Friday, April26, 2019 L-36.com


Marine Weather and Tides
Oxford, MD

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:11AMSunset 7:52PM Friday April 26, 2019 4:35 AM EDT (08:35 UTC) Moonrise 1:04AMMoonset 11:00AM Illumination 57% Phase: Waning Gibbous; Moon at 22 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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ANZ541 Choptank River To Cambridge Md And The Little Choptank River- 137 Am Edt Fri Apr 26 2019
.small craft advisory in effect from 9 am edt this morning through late tonight...
Overnight..SE winds 5 kt. Waves less than 1 ft. A chance of showers.
Fri..S winds 10 to 15 kt with gusts to 30 kt. Waves 2 ft. Widespread showers. Vsby 1 nm or less.
Fri night..W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A chance of showers.
Sat..W winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
Sat night..W winds 10 to 15 kt with gusts to 20 kt... Becoming ne around 5 kt after midnight. Waves 1 to 2 ft.
Sun..SW winds 10 to 15 kt. Gusts up to 25 kt. Waves 2 ft.
Sun night..N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Mon..SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers through the night.
Tue..SE winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning. A chance of showers through the night.
ANZ500 137 Am Edt Fri Apr 26 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A warm front will move north over the waters later this morning. A cold front will cross from west to east this afternoon and evening. A weak ridge of high pressure will move overhead late Saturday followed by another low pressure system on Sunday. Small craft advisories will be required Saturday, with gale warnings possible. Small craft advisories may be necessary again Sunday and Sunday night.


7 Day Forecast for Marine Location Near Oxford, MD
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location: 38.68, -76.17     debug


Area Discussion for - Baltimore, MD/Washington
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Fxus61 klwx 260802
afdlwx
area forecast discussion
national weather service baltimore md washington dc
402 am edt Fri apr 26 2019

Synopsis Low pressure will track from the ohio valley to the
eastern great lakes Friday, pulling a cold front across the
area late this afternoon. Another storm system could approach
the region Sunday. High pressure builds over the region Sunday
night into Monday.

Near term through tonight
An upper level trough east of the ms river this morning will
deepen and take on a negative tilt as it closes off over the
eastern great lks Sat morning. Very impressive 12-hr 500 mb
height falls (120-150 meters) are fcst over the area today as
trough axis crosses the area during the next 24 hrs. Will
continue to see waves of rain this morning as low-level jet
continues to increase to over 40kt this morning. Then, a forced
broken or perhaps a solid line of showers and t-storms will
cross the area during the afternoon 18z-21z time frame as cold
front races eastward. Instability is marginal, but moisture and
strong forcing will offset the lack of instability. Damaging
winds will be possible with this line of showers t-storms given
strong wind fields just above the sfc. The severe risk is
greatest east of i-95 and rt 29 where models show the best
destabilization. The tornado threat will be greatest over SRN md
and east of the chesapeake bay where substantial destabilization
is fcst. Cdfnt clears the area in the 21z- 00z time frame with
severe threat ending, but showers and perhaps isold t-storms may
continue until trof axis crosses the area late in the evening.

Then, winds will gust between 35-40 mph due to tightening
pressure gradient with showers ending by 03z.

Short term Saturday through Sunday night
Windy in the morning with gusts in the 35-40 mph with winds
diminishing in the mid afternoon hrs.

Showers return to the area late Sat night ahead of next frontal
system. Moisture will be more limited this time and the best
forcing will remain north over pennsylvania. Sct showers are
expected mainly north of i-66 with showers ending by 18z sun.

Don't see any thunder risk with this system. New SPC day 3
convective outlook doesn't have any thunder areas over us
either.

Long term Monday through Thursday
High pressure to our north on Monday will promote dry conditions and
an east southeast flow, holding temperatures a touch below normal
with the airmass coming in off the ocean. The high will shift
offshore late Monday as a weak area of low pressure tracks to our
north. Not see a huge threat of rain from this low as much of the
limited moisture remains to our north, but will carry low end chance
pops for our northern zones Monday night and into Tuesday.

The associated frontal boundary will sink southward into our region
and residing to our south by late Tuesday, lingering nearby
Wednesday and Thursday. As a result, will maintain chance pops each
period as conditions look to remain unsettled with the boundary
nearby, and weak shortwave energy tracking overhead. Not expecting a
washout by any means, but shower chances will not be null in any
period. Highest chances for rain will come Wednesday night into
Thursday as a bit stronger area of low pressure tracks into the ohio
valley, but again remains mainly to our north. Dependent on how far
north the low tracks will drive the coverage of showers and possible
thunderstorms on Thursday. As another area of low pressure quickly
tracks toward the ohio valley Thursday night, the frontal boundary
will lift northward as a warm front with continued chances of
precipitation as we head into Friday.

Before the front sinks to our south Tuesday, slightly above normal
temperatures in the mid-upper 70s are expected. With plenty of
clouds hanging over the region, near normal high temperatures return
Wednesday and Thursday (low-mid 70s), with above normal temperatures
well into the 50s each night.

Aviation 08z Friday through Tuesday
Isold t-storms are possible this morning, but better risk of
t-storms is expected this afternoon mainly east of the blue
ridge. Gusts to 40 kt possible with the showers t-storms. Severe
threat ends by 00z tonight, but strong post-frontal winds up to
around 30 kt are likely through 18z sat.

