Tuesday, January28, 2020
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Marine Weather and Tides
Benedict, MD

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:15AMSunset 5:25PM Tuesday January 28, 2020 8:26 PM EST (01:26 UTC) Moonrise 9:35AMMoonset 9:04PM 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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ANZ533 Chesapeake Bay From North Beach To Drum Point- 639 Pm Est Tue Jan 28 2020
Tonight..NW winds 10 to 15 kt. Waves 2 ft.
Wed..N winds 5 to 10 kt. Waves 1 to 2 ft.
Wed night..NE winds 5 to 10 kt. Waves 1 ft.
Thu..NE winds 5 to 10 kt. Waves 1 ft.
Thu night..NE winds around 5 kt. Waves 1 ft or less.
Fri..N winds around 5 kt. Waves flat.
Fri night..E winds around 5 kt. Waves flat. A chance of rain.
Sat..NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
Sun..W winds 5 to 10 kt. Waves 1 to 2 ft.
ANZ500 639 Pm Est Tue Jan 28 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. Weak disturbances will pass over the area through tonight. High pressure will build over the northern great lakes Wednesday and Thursday as a cold front drops south from new england and low pressure passes across the southeastern states. Another low pressure system will develop along the southeast coast by late Friday.


7 Day Forecast for Marine Location Near Benedict, MD
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location: 38.51, -76.67     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 281959 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 259 PM EST Tue Jan 28 2020

SYNOPSIS. Weak disturbances will pass over the area through tonight. High pressure will build over the northern Great Lakes Wednesday. Another weak disturbance will cross the region Thursday before weak high pressure returns Friday. A storm system will pass to the southeast Friday night into Saturday morning while another system will cross the area Saturday afternoon and Saturday night. High pressure will return by early next week.

NEAR TERM /THROUGH WEDNESDAY/. Northwesterly flow dominates the region this afternoon between low pressure near Nova Scotia and high pressuer over the north- central Plains. Another weak low pressure is centered near Dallas Texas. Aloft, broad northwesterly flow is in place between a closed low near Nova Scotia and a weak ridge over the Mississippi Valley. Another shortwave is over the high plains with a closed low near Dallas Texas.

The northwest flow has brought plentiful moisture across the region today, resulting in a lot of clouds, but without lift, no precip has occurred. Guidance suggests a slow breakup of clouds this evening as moisture thins out, so have skies going partly cloudy. The weakening pressure gradient should allow winds to diminish too, so lows should get colder than last night, closer to normal (but still probably on the plus side). Lingering snow showers along the Allegany Front should finally completely shut off for the first time since Saturday night.

Weak ridging slowly builds in from the west aloft and at the surface on Wednesday, which should allow for more sunshine, though a small moisture layer will persist. Thus do not expect completely sunny skies. With more sun, but colder temps aloft, highs should not be much different than today, perhaps a smidge colder, but less wind and more sun should result in little sensible difference. It may in fact feel warmer.

SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/. The disturbance currently over the high plains with a low center near Dallas will be slowly making its way eastwar over the next day or so. By Wednesday night, it will be approaching our region, and should then cross the area on Thursday. The system will be weakening through this time, so while some precip may make it into our southwestern zones (Shenandoah Valley/Central VA), do not expect any precpip to reach the metro. However, with relatively cold temps, what does fall will more than likely be snow, especially if it starts early in the day. Thus, a small accumulation cannot be ruled out on Thursday across our southwestern zones, but not anywhere close to advisory level. Highs will likely stay cooler with more clouds, with 30s to low 40s. Clouds will diminish Thursday night as the system pulls out, with lows in the 20s.

LONG TERM /FRIDAY THROUGH TUESDAY/. High pressure will keep conditions cool and dry Friday. A low pressure system along the Gulf Coast will move to the East Coast late Friday and Friday night. Confidence remains low at this time as to whether there will be a snow impact on us or not Friday night and Saturday. Computer models are keeping the low near or just offshore the mid-Atlantic Coast. Thus, keeping our chance of snow minimal to none. Should this low continue to track toward the northeast then offshore, a secondary low will swing in from the west and could bring a chance for rain showers or snow showers Saturday afternoon and night, along with some colder air.

The possibilities of a wintry impact range from little to no snow as the low could stay well to our southeast to some snow accumulation everywhere across the region with the higher amounts in the east. We will monitor trends in the guidance and focus on a solution as we move into mid-late week.

As for Sunday through Monday, a drier short-term pattern appears to be the possibility as high pressure moves in from the west.

A return flow develops Monday night and Tuesday; thus, ushering in milder air from the south. A chance for rain showers are possible Tuesday.

AVIATION /20Z TUESDAY THROUGH SUNDAY/. Cigs around 4kft will linger through early evening before breaking up. Sct clouds around the same level will linger through Wednesday. Winds gusting near 20 knots this afternoon will drop off this evening and should generally remain below 15 knots through Thursday night. Only risk of sub-VFR is for CHO on Thursday, when a weak disturbance could bring some light rain or snow to that area. Precip from that system is not expected to reach the DC metro terminals.

