Tuesday, January21, 2020
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L-36.com


Marine Weather and Tides
Smith Island, 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 7:14AMSunset 5:13PM Tuesday January 21, 2020 2:59 PM EST (19:59 UTC) Moonrise 4:29AMMoonset 2:25PM Illumination 12% 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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ANZ630 Chesapeake Bay From Smith Point To Windmill Point Va- 1238 Pm Est Tue Jan 21 2020
.small craft advisory in effect through late tonight...
This afternoon..N winds 15 to 20 kt. Waves 2 to 3 ft.
Tonight..N winds 15 to 20 kt. Waves 2 to 3 ft.
Wed..N winds 10 to 15 kt. Waves 2 to 3 ft.
Wed night..NE winds 5 to 10 kt. Waves 1 to 2 ft.
Thu..N winds 5 to 10 kt. Waves 1 foot.
Thu night..NE winds 5 to 10 kt. Waves 1 foot.
Fri..NE winds 5 to 10 kt. Waves 1 foot.
Fri night..E winds 10 to 15 kt. Waves 1 to 2 ft. Showers.
Sat..SE winds 15 kt, becoming S in the afternoon. Waves around 2 ft. Showers likely, mainly in the morning.
Sat night..W winds 10 to 15 kt. Waves around 2 ft.
ANZ600 1238 Pm Est Tue Jan 21 2020
Synopsis for fenwick island de to currituck beach light nc out 20 nautical miles including virginia portion of the chesapeake bay currituck sound and portions of the james, york, and rappahannock rivers.. Canadian high pressure slowly builds into the region through Wednesday. Low pressure develops well off the southeast coast today into Wednesday. High pressure slides offshore later in the week, as low pressure approaches from the west.


7 Day Forecast for Marine Location Near Smith Island, MD
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location: 37.88, -76.23     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 211952 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 252 PM EST Tue Jan 21 2020

SYNOPSIS. Canadian high pressure moves over the area Wednesday, then slides off the coast by Thursday. Low pressure approaches from the west Friday with the trailing cold front crossing the area early Saturday.

NEAR TERM /THROUGH TONIGHT/. As of 300 PM EST Tuesday .

The SC clouds along the nrn OB will continue to erode as the ocean low sags farther south. Otw, clr and cold as high pressure remains west of the local area. Lows 15-20 across the Piedmont (where winds expected to decouple) to near 30 sern coastal areas where the wind stays up most of the nite.

SHORT TERM /WEDNESDAY THROUGH FRIDAY/. As of 300 PM EST Tuesday .

Sunny and not as cold Wed as the center of the high apprchs from the nw. Highs 40-45. Ridge axis shifts east Wed nite. Winds decouple with lows upr teens nwrn most zones to the lwr 30s sern coastal areas.

Thurs starts off sunny then pt sunny as SCT-BKN aftrn clouds develop. Any shwrs in the ne flow should remain offshore. Highs mid 40s-lwr 50s. Increasing clouds Thurs night ahead of the next systm apprchg form the ssw. Lows upr 20s nw to upr 30s se.

Moisture quickly overspreads the area Fri ahead of low pressure apprchg from the sw. NAM quicker with moving its rain shield east than the GFS/SREF. Thus, will keep the morning dry with shwrs overspreading the area west-east during the aftrn. Will likely see an insitu-wedge developing across the Piedmont where highs will hold in the mid-upr 40s ranging to the mid-upr 50s across the south.

LONG TERM /FRIDAY NIGHT THROUGH MONDAY/. As of 300 PM EST Tuesday .

An upper-level trough will be digging south into the Midwest/Central US Friday-Friday night. The trough will become a closed low and cut off from the main upper-level flow and slowly migrate east. As the closed low pressure aloft moves towards the east coast, it will likely stay northwest of the southern Mid-Atlantic. However, a sfc low will likely develop east of the Appalachian Mountains and track from SW to NE across VA/MD. This will bring an area of rain showers through the region Friday night into Saturday morning. As the sfc low moves north of the area, rain chances will diminish for Saturday afternoon/evening from south to north. However, the upper-level low will still be in the vicinity of the CWA and may give areas across central and northeastern VA and central Delmarva a few rain showers Saturday afternoon/evening. A NW, downslope, flow will begin late Saturday/Sunday and dry the area out as high pressure settles into the region from the west for the early part of next week.

Throughout the Long Term period, temperatures will be near average for late January. Temperatures on Friday night will range from the upper 40s across northeast NC and southeast VA to the upper 30s across central VA and MD Eastern Shore. Temperatures during the day on Saturday will be dependent upon the exact track of the sfc low. Current thinking is that highs will range from the upper 40s in far NW portions of the CWA to near 60F across Hampton Roads and northeast NC. However, most areas will remain in the mid-upper 50s. Low temperatures Saturday night will range from the lower 30s in the piedmont to the upper 30s over southeast VA and northeast NC. Highs Sunday through Tuesday will remain near average with temperatures in the mid 40s to lower 50s. Monday will be the coldest day with all locations expected to stay below 50 degrees. Lows Sunday night through Tuesday night will range from near 30 degrees in the NW counties to the mid-upper 30s over SE counties of the CWA.

AVIATION /20Z TUESDAY THROUGH SUNDAY/. As of 1215 PM EST Tuesday .

VFR conditions expected thru the period as high pressure builds in from the west. SCT-BKN SC arnd 3K FT will continue at ORF/ECG over the next few hrs as these clouds rotate in from the ocean low off the se coast. The gusty nne winds (15-25 KTS) this aftrn slowly diminishes tonite.

