24hrW3E6E6NE6E7E4NE4N3CalmNE6NE3NE5NE6NE7NE9NE6NE8NE8NE10NE9E8E8E8NE4
1 day agoW5N3E5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW4SW3SW7CalmW5W3Calm
2 days agoS10S9S8CalmS3SW5S4S4S5S5S4SW4W4W4NW6N8N8N9N9NW10NE3NW5NW4W3

Tide / Current Tables for Rose Haven, Maryland
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Rose Haven
Click for Map
Tue -- 12:46 AM EDT     0.58 feet Low Tide
Tue -- 06:24 AM EDT     1.27 feet High Tide
Tue -- 06:49 AM EDT     Sunrise
Tue -- 09:50 AM EDT     Moonset
Tue -- 12:42 PM EDT     0.35 feet Low Tide
Tue -- 07:04 PM EDT     1.39 feet High Tide
Tue -- 07:11 PM EDT     Sunset
Tue -- 09:15 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.60.60.811.21.31.21.10.90.70.50.40.40.40.60.91.11.31.41.31.210.9

Tide / Current Tables for Baltimore Harbor Approach, Maryland Current
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Baltimore Harbor Approach
Click for Map
Tue -- 02:10 AM EDT     -0.78 knots Max Ebb
Tue -- 05:21 AM EDT     0.00 knots Slack
Tue -- 06:48 AM EDT     Sunrise
Tue -- 08:13 AM EDT     0.64 knots Max Flood
Tue -- 09:49 AM EDT     Moonset
Tue -- 11:06 AM EDT     -0.00 knots Slack
Tue -- 02:12 PM EDT     -0.72 knots Max Ebb
Tue -- 05:10 PM EDT     0.00 knots Slack
Tue -- 07:11 PM EDT     Sunset
Tue -- 08:30 PM EDT     0.87 knots Max Flood
Tue -- 09:14 PM EDT     Moonrise
Tue -- 11:49 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.6-0.8-0.7-0.5-0.10.20.50.60.60.40-0.3-0.6-0.7-0.7-0.4-0.10.30.70.80.80.70.3

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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Wind Forecast for Baltimore, MD/Washington (16,3,4,5)
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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.