Tuesday, July14, 2020
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Marine Weather and Tides
Poquoson, VA

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 5:55AMSunset 8:26PM Tuesday July 14, 2020 11:39 AM EDT (15:39 UTC) Moonrise 12:27AMMoonset 1:55PM Illumination 32% Phase: Waning Crescent; Moon at 24 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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ANZ632 Chesapeake Bay From New Point Comfort To Little Creek Va- 951 Am Edt Tue Jul 14 2020
Rest of today..N winds 5 kt, becoming ne this afternoon. Waves 1 foot. A slight chance of showers late this morning, then a slight chance of showers and tstms early this afternoon.
Tonight..SE winds 5 to 10 kt, becoming S late. Waves 1 foot.
Wed..SE winds 5 kt, becoming ne late in the morning, then becoming E in the afternoon. Waves 1 to 2 ft.
Wed night..SE winds 5 to 10 kt. Waves 1 to 2 ft.
Thu..SE winds 5 to 10 kt, increasing to 10 to 15 kt late. Waves 1 to 2 ft.
Thu night..SE winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Waves 1 to 2 ft.
Fri..S winds 5 to 10 kt. Waves 1 to 2 ft.
Fri night..S winds 10 to 15 kt, becoming sw 5 to 10 kt after midnight. Waves 1 to 2 ft. A chance of showers and tstms.
Sat..S winds 5 to 10 kt. Waves 1 foot. A chance of showers and tstms.
Sat night..SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and tstms. Winds and waves higher in and near tstms.
ANZ600 951 Am Edt Tue Jul 14 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.. High pressure will be with us through Wednesday before sliding offshore late in the week.


7 Day Forecast for Marine Location Near Poquoson city, VA
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location: 37.2, -76.37     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 141436 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 1036 AM EDT Tue Jul 14 2020

SYNOPSIS. A weak cold front slides farther off the Mid Atlantic coast this afternoon. High pressure then builds into the region through the middle of the week, and then slides offshore later in the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. As of 1035 AM EDT Tuesday .

Late this morning, an upper trough was located just off the Mid Atlc coast. At the surface, a weak cold front was also just off the coast. Temps were in the lower to mid 80s, with NNE winds over the area. For this aftn, sea-breeze circulations will become more dominant, and become the focal point for isolated to sctd aftn showers/tstms, with high-res data showing the best chc over interior SE VA/NE NC. 850mb temperatures drop to 14-16C, which will support highs in the upper 80s to around 90, with mid 80s at the immediate coast.

SHORT TERM /6 PM THIS EVENING THROUGH THURSDAY/. As of 355 AM EDT Tuesday .

High pressure builds into the region tonight, and then becomes centered over New England Wednesday into Thursday. This will result in onshore flow Wednesday, and then more SE by Thursday as the high nudges offshore. Upper heights build across the region Wednesday/Thursday as a ridge builds in aloft from the W. Thus there is not much of a trigger for aftn/early evening showers/tstms, so PoPs are largely 20% or less, with the exception of the NW Piedmont where PoPs are up to 30% Thursday aftn as some showers/tstms could drift off the mountains as some shortwave energy slides across the nrn periphery of the ridge. 850mb temperatures Wednesday and Thursday are generally in the 15-17C range supporting seasonable highs in the upper 80s/low 90s (mid 80s at the coast with onshore flow). Dewpoints Wednesday/Thursday aftn range from the mid to upper 60s, so heat indices will be near or slightly above the ambient temperature. Overall, quite typical for mid July. Forecast lows are primarily in the mid 60s to low 70s.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/. As of 400 PM EDT Monday .

Expansive upper ridge across the southern CONUS will persist into the medium range forecast period with continued hot and humid conditions and mainly afternoon/evening thunderstorm chances.

Thursday night will be dry for most locations with some chance for showers lingering across the north through mid to late evening. Will keep shower and storm chances aob 25% Thursday night through early Friday afternoon. Southerly flow around surface high pressure offshore will keep moisture levels and temperatures elevated through the weekend. Quite warm on Friday with highs in the low to mid 90s and dewpoints in the low to mid 70s, resulting in afternoon heat indices 100-105 degrees. Greatest thunderstorm chances will be along and west of I-95. The upper ridge breaks down somewhat over the eastern CONUS Saturday into Sunday with passing shortwave energy leading to lee troughing and 30-50% PoPs each day. Highs remain in the low to mid 90s with overnight lows in the 70s. Ensemble guidance shows the upper ridge building back into the region to start next week with continued hot and humid conditions.

