Wednesday, April1, 2020
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Marine Weather and Tides
Fishing Creek, 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 6:44AMSunset 7:27PM Wednesday April 1, 2020 4:07 PM EDT (20:07 UTC) Moonrise 11:10AMMoonset 1:29AM Illumination 63% Phase: Waxing Gibbous; Moon at 9 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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ANZ534 Chesapeake Bay From Drum Point To Smith Point- 144 Pm Edt Wed Apr 1 2020
.small craft advisory in effect through late Thursday night...
This afternoon..N winds 15 kt with gusts to 25 kt. Waves 3 ft.
Tonight..NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Thu..NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Thu night..NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Fri..NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
Fri night..N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
Sat..E winds 5 to 10 kt. Waves 1 to 2 ft.
Sun..S winds 5 to 10 kt. Waves 1 to 2 ft.
ANZ500 144 Pm Edt Wed Apr 1 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. Low pressure will move out into the western atlantic today while strengthening. The low will then meander off the coast on Thursday before retreating eastward Friday. Meanwhile, high pressure will slowly build in from the midwest through the end of the week. Small craft advisories may be needed Friday.


7 Day Forecast for Marine Location Near Fishing Creek CDP, MD
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location: 38.27, -76.23     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 011907 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 307 PM EDT Wed Apr 1 2020

SYNOPSIS. Low pressure will meander over the western Atlantic through Thursday. High pressure will move in from the Midwest through the weekend. A couple of fronts may approach early next week.

NEAR TERM /THROUGH THURSDAY/. Low pressure continues to strengthen east of the Outer Banks this afternoon, while a broad upper level low sits overhead. There is enough moisture and lift beneath the upper low for clouds to remain fairly persistent through the remainder of the day. The combination of a vort max evident in water vapor imagery and a little daytime heating will result in weak instability developing this afternoon. This will result in scattered shower development (currently depicted on radar approaching from southwest PA), especially over the western two thirds of the forecast area. While there could be some small hail/graupel due to low freezing levels, am not sure it will be too common since the instability does not extend through the hail/snow growth zones. Winds could be briefly gusty with the showers as well, but not more than 35 mph or so.

The low will pivot northward offshore tonight as the upper level gyre consolidates, while high pressure builds along the Great Lakes and Mississippi Valley. A secondary boundary/pressure surge will cross the area, which will help clear the clouds, but will also cause winds to tick up a bit. In most locations, there will only be a few hours around dawn when winds will have opportunity to become calm. Combined with dry advection, am not confident there is support for anything more than patchy frost, so will hold off on an advisory for now. The most susceptible locations would be the central Shenandoah Valley and Virginia piedmont.

The low will continue to loop back to the northwest on Thursday. Since this will increase the pressure gradient, winds will increase with gusts of 20-30 mph likely. There will be much more sunshine, although some cumulus is possible. Temperatures will be a bit warmer with highs in the mid 50s to lower 60s.

SHORT TERM /THURSDAY NIGHT THROUGH FRIDAY NIGHT/. The overall weather pattern will be slow to change Thursday night and Friday due to the pivoting low pressure gyre off the coast. In addition to winds remaining elevated/gusty (perhaps even at times through the night), some mid/high clouds could try to back into the area by Friday. However, no precipitation is expected. Everything will finally begin to move to the east by Friday night, with surface high pressure pushing east of the Appalachians, helping winds to relax. Temperatures will remain fairly steady state, with lows in the mid 30s to lower 40s and highs in the upper 50s to mid 60s.

LONG TERM /SATURDAY THROUGH TUESDAY/. Dry conditions with near average temperatures are expected Saturday, with highs reaching the low 60s, as a surface ridge axis moves overhead. Expect some clouds around throughout the day as a departing upper trough slides off the coast. Clouds will briefly thin out, before building back in form the west Saturday night into Sunday, with another upper-level disturbance. Not expecting any rain with this, but just increased clouds. Lows on Saturday night reach the low 40s. High pressure slides offshore Sunday, bringing slightly warmer temperatures, and continued dry weather, with highs in the upper 60s to near 70.