OUTLOOK . High pressure slides offshore Friday. Low pressure and an associated cold front impact the region Friday night into Saturday bring a chc of rain and degraded flight conditions.

MARINE. As of 345 AM EST Tuesday .

Early this morning, strong high pressure is centered over Missouri. This is resulting in a northerly flow over the area waters. Winds are 15-20 kts over the bay, southern coastal waters, and Currituck Sound. Winds over the northern coastal waters are 5-15 kts. Waves in the bay are 3-4 ft, and seas are 5-6 ft. SCA for the northern coastal waters and southern James river should be allowed to expire later this morning, however SCA's will remain for the central and southern coastal waters, Currituck Sound, and the bay. Low pressure is expected to develop well off the SE coast on Tuesday, while the previously mentioned high pressure will drift eastward towards the ohio valley. This will result in a N/NE wind direction over the local waters. Wind speeds 15-20 kts with 20-25 kts over the southern coastal waters and Currituck sound. Waves in the bay are likely to remain 3-4 ft. Seas will be 2-4 ft in the northern coastal waters and 5-7 ft in the southern coastal waters.

High pressure builds over the region Wednesday and Thursday. Low pressure and an associated cold front will impact the area waters late Friday into Saturday.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . Small Craft Advisory until 7 AM EST Wednesday for ANZ632-634. Small Craft Advisory until 4 PM EST Wednesday for ANZ633. Small Craft Advisory until 1 AM EST Wednesday for ANZ630-631. Small Craft Advisory until 7 PM EST this evening for ANZ638. Small Craft Advisory until 1 PM EST Wednesday for ANZ654. Small Craft Advisory until 4 PM EST Thursday for ANZ656-658.

SYNOPSIS . MPR NEAR TERM . MPR SHORT TERM . MPR LONG TERM . RMM AVIATION . MPR MARINE . CMF


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44042 - Potomac, MD 12 mi35 min N 18 G 19 32°F 43°F1030.7 hPa
LWTV2 - 8635750 - Lewisetta, VA 15 mi59 min N 8 G 13 33°F 37°F1030.9 hPa (-2.5)
44058 - Stingray Point, VA 22 mi35 min N 16 G 18 43°F1033.8 hPa
PPTM2 - 8578240 - Piney Point, MD 24 mi59 min NNW 13 G 16
BISM2 - 8571421 - Bishops Head, MD 26 mi59 min N 8.9 G 13 33°F 35°F1030.8 hPa (-2.3)
RPLV2 - 8632837 - Rappahannock Light, VA 26 mi59 min N 19 G 22 1030.8 hPa (-2.2)
SLIM2 - 8577330 - Solomons Island, MD 33 mi59 min N 8 G 14 32°F 43°F1030.7 hPa (-2.5)
WAHV2 - 8631044 - Wachapreague, VA 34 mi59 min N 7 G 11 33°F 36°F1029.3 hPa (-2.3)
YRSV2 - Chesapeake Bay,VA 41 mi89 min N 2.9 34°F 1032 hPa17°F
YKRV2 - 8637611 - York River East Rear Range Light, VA 44 mi59 min NNE 13 G 17 33°F 1030.6 hPa (-1.9)
44072 47 mi39 min E 16 G 19 32°F
YKTV2 - 8637689 - Yorktown, VA 47 mi59 min N 9.9 G 14 34°F 45°F1029.8 hPa (-2.2)
CA2 - 8571892 - Cambridge, MD 49 mi59 min NW 12 G 17 31°F 39°F1030.7 hPa (-2.4)

Wind History for Lewisetta, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD21 mi2.1 hrsN 710.00 miFair37°F16°F42%1031 hPa

Link to 5 minute data for KNUI

Wind History from NUI (wind in knots)
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Last 24hrN7N8N5Calm3N75N535NW3334Calm4----N7N7
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1 day agoNW12
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2 days agoS8S6SW7S9SW8SW12
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Tide / Current Tables for Smith Point Light, Chesapeake Bay, Virginia
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Smith Point Light
Click for Map
Tue -- 03:16 AM EST     -0.14 feet Low Tide
Tue -- 04:29 AM EST     Moonrise
Tue -- 07:16 AM EST     Sunrise
Tue -- 09:53 AM EST     1.29 feet High Tide
Tue -- 02:25 PM EST     Moonset
Tue -- 04:22 PM EST     -0.08 feet Low Tide
Tue -- 05:15 PM EST     Sunset
Tue -- 10:10 PM EST     0.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.2-0-0.1-0.10.10.40.711.21.31.210.70.30.1-0.1-00.10.40.70.910.9

Tide / Current Tables for Great Wicomico River Light, Chesapeake Bay, Virginia
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Great Wicomico River Light
Click for Map
Tue -- 02:52 AM EST     -0.13 feet Low Tide
Tue -- 04:29 AM EST     Moonrise
Tue -- 07:17 AM EST     Sunrise
Tue -- 09:22 AM EST     1.13 feet High Tide
Tue -- 02:25 PM EST     Moonset
Tue -- 03:58 PM EST     -0.07 feet Low Tide
Tue -- 05:15 PM EST     Sunset
Tue -- 09:39 PM EST     0.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.1-0.1-0.1-00.20.50.811.11.110.70.40.2-0-0.100.20.50.70.80.90.8

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Wakefield, VA (14,3,4,5)
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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.