Friday, April20, 2018 L-36.com


Marine Weather and Tides
Brooklyn Park, MD

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:19AMSunset 7:50PM Friday April 20, 2018 4:31 PM EDT (20:31 UTC) Moonrise 9:02AMMoonset 11:56PM Illumination 29% Phase: Waxing Crescent; Moon at 5 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
    EDIT      (on/off)   Help
ANZ538 Patapsco River Including Baltimore Harbor- 238 Pm Edt Fri Apr 20 2018
.small craft advisory in effect until 8 pm edt this evening...
This afternoon..NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Tonight..N winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 ft.
Sat..NW winds 5 kt. Waves flat.
Sat night..N winds around 5 kt. Waves flat.
Sun..S winds around 5 kt. Waves flat.
Sun night..SE winds around 5 kt. Waves flat.
Mon..E winds around 5 kt. Waves 1 ft or less.
Tue..E winds 5 to 10 kt. Waves 1 ft. Rain.
ANZ500 238 Pm Edt Fri Apr 20 2018
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will build eastward from the upper midwest through the weekend, moving off the new england coast early next week. An area of low pressure over the deep south will approach the region mid week. Small craft advisories may be needed Monday into Tuesday.

7 Day Forecast for Marine Location Near Brooklyn Park, MD
   Hourly   EDIT   Help
location: 39.21, -76.58     debug


Area Discussion for - Baltimore, MD/Washington
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus61 klwx 201845
afdlwx
area forecast discussion
national weather service baltimore md washington dc
245 pm edt Fri apr 20 2018

Synopsis
Strong high pressure will slowly migrate eastward into the
northeastern states by Sunday, and off the coast on Monday.

Unsettled weather is expected to return by the middle of next
week as low pressure approaches the area from the southeast u.S.

Near term through tonight
Temperatures are in the low to mid 50s as of early this
afternoon as a strong high pressure slowly shifts eastward
towards the great lakes region. Winds are gusting from the
northwest between 20 and 30 mph and are expected to remain
breezy through this evening before subsiding.

Below normal temperatures are expected tonight with lows in the
30s. Went with cooler guidance as clear skies and light winds
are expected for most areas (except a persistent light breeze
over central md dc metro). A freeze warning has been issued for
much of the same area as last night.

Short term Saturday through Sunday night
Benign weather conditions are expected this weekend as high
pressure slowly shifts eastward from the great lakes into the
northeastern u.S. Light winds and below normal temperatures are
expected as a result. Mid to high level clouds will move
overhead Saturday afternoon and may persist into Sunday as a
jet MAX and mid level energy moves across our area. High
temperatures will be in the 60s with lows in the 30s and 40s,
though it should be warm enough to preclude frost freeze issues
in areas where the growing season has started.

Long term Monday through Thursday
High pressure will shift offshore on Monday as a mid-level cutoff
trough and associated surface low move across portions of the
southeast. Conditions should remain mainly dry, with slightly
below normal temperatures.

On Tuesday, the aforementioned area of low pressure will slowly
track north toward our cwa. The latest deterministic guidance has
trended slightly slower with the northward progression of this area
of low pressure, suggesting it's possible that we remain dry much of
the day Tuesday as well. On the other hand, both the GEFS and
eps have many ensemble members that move the system along
faster, bringing precipitation in during the day Tuesday.

It appears as though the most likely time period for steadier
rainfall across the area will be Tuesday night, when both
deterministic and ensemble model guidance point toward a cool,
soaking rainfall across the region.

Forecast confidence decreases considerably for Wednesday and
Thursday, but the potential for active weather remains.

Aviation 19z Friday through Wednesday
Vfr expected through the weekend with light winds as high
pressure passes to the north of the terminals.

Vfr conditions are expected during the day on Monday. MVFR
conditions likely begin to develop Mon night as easterly flow
ensues. Flight restrictions are likely Tuesday and Wednesday as
an area of low pressure approaches from the south bringing rain.

Winds will increase out of the east during this time as well.

Marine
Gusts should subside quickly early this evening, but a subtle
pressure surge on the east side of ridging building to the north
likely result in marginal SCA conditions in northerly channeling
over the maryland portion of the chesapeake bay after midnight
until around daybreak Saturday. As high pressure builds further
to our north, light winds are expected over the weekend.

Sub SCA conditions are forecast Monday as a departing ridge of
high pressure will keep winds light over the waters. Sca
headlines may be needed Monday night through Tuesday as easterly
flow strengthens thanks to low pressure developing approaching
from the southeast u.S.

Tides coastal flooding
Persistent onshore flow is expected to result in increased tidal
anomalies and possible coastal flooding during the middle part
of next week.

Lwx watches warnings advisories
Dc... None.

Md... Freeze warning from 2 am to 9 am edt Saturday for mdz003>006-
503-505-507-508.

Va... Freeze warning from 2 am to 9 am edt Saturday for vaz025>031-
038>040-051-501-502-505>508.

Wv... Freeze warning from 2 am to 9 am edt Saturday for wvz051>053.

Marine... Small craft advisory until 8 pm edt this evening for
anz530>543.

Small craft advisory from midnight tonight to 6 am edt
Saturday for anz531>534-543.

