Tuesday, January21, 2020
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Marine Weather and Tides
California, 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 7:19AMSunset 5:18PM Tuesday January 21, 2020 4:28 PM EST (21:28 UTC) Moonrise 4:32AMMoonset 2:25PM Illumination 11% Phase: Waning Crescent; Moon at 26 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- 339 Pm Est Tue Jan 21 2020
Rest of this afternoon..N winds 10 kt. Waves 1 ft.
Tonight..N winds 5 to 10 kt. Waves 1 ft.
Wed..N winds 5 to 10 kt. Waves 1 ft.
Wed night..NE winds around 5 kt. Waves 1 ft.
Thu..NE winds 5 kt. Waves less than 1 ft.
Thu night..NE winds around 5 kt. Waves 1 ft.
Fri..E winds 5 to 10 kt. Waves 1 ft. Rain through the night.
Sat..W winds 5 to 10 kt. Waves 1 ft. Rain through the day.
ANZ500 339 Pm Est Tue Jan 21 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will build eastward from the mississippi valley through Wednesday, then move offshore during the second half of the week. A low pressure system will approach on Saturday.


7 Day Forecast for Marine Location Near California CDP, MD
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location: 38.33, -76.51     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 211901 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 254 PM EST Tue Jan 21 2020

SYNOPSIS. High Pressure will continue to move eastward from the Mississippi Valley, resulting in dry weather through Thursday. The high will slowly shift offshore during the second half of the week. Low pressure will approach from the central United States on Saturday.

NEAR TERM /THROUGH TONIGHT/. Strong high pressure located over the mid Mississippi Valley continues to move eastward through Wednesday; delivering dry weather to the region. Temperatures across our area currently running in the low-mid 30's. Current satellite imagery shows clear skies across the entire CWA, which is expected as subsidence continues to be the dominating synoptic feature. Clear skies and light winds overnight tonight will lead to excellent radiational cooling conditions. Temperatures will drop to the low- mid teens for most, with upper teens to low 20s for the metros.

SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/. The upper level ridge axis will continue to build into the region as high pressure sits overhead. Quiet weather persists tomorrow with temperatures, running slightly warmer than today, with highs in the upper 30s to low 40s. Both the upper level ridge and associated high will continue to slowly move offshore through Thursday, allowing temperatures to moderate some during this time. Daytime highs on Thursday will range in the mid-upper 40s. Mid/high clouds will be increasing Thursday and Thursday night ahead of a trough in the nation's midsection, allowing moisture to be advected into the region from the south. Combined with rising dew points, Thursday night lows will be a bit warmer in the upper 20s to lower 30s.

LONG TERM /FRIDAY THROUGH TUESDAY/. A low pressure system will develop and deepen over the central U.S. Friday. As the low moves to the northeast, rain chances will overspread the region from southwest to northeast into Friday night. A coastal low will develop Saturday into Saturday night. Rain or snow is possible. The best chance for wintry weather will be west of the Blue Ridge. As the low deepens offshore Sunday, rain and/or snow showers will be possible to linger Sunday night into early Monday. Upslope snow is expected Monday afternoon through Tuesday.

AVIATION /19Z TUESDAY THROUGH SUNDAY/. VFR conditions will continue through Thursday night as high pressure moves over our area. Northerly winds will be less than 10 kt tonight. Light and variable winds are expected across the terminals tomorrow through Thursday night as high pressure remains in control.

VFR conditions continue for the majority of Friday. MVFR to IFR conditions possible Friday night and Saturday as precipitation develops. VFR conditions are expected to return by Saturday night. Winds northeast becoming east 5 to 10 knots Friday and Friday night. Winds backing to the northwest 5 to 10 knots Saturday and Saturday night.

MARINE. Small Craft Advisory continues for Tangier Sound and the inland waters surrounding Bloodsworth Island and Tidal Potomac from Cobb Island MD to Smith Point VA. Wind gusts are beginning to relax some, noting wind gusts up to 20 knots for the lower Bay. If this trend continues, may be able to drop SCA early this evening, which seems logical given the wind field as the high moves overhead. Calm conditions continue through Thursday night with high pressure in control.

