Friday, May29, 2020
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Marine Weather and Tides
Lusby, 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 5:44AMSunset 8:26PM Friday May 29, 2020 9:39 PM EDT (01:39 UTC) Moonrise 11:13AMMoonset 12:33AM Illumination 54% Phase: First Quarter Moon; Moon at 8 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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ANZ542 Patuxent River To Broomes Island Md- 808 Pm Edt Fri May 29 2020
Tonight..SW winds 10 kt. Waves 1 ft. A slight chance of tstms. A chance of showers early this evening, then a slight chance of showers after midnight.
Sat..NW winds 5 kt. Waves less than 1 ft.
Sat night..NW winds 10 to 15 kt. Waves 1 ft.
Sun..N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Sun night..N winds 5 to 10 kt. Waves 1 ft.
Mon..NW winds 5 to 10 kt. Waves 1 ft.
Mon night..NW winds around 5 kt. Waves 1 ft.
Tue..S winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night.
Wed..SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning. A chance of tstms, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 808 Pm Edt Fri May 29 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A cold front will approach from the west tonight and push through the area by early Saturday. High pressure will build over the area early next week. Small craft advisories may be needed Saturday night into Sunday.


7 Day Forecast for Marine Location Near Lusby, MD
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location: 38.35, -76.44     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 300122 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 922 PM EDT Fri May 29 2020

SYNOPSIS. A cold front will pass through tonight into early Saturday. High pressure will build overhead Saturday night through early next week. A warm front will move through the area Wednesday and a weak cold front will stall out near the region late next week.

NEAR TERM /UNTIL 6 AM SATURDAY MORNING/. Meso-analysis suggests that the airmass east of I-81 remains highly sheared and unstable, which the 00Z LWX RAOB confirms. Much of this area has yet to be worked over. Consequently, showers driven by shortwave energy have been able to develop once it reached this airmass . something which WoFS runs has been suggesting all day. The latest output indicating that a more solid line should develop as it lifts toward the DC/Baltimore burbs by 11pm-midnight. Have already issued one Severe Tstm Warning, and would not rule out a few more.

Additional thunderstorms along the system's cold front across West Virginia should largely fall apart before they reach the mountains, but a few additional showers can't be ruled out overnight in association with this activity as the cold front progresses southward through our area.

SHORT TERM /6 AM SATURDAY MORNING THROUGH SUNDAY NIGHT/. The surface cold front will continue to slowly work southward across the area on Saturday, but may get hung up across portions of central Virginia and southern Maryland. If the front doesn't progress out of the area, showers and thunderstorms could form along the corridor from Charlottesville to Fredericksburg to St. Mary's County. Elsewhere, skies should gradually clear out throughout the day, with dewpoints dropping into the 50s and high temperatures maxing out in the upper 70s to low 80s. A deep trough will dig southward toward our region Saturday afternoon into Saturday Night, driving a reinforcing cold front through the area Saturday Night. Much cooler and drier air will be ushered into the area in the wake of the reinforcing cold front. Sunny skies are expected on Sunday, with highs in the upper 60s to low 70s and dewpoints dropping into the upper 30s and low 40s.

LONG TERM /MONDAY THROUGH FRIDAY/. High pressure will remain overhead Monday through Monday night, bringing dry and mild conditions along with low humidity. High pressure will move offshore Tuesday through Tuesday night while a warm front approaches from the west. Mild conditions will continue, but there will be more clouds and perhaps even a couple showers ahead of the warm front. Any rainfall will be light and much of the time should turn out dry.

The warm front will pass through Wednesday, and it will turn out hotter and noticeably more humid behind the boundary. A west to northwest flow aloft combined with the increased heat and humidity will lead to a chance for showers and thunderstorms. A northwest flow aloft does favor a possible MCS, but confidence is very low this far out. Will continue to monitor.

A zonal flow is expected aloft for Thursday and Friday while a weak nearly stationary boundary sets up near the Mason-Dixon Line. The boundary will separate lower humidity from higher humidity. A couple showers and thunderstorms are possible on the warm side of the boundary.

AVIATION /01Z SATURDAY THROUGH WEDNESDAY/. A more solid line of showers/tstms developing along I-81, which will lift toward the hubs this evening. If these trends continue, may need to AMD IAD or CHO for brief aob IFR. Biggest period of concern would be 0200-0330 UTC. Development of patchy fog can't be ruled out overnight if it rains Otherwise conditions should remain VFR. which is what current forecast represents. VFR conditions will continue this weekend in the wake of a cold frontal passage.

High pressure will bring VFR conditions Monday and Monday night. A warm front will approach from the west Tuesday through Tuesday night. A shower cannot be ruled out, but much of the time should be dry and VFR conditions are most likely.