VFR conditions are expected Friday through Saturday night. Should any rain or snow showers develop near the terminals and become persistent then we could encounter MVFR cigs. Winds light and variable Friday and Friday night. Winds becoming south 5 to 10 knots Saturday, then backing to the northwest 10 knots Saturday night.

MARINE. Northwest gusts to 20 knots will dwindle late this afternoon. Gradient diminishes thereafter and winds should remain sub-SCA tonight through Thursday night, switching slowly from NW to NE through that time.

Sub-SCA conditions expected Friday through Saturday night. Winds light and variable Friday through Saturday. Winds becoming 10 to 15 knots gusts up to 20 knots Saturday night.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory until 6 PM EST this evening for ANZ530>543.

SYNOPSIS . RCM NEAR TERM . RCM SHORT TERM . RCM LONG TERM . KLW AVIATION . RCM/KLW MARINE . RCM/KLW


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SLIM2 - 8577330 - Solomons Island, MD 17 mi57 min 44°F 42°F1015.2 hPa
BSLM2 - Chesapeake Bay, MD 19 mi117 min NW 5.1 1014 hPa
NCDV2 23 mi57 min 44°F 44°F1015.2 hPa
PPTM2 - 8578240 - Piney Point, MD 27 mi69 min NW 12 G 13
TPLM2 - Thomas Point, MD 30 mi87 min WNW 13 G 15 44°F 40°F1015.8 hPa (+2.0)25°F
WASD2 - 8594900 - Washington, DC 31 mi57 min 44°F 40°F1015.9 hPa
CA2 - 8571892 - Cambridge, MD 32 mi57 min 43°F 41°F1015 hPa
APAM2 - 8575512 - Annapolis, MD 34 mi57 min 44°F 1014.5 hPa
44042 - Potomac, MD 37 mi33 min WNW 9.7 G 9.7 40°F 1015.8 hPa
CPVM2 37 mi57 min 43°F
LWTV2 - 8635750 - Lewisetta, VA 37 mi57 min 44°F 42°F1015.6 hPa
BISM2 - 8571421 - Bishops Head, MD 39 mi57 min 43°F 43°F1015 hPa

Wind History for Cove Point LNG Pier, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St Marys County Airport, MD15 mi40 minN 0 miOvercast43°F26°F53%1015.9 hPa
Patuxent River, Naval Air Station, MD21 mi95 minWNW 1210.00 miOvercast45°F28°F52%1015 hPa

Link to 5 minute data for K2W6

Wind History from 2W6 (wind in knots)
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Last 24hrNW5W4W3CalmNW4NW4W4W6W3NW5NW4W3W7NW3NW7NW7NW5NW7
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1 day agoCalmCalmCalmCalmCalmCalmCalmSW3CalmCalmCalmSW3W5W3W4W6W10
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2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW4SW4W4NW5CalmW4W8W5W3CalmCalmCalm

Tide / Current Tables for Benedict, Maryland
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Benedict
Click for Map
Tue -- 04:34 AM EST     1.02 feet High Tide
Tue -- 07:15 AM EST     Sunrise
Tue -- 09:34 AM EST     Moonrise
Tue -- 10:54 AM EST     -0.37 feet Low Tide
Tue -- 05:12 PM EST     1.46 feet High Tide
Tue -- 05:23 PM EST     Sunset
Tue -- 09:04 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-00.10.40.8110.80.50.2-0.1-0.3-0.4-0.300.50.91.31.51.41.20.90.50.2-0

Tide / Current Tables for Broomes Island, 0.4 mile south of, Maryland Current
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Broomes Island
Click for MapFlood direction 290 true
Ebb direction 110 true

Tue -- 12:00 AM EST     0.00 knots Slack
Tue -- 02:38 AM EST     0.34 knots Max Flood
Tue -- 05:58 AM EST     -0.00 knots Slack
Tue -- 07:14 AM EST     Sunrise
Tue -- 08:41 AM EST     -0.33 knots Max Ebb
Tue -- 09:34 AM EST     Moonrise
Tue -- 11:23 AM EST     0.00 knots Slack
Tue -- 02:26 PM EST     0.39 knots Max Flood
Tue -- 05:23 PM EST     Sunset
Tue -- 05:46 PM EST     -0.00 knots Slack
Tue -- 09:03 PM EST     Moonset
Tue -- 09:08 PM EST     -0.54 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-00.20.30.30.30.1-0-0.2-0.3-0.3-0.2-0.10.10.30.40.40.30.1-0.1-0.3-0.5-0.5-0.5-0.4

Weather Map
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wmap_A
GEOS Local Image of    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Baltimore, MD/Washington (20,4,5,8)
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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 numerous 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.