Synopsis... Imr dhof
near term... Imr dhof
short term... Imr dhof
long term... Kjp
aviation... Imr dhof kjp
marine... Imr dhof kjp
tides coastal flooding... Dhof


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FSNM2 3 mi43 min NW 19 G 23 53°F 1023.9 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 3 mi43 min NW 17 G 20 53°F 1024.2 hPa
BLTM2 - 8574680 - Baltimore, MD 4 mi43 min N 14 G 18 55°F 51°F1024.1 hPa
APAM2 - 8575512 - Annapolis, MD 17 mi43 min 54°F 1024 hPa
TCBM2 - 8573364 - Tolchester Beach, MD 18 mi43 min NNW 6 G 8.9 52°F 49°F1024.8 hPa
CPVM2 18 mi43 min 54°F 26°F
TPLM2 - Thomas Point, MD 23 mi31 min NW 8 G 8.9 53°F 51°F1025.5 hPa (-1.1)27°F
BSLM2 - Chesapeake Bay, MD 30 mi121 min N 8.9 55°F 1025 hPa28°F
WASD2 - 8594900 - Washington, DC 33 mi43 min WNW 13 G 19 58°F 53°F1025 hPa
CHCM2 - 8573927 - Chesapeake City, MD 46 mi49 min W 13 G 18 51°F 51°F1024.5 hPa
44062 - Gooses Reef, MD 46 mi31 min S 1.9 G 3.9 51°F 1025.6 hPa (-0.9)

Wind History for Francis Scott Key Bridge NE Tower, MD
(wind in knots)    EDIT      (on/off)   Help
5
PM
6
PM
7
PM
8
PM
9
PM
-12
PM
11
PM
12
AM
-12
PM
2
AM
3
AM
4
AM
5
AM
6
AM
-12
PM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
Last
24hr
NW32
NW32
G39
NW33
NW22
G29
NW17
G30
W9
G12
W10
G13
NW23
NW16
G22
W16
G21
W15
W13
G18
W10
G16
NW21
G26
NW18
G22
NW17
NW11
G15
NW15
NW12
G18
NW12
G16
NW12
G17
1 day
ago
SE10
SE11
SE3
E4
E9
NE8
N15
N19
NE13
W7
NW25
G36
NW36
NW30
2 days
ago
W24
G29
W21
G26
W14
G18
W15
G22
NW25
W20
G29
W12
G17
W11
G15
W11
G14
W7
G12
W6
G10
SW12
W13
G17
W10
G15
W9
G13
NW10
G15
NW12
W11
W11
G14
SW7
G11
SE10
G13

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Baltimore, Inner Harbor, MD5 mi37 minno data mi58°F25°F28%1024.6 hPa
Baltimore, Baltimore-Washington International Airport, MD5 mi37 minWNW 17 G 2210.00 miA Few Clouds57°F27°F32%1024.3 hPa
Baltimore / Martin, MD12 mi46 minW 12 G 1910.00 miA Few Clouds57°F30°F36%1025.1 hPa
Fort Meade / Tipton, MD13 mi55 minNW 12 G 2110.00 miFair57°F28°F33%1025.4 hPa
Annapolis, United States Naval Academy, MD17 mi37 minNW 9 G 1910.00 miFair57°F32°F39%1024.5 hPa
Bay Bridge Field, MD21 mi56 minN 11 G 167.00 miFair55°F32°F41%1024.7 hPa
College Park Airport, MD24 mi54 minNW 9 G 1410.00 miFair57°F25°F30%1024.7 hPa

Wind History from DMH (wind in knots)
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
Last 24hr------------------------------------------------
1 day ago------------------------------------------------
2 days ago------------------------------------------------

Tide / Current Tables for Hawkins Point, Patapsco River, Maryland
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Hawkins Point
Click for Map
Fri -- 04:15 AM EDT     0.18 feet Low Tide
Fri -- 06:22 AM EDT     Sunrise
Fri -- 10:02 AM EDT     Moonrise
Fri -- 10:42 AM EDT     1.86 feet High Tide
Fri -- 06:15 PM EDT     0.26 feet Low Tide
Fri -- 07:48 PM EDT     Sunset
Fri -- 11:17 PM EDT     1.17 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
10.70.50.30.20.20.40.81.21.61.81.91.71.41.10.80.60.40.30.30.50.811.2

Tide / Current Tables for Baltimore Harbor Approach, Maryland Current
   EDIT      (on/off)   Help   One Week of Data
Baltimore Harbor Approach
Click for Map
Fri -- 02:45 AM EDT     -0.61 knots Max Ebb
Fri -- 05:25 AM EDT     0.00 knots Slack
Fri -- 06:21 AM EDT     Sunrise
Fri -- 09:08 AM EDT     1.08 knots Max Flood
Fri -- 10:01 AM EDT     Moonrise
Fri -- 12:38 PM EDT     -0.00 knots Slack
Fri -- 03:57 PM EDT     -0.98 knots Max Ebb
Fri -- 07:40 PM EDT     0.00 knots Slack
Fri -- 07:47 PM EDT     Sunset
Fri -- 10:07 PM EDT     0.48 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.1-0.4-0.6-0.6-0.5-0.20.20.60.91.110.70.3-0.2-0.6-0.9-1-0.9-0.6-0.20.10.40.50.4

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_A
GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Baltimore, MD/Washington (16,3,4,5)
      (on/off)   Help

Ground Weather Radar Station Dover AFB, DE
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.