High pressure north of the terminals will deliver dry conditions and
a light east southeast flow on Monday. A weak area of low pressure
will pass to the north Monday night into Tuesday, with a few showers
possible, but predominateVFR conditions expected. With a frontal
boundary lingering across the region, showers will be possible
Tuesday night, with periods of subVFR conditions not out of the
question.

Marine
Gale force gusts are expected this afternoon with broken solid
line of showers and t-storms and in the post-frontal environment
tonight. Since no ramp up is allowed within first period, have
issued a gale warning through 18z sat. While winds will diminish
somewhat late tonight, they are expected to strengthen again sat
morning. Smws may also be required this afternoon with the line
of showers t-storms.

A weak pressure gradient will reside over the waters on Monday as
high pressure builds to the north, delivering a light east southeast
flow. This high will shift offshore Monday night as a weak area of
low pressure tracks to the north into Tuesday. A cold front will
sink southward into the area on Tuesday, with marginal sca
conditions possible Tuesday afternoon and evening.

Lwx watches warnings advisories
Dc... None.

Md... None.

Va... None.

Wv... None.

Marine... Gale warning until 2 pm edt Saturday for anz530>543.

Synopsis... Lfr
near term... Lfr
short term... Lfr
long term... Bkf
aviation... Bkf lfr
marine... Bkf lfr


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CA2 - 8571892 - Cambridge, MD 9 mi41 min 58°F 66°F1007.4 hPa
TPLM2 - Thomas Point, MD 21 mi35 min SE 6 G 7 58°F 63°F1008.5 hPa (-2.0)56°F
COVM2 - 8577018 - Cove Point LNG Pier, MD 22 mi41 min SSE 5.1 G 6 59°F 1008 hPa
CPVM2 25 mi41 min 58°F 58°F
APAM2 - 8575512 - Annapolis, MD 27 mi41 min 59°F 1007.1 hPa
SLIM2 - 8577330 - Solomons Island, MD 29 mi41 min SE 4.1 G 5.1 60°F 62°F1006.8 hPa
BISM2 - 8571421 - Bishops Head, MD 33 mi41 min ESE 4.1 G 6 60°F 66°F1007.6 hPa
TCBM2 - 8573364 - Tolchester Beach, MD 37 mi41 min ESE 4.1 G 7 57°F 65°F1007.5 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 42 mi41 min ESE 9.9 G 11 59°F 1007.2 hPa
FSNM2 42 mi41 min ESE 8.9 G 9.9 58°F 1007.3 hPa
PPTM2 - 8578240 - Piney Point, MD 42 mi41 min SSE 6 G 6
BLTM2 - 8574680 - Baltimore, MD 46 mi41 min ESE 6 G 8 59°F 63°F1006.8 hPa
WASD2 - 8594900 - Washington, DC 47 mi41 min ENE 1.9 G 1.9 59°F 65°F1006.8 hPa

Wind History for Cambridge, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Easton / Newman Field, MD10 mi36 minENE 410.00 miFair57°F54°F91%1008.5 hPa
Cambridge-Dorchester Airport, MD12 mi50 minN 010.00 miMostly Cloudy57°F51°F82%1007.8 hPa
Bay Bridge Field, MD22 mi55 minE 610.00 miMostly Cloudy57°F55°F94%1007.1 hPa

Wind History from ESN (wind in knots)
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Last 24hrCalmCalmN4NE3NE5NE3N4NE6NE6NE8E6NE9E8E6NE6E4CalmCalmNE3NE7NE5NE5NE4Calm
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Tide / Current Tables for Oxford, Tred Avon River, Maryland
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Oxford
Click for Map
Fri -- 02:03 AM EDT     Moonrise
Fri -- 03:36 AM EDT     0.54 feet Low Tide
Fri -- 06:13 AM EDT     Sunrise
Fri -- 10:02 AM EDT     1.85 feet High Tide
Fri -- 12:00 PM EDT     Moonset
Fri -- 05:33 PM EDT     0.65 feet Low Tide
Fri -- 06:19 PM EDT     Last Quarter
Fri -- 07:51 PM EDT     Sunset
Fri -- 10:33 PM EDT     1.47 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.90.70.60.60.70.91.21.51.81.81.81.61.41.210.80.70.70.811.31.41.5

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
Fri -- 12:10 AM EDT     -0.00 knots Slack
Fri -- 02:03 AM EDT     Moonrise
Fri -- 03:07 AM EDT     -0.31 knots Max Ebb
Fri -- 05:27 AM EDT     0.00 knots Slack
Fri -- 06:15 AM EDT     Sunrise
Fri -- 08:43 AM EDT     0.56 knots Max Flood
Fri -- 12:02 PM EDT     Moonset
Fri -- 12:18 PM EDT     -0.00 knots Slack
Fri -- 03:57 PM EDT     -0.61 knots Max Ebb
Fri -- 06:19 PM EDT     Last Quarter
Fri -- 07:16 PM EDT     0.00 knots Slack
Fri -- 07:52 PM EDT     Sunset
Fri -- 09:53 PM EDT     0.35 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.1-0.2-0.3-0.3-0.10.10.40.50.60.50.30.1-0.2-0.4-0.5-0.6-0.5-0.3-0.10.20.30.40.3

Weather Map and Satellite Images
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GOES 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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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.