As an upper-level shortwave swings by to our north, some showers are possible Sunday evening/night, but chances are fairly low. Temperatures dip into the mid 40s or so.

Surface high pressure builds over the southeast early next week, with a general warming trend continuing through Tuesday, with highs in the low to mid 70s each day. However, in the upper levels, a weak trough riding on the periphery of a building upper ridge could bring some showers to the area again. Keeping POPs near 30% for now, as coverage will likely be spotty.

AVIATION /19Z WEDNESDAY THROUGH MONDAY/. Enough mixing/dry advection has taken place that MVFR ceilings have finally lifted this afternoon. However, expect VFR stratocumulus to persist through this evening with an upper disturbance overhead. Scattered showers are also possible this afternoon and early evening, especially west of I-95. If any impacts were to occur (reduced visibility, gusty winds, small hail/graupel), they would likely be minor and brief. With low probability of a direct impact to a terminal, have covered the showers with a VCSH for now.

Skies will clear out tonight, but SCT to BKN VFR cigs could still occur at times through Friday as low pressure lingers off the coast. Northwest winds will also be gusty, especially during the daylight hours, with gusts up to 25 kt possible.

High pressure overhead this weekend will lead to VFR conditions throughout the long term.

MARINE. Northerly winds are slackening some this afternoon as low pressure pulls away. While there will be a brief lull this evening, a pressure surge will arrive late this evening and overnight, so have made some fairly substantial changes to the Small Craft Advisories. As low pressure off the coast strengthens and turns back toward the coast while high pressure builds in to the west, so SCA conditions are expected for all waters on Thursday. Winds may diminish somewhat Thursday night on the sheltered waters, but should remain elevated on the Bay, so the SCA has been extended through this time. Gusty winds will likely continue through the day on Friday before diminishing Friday night as the low finally pulls away.

High pressure overhead will lead to light winds on Saturday and Sunday, with no marine hazards expected.

TIDES/COASTAL FLOODING. Water levels are dropping a bit this afternoon as northerly flow has some influence. However, offshore low pressure is acting to keep high anomalies locked into the Bay, greater with southward extent. Have thus gone ahead and issued an advisory for this evening's high tide in St. Marys County. If winds lighten a bit, some of the higher water to the south could surge back north and cause many more locations to hit minor flood. However, it will be close and did not have the confidence to issue additional advisories. As the low moves away and winds take a northwesterly component, excess water should be able to drain Thursday and Friday.

LWX WATCHES/WARNINGS/ADVISORIES. DC . Coastal Flood Advisory until 5 PM EDT this afternoon for DCZ001. MD . Coastal Flood Advisory until 4 PM EDT this afternoon for MDZ014. Coastal Flood Advisory from 6 PM this evening to midnight EDT tonight for MDZ017. VA . None. WV . None. MARINE . Small Craft Advisory from 11 PM this evening to 6 AM EDT Friday for ANZ530>533-538>542. Small Craft Advisory until 3 PM EDT this afternoon for ANZ532- 533-541-542. Small Craft Advisory until 6 AM EDT Friday for ANZ534-537-543. Small Craft Advisory from 10 AM to 8 PM EDT Thursday for ANZ535-536.