No marine hazards expected Friday. Small craft advisories possible Friday night and Saturday. No marine hazards Saturday night. Winds northeast 10 knots Friday, becoming north then northwest 10 to 20 knots Friday night and Saturday. Winds northwest 10 knots Saturday night.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory until 1 AM EST Wednesday for ANZ534-537- 543.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SLIM2 - 8577330 - Solomons Island, MD 3 mi59 min N 8.9 G 12 33°F 43°F1030.6 hPa
PPTM2 - 8578240 - Piney Point, MD 14 mi59 min N 12 G 16
LWTV2 - 8635750 - Lewisetta, VA 23 mi65 min NNW 8.9 G 12 34°F 37°F1030.8 hPa
44042 - Potomac, MD 23 mi35 min N 16 G 16 33°F 43°F1030.9 hPa
BISM2 - 8571421 - Bishops Head, MD 26 mi65 min N 8 G 17 33°F 36°F1030.8 hPa
NCDV2 28 mi65 min N 7 G 12 35°F 41°F1030.4 hPa
CA2 - 8571892 - Cambridge, MD 29 mi65 min NW 13 G 17 33°F 39°F1030.6 hPa
BSLM2 - Chesapeake Bay, MD 33 mi119 min NNW 6 -21°F 1030 hPa
TPLM2 - Thomas Point, MD 40 mi29 min NW 9.9 G 11 34°F 40°F1031.7 hPa (-0.8)14°F
APAM2 - 8575512 - Annapolis, MD 45 mi59 min 35°F 1030.4 hPa
CPVM2 46 mi59 min 35°F
WASD2 - 8594900 - Washington, DC 46 mi59 min NNW 8.9 G 13 36°F 41°F1031.5 hPa

Wind History for Solomons Island, MD
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St Marys County Airport, MD2 mi42 minWNW 3 miFair34°F10°F38%1031.2 hPa
Patuxent River, Naval Air Station, MD6 mi97 minN 1110.00 miFair35°F18°F50%1030.7 hPa
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD14 mi36 minVar 610.00 miFair38°F15°F39%1030.5 hPa

Link to 5 minute data for KNHK

Wind History from NHK (wind in knots)
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Last 24hrN12N12N13NW12N9NW11NW12NW13NW11N11NW12N11NW12NW10NW10N13N14N17
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1 day agoNW19
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2 days agoS4SW4--SW15
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NW6W6W5--NW20NW15NW16NW18NW19NW22
G27

Tide / Current Tables for Solomons Island, Patuxent River, Maryland
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Solomons Island
Click for Map
Tue -- 04:31 AM EST     Moonrise
Tue -- 05:06 AM EST     -0.39 feet Low Tide
Tue -- 07:18 AM EST     Sunrise
Tue -- 11:37 AM EST     1.02 feet High Tide
Tue -- 02:25 PM EST     Moonset
Tue -- 05:15 PM EST     Sunset
Tue -- 05:57 PM EST     -0.13 feet Low Tide
Tue -- 11:42 PM EST     0.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

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0.70.50.2-0-0.3-0.4-0.3-0.10.30.60.8110.90.70.40.2-0.1-0.1-00.20.40.60.8

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

Tue -- 01:42 AM EST     -0.66 knots Max Ebb
Tue -- 04:32 AM EST     Moonrise
Tue -- 05:20 AM EST     0.00 knots Slack
Tue -- 07:19 AM EST     Sunrise
Tue -- 08:07 AM EST     0.73 knots Max Flood
Tue -- 11:11 AM EST     -0.00 knots Slack
Tue -- 02:25 PM EST     Moonset
Tue -- 03:14 PM EST     -1.02 knots Max Ebb
Tue -- 05:15 PM EST     Sunset
Tue -- 07:56 PM EST     0.00 knots Slack
Tue -- 09:04 PM EST     0.24 knots Max Flood
Tue -- 10:50 PM EST     -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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-0.5-0.6-0.7-0.6-0.4-0.10.20.60.70.70.40.1-0.3-0.7-0.9-1-1-0.8-0.6-0.300.20.2-0

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.
Link to Loop



Other links: Northern Pacific     Contential US     Full GOES-East
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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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.