The warm front will pass through Wednesday, and more humidity will lead to a chance for showers and thunderstorms.

MARINE. Southerly flow has diminished enough for the Small Craft Advisory to be cancelled a couple of hours early. A cold front will progress over the waters overnight, with winds shifting around to northwesterly behind the front. Winds will be sub-SCA in magnitude on Saturday, but could increase to SCA levels again Saturday Night into Sunday within northerly flow behind a reinforcing cold front.

High pressure will build over the waters through Monday night. Northwest winds will be close to SCA criteria Monday into early Monday.

A warm front will approach the waters Tuesday into Tuesday night before passing through Wednesday. An SCA may be needed Tuesday night and Wednesday for west to southwest winds.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . None.

SYNOPSIS . BJL NEAR TERM . HTS SHORT TERM . KJP LONG TERM . BJL AVIATION . BJL/HTS/KJP MARINE . BJL/HTS/KJP


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SLIM2 - 8577330 - Solomons Island, MD 2 mi70 min SW 8 G 9.9 73°F 67°F1013.2 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 5 mi70 min S 8.9 G 9.9 1013.7 hPa
44062 - Gooses Reef, MD 14 mi46 min S 7.8 G 9.7 71°F
PPTM2 - 8578240 - Piney Point, MD 16 mi70 min SSE 4.1 G 5.1
44042 - Potomac, MD 23 mi46 min S 5.8 G 12 68°F 1013.8 hPa
BISM2 - 8571421 - Bishops Head, MD 23 mi70 min SSW 15 G 18 73°F 76°F1013.6 hPa
CA2 - 8571892 - Cambridge, MD 25 mi70 min S 9.9 G 15 75°F 69°F1013.5 hPa
LWTV2 - 8635750 - Lewisetta, VA 25 mi70 min SW 8 G 8.9 73°F 72°F1013.6 hPa
NCDV2 32 mi70 min SSW 5.1 G 8 1012.4 hPa
BSLM2 - Chesapeake Bay, MD 33 mi130 min SSW 6 1013 hPa
TPLM2 - Thomas Point, MD 38 mi40 min S 12 G 12 75°F 67°F1013.3 hPa (+0.4)70°F
44063 - Annapolis 42 mi46 min 73°F 68°F1 ft1012.1 hPa
APAM2 - 8575512 - Annapolis, MD 44 mi70 min 78°F 1012 hPa
CPVM2 45 mi70 min 70°F
WASD2 - 8594900 - Washington, DC 47 mi70 min S 9.9 G 12 78°F 75°F1012.5 hPa

Wind History for Solomons Island, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Patuxent River, Naval Air Station, MD5 mi1.8 hrsSW 1010.00 miMostly Cloudy76°F68°F77%1013.5 hPa
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD14 mi47 minS 610.00 miOvercast75°F68°F79%1013.1 hPa

Link to 5 minute data for KNHK

Wind History from NHK (wind in knots)
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Last 24hrSE64S5S7S9
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2 days agoE3SE4S5SE5SE6SE6SE3--E6E5E6Calm3E4SE64SE8SE8E9SE9SE9SE8SE10SE8

Tide / Current Tables for Drum Point, Maryland
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Drum Point
Click for Map
Fri -- 01:09 AM EDT     0.58 feet Low Tide
Fri -- 01:32 AM EDT     Moonset
Fri -- 05:44 AM EDT     Sunrise
Fri -- 07:36 AM EDT     1.89 feet High Tide
Fri -- 12:12 PM EDT     Moonrise
Fri -- 02:40 PM EDT     0.45 feet Low Tide
Fri -- 08:21 PM EDT     Sunset
Fri -- 08:26 PM EDT     1.56 feet High Tide
Fri -- 11:30 PM EDT     First Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.60.81.11.41.71.91.91.71.51.20.90.60.50.50.60.81.11.41.51.51.41.1

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

Fri -- 01:32 AM EDT     Moonset
Fri -- 02:27 AM EDT     0.00 knots Slack
Fri -- 04:54 AM EDT     0.44 knots Max Flood
Fri -- 05:45 AM EDT     Sunrise
Fri -- 07:32 AM EDT     -0.00 knots Slack
Fri -- 11:45 AM EDT     -0.85 knots Max Ebb
Fri -- 12:12 PM EDT     Moonrise
Fri -- 04:10 PM EDT     0.00 knots Slack
Fri -- 06:03 PM EDT     0.38 knots Max Flood
Fri -- 08:22 PM EDT     Sunset
Fri -- 08:41 PM EDT     -0.00 knots Slack
Fri -- 11:30 PM EDT     First Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.3-0.10.10.40.40.40.1-0.1-0.4-0.7-0.8-0.8-0.8-0.6-0.3-00.20.40.30.1-0.1-0.3-0.4

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 (21,6,7,8)
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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 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.