SYNOPSIS . ADS NEAR TERM . ADS SHORT TERM . ADS LONG TERM . CJL AVIATION . ADS/CJL MARINE . ADS/CJL TIDES/COASTAL FLOODING . ADS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BISM2 - 8571421 - Bishops Head, MD 11 mi49 min NNW 9.9 G 19 52°F 53°F1008.2 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 12 mi73 min NNW 12 G 16 1009.5 hPa
SLIM2 - 8577330 - Solomons Island, MD 12 mi49 min NNW 12 G 17 50°F 53°F1008.8 hPa
44042 - Potomac, MD 17 mi31 min NNW 27 G 33 49°F 1009 hPa
PPTM2 - 8578240 - Piney Point, MD 19 mi49 min N 18 G 21
44062 - Gooses Reef, MD 22 mi31 min NNW 7.8 G 9.7 49°F
CA2 - 8571892 - Cambridge, MD 23 mi49 min WNW 15 G 21 51°F 54°F1008.3 hPa
LWTV2 - 8635750 - Lewisetta, VA 23 mi49 min NNW 15 G 20 51°F 53°F1009.2 hPa
BSLM2 - Chesapeake Bay, MD 43 mi157 min N 6 1009 hPa
NCDV2 43 mi61 min N 4.1 G 9.9 51°F 56°F1008.9 hPa
TPLM2 - Thomas Point, MD 45 mi67 min NW 9.9 G 12 49°F 51°F1009.9 hPa (-0.9)33°F
44058 - Stingray Point, VA 49 mi37 min N 19 G 21 53°F1012.4 hPa

Wind History for Bishops Head, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Patuxent River, Naval Air Station, MD9 mi15 minNW 1010.00 miMostly Cloudy53°F37°F55%1009 hPa
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD14 mi14 minNNW 710.00 miMostly Cloudy55°F35°F47%1008.7 hPa
Cambridge-Dorchester Airport, MD21 mi22 minNW 14 G 2010.00 miOvercast52°F32°F47%1008.5 hPa

Link to 5 minute data for KNHK

Wind History from NHK (wind in knots)
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Last 24hrE15E15N3----E18----------------NE17--N17
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N10NE10NE10NE7NE5E4NE5CalmCalmCalm--NW4NE4--NE7------SE14
2 days agoSE9SE8SE7SE4S4CalmN10N7CalmNW6N8N8NE8NE6E4E3SE3SW5SW8SW9SW9
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Tide / Current Tables for Hooper Island Light, Chesapeake Bay, Maryland
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Hooper Island Light
Click for Map
Wed -- 01:23 AM EDT     0.28 feet Low Tide
Wed -- 02:28 AM EDT     Moonset
Wed -- 06:21 AM EDT     First Quarter
Wed -- 06:49 AM EDT     Sunrise
Wed -- 08:12 AM EDT     1.93 feet High Tide
Wed -- 12:10 PM EDT     Moonrise
Wed -- 03:36 PM EDT     0.49 feet Low Tide
Wed -- 07:28 PM EDT     Sunset
Wed -- 08:47 PM EDT     1.29 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.30.30.50.71.11.51.81.91.91.71.41.10.90.60.50.50.60.81.11.21.31.20.9

Tide / Current Tables for Cove Point (1.1 mi. NE of), Maryland Current
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Cove Point (1.1 mi. NE of)
Click for Map
Wed -- 12:01 AM EDT     -0.00 knots Slack
Wed -- 02:29 AM EDT     Moonset
Wed -- 03:27 AM EDT     -0.25 knots Max Ebb
Wed -- 05:53 AM EDT     0.00 knots Slack
Wed -- 06:21 AM EDT     First Quarter
Wed -- 06:49 AM EDT     Sunrise
Wed -- 09:28 AM EDT     0.60 knots Max Flood
Wed -- 12:10 PM EDT     Moonrise
Wed -- 01:15 PM EDT     -0.00 knots Slack
Wed -- 04:56 PM EDT     -0.54 knots Max Ebb
Wed -- 07:29 PM EDT     Sunset
Wed -- 08:23 PM EDT     0.00 knots Slack
Wed -- 10:29 PM EDT     0.22 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.1-0.2-0.2-0.2-0.200.30.50.60.60.50.30.1-0.2-0.4-0.5-0.5-0.5-0.3-0.10.10.20.2

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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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.