AVIATION /15Z TUESDAY THROUGH SATURDAY/. As of 655 AM EDT Tuesday .

A weak cold front will slide through the region this morning. The wind will shift to N behind the front, and then NE by this aftn. There is a potential for isolated to scattered showers/tstms this aftn as the wind shifts to NE and some localized low-level convergence develops over SE VA/NE NC. Any showers/tstms have the potential to briefly lower vsby and cigs. Weak high pressure builds into the region tonight. There is a potential for patchy fog later tonight, mainly across SE VA/NE NC.

The chc for aftn/early evening showers/tstms is generally 20% or less Wednesday and Thursday, 20-30% by Friday, and 30-50% Saturday. VFR conditions are expected to prevail outside of showers/tstms.

MARINE. As of 230 AM EDT Tuesday .

Sfc high pressure will reside over the OH Valley and eastern Great Lakes region today. Light SSW winds early this morning will become NNW 10 kt or less by or before 12z, then ENE at similar speeds for the rest of today. Generally light onshore flow is expected to continue through Wednesday, before a slight uptick in east winds for Thursday (10-15 kt) which become SSE at similar speeds on Friday. SSW winds aob 15 kt expected this coming weekend. Waves on the Ches Bay will remain 1-2 ft through the period; seas 2-3 ft.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . None.

SYNOPSIS . TMG NEAR TERM . TMG SHORT TERM . AJZ/TMG LONG TERM . RHR AVIATION . AJZ MARINE . JDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YKTV2 - 8637689 - Yorktown, VA 6 mi100 min 83°F
44072 6 mi40 min SSE 1.9 G 3.9 81°F 84°F1 ft
44087 17 mi44 min 84°F1 ft
SWPV2 - 8638610 - Sewells Point, VA 18 mi100 min 82°F
KPTV2 - 8632200 - Kiptopeke, VA 20 mi100 min 83°F
YRSV2 - Chesapeake Bay,VA 23 mi70 min N 1 83°F 1016 hPa73°F
44058 - Stingray Point, VA 26 mi34 min NNE 5.8 G 7.8 84°F1019.5 hPa
MNPV2 - 8639348 - Money Point, VA 29 mi100 min 83°F
44099 - Cape Henry, VA (147) 40 mi74 min 81°F2 ft
WAHV2 - 8631044 - Wachapreague, VA 46 mi100 min 84°F

Wind History for York River East Rear Range Light, VA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newport News, Newport News / Williamsburg International Airport, VA8 mi1.8 hrsN 010.00 miFair86°F72°F63%1015.1 hPa
Langley Air Force Base, VA8 mi1.7 hrsNNE 49.00 miA Few Clouds84°F76°F79%1015.8 hPa
Fort Eustis / Felker, VA14 mi2.7 hrsN 010.00 miFair80°F74°F83%1014.5 hPa
Norfolk, Naval Air Station, VA19 mi1.7 hrsNW 810.00 miFair85°F73°F68%1015.5 hPa
Norfolk, Norfolk International Airport, VA23 mi49 minNE 610.00 miFair86°F73°F65%1015.1 hPa

Link to 5 minute data for KLFI

Wind History from LFI (wind in knots)
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Last 24hrNW3N7NE7NE8NE9NE9E7E7SE5SE6S5S5S5CalmCalmCalmS5SW4W3S4SW3--N4NE8
1 day agoNE7NE8NE8NE11NE9E8E8E3SE4SE5S3SW4SW5S8SW7SW8W7SW9W3SW3NW5W17N6N4
2 days agoSW7
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W15W12SW10W6W6SW5SW4SW6SW6SW8SW5W4W3SW3CalmCalmNE3NE4NE7

Tide / Current Tables for York Point, Poquoson River, Chesapeake Bay, Virginia
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York Point
Click for Map
Tue -- 01:26 AM EDT     Moonrise
Tue -- 04:23 AM EDT     2.00 feet High Tide
Tue -- 05:57 AM EDT     Sunrise
Tue -- 10:38 AM EDT     0.46 feet Low Tide
Tue -- 02:55 PM EDT     Moonset
Tue -- 05:00 PM EDT     2.39 feet High Tide
Tue -- 08:25 PM EDT     Sunset
Tue -- 11:41 PM EDT     0.60 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.81.11.51.8221.81.41.10.70.50.50.71.11.522.32.42.321.61.20.90.6

Tide / Current Tables for Yorktown USCG Training Center, York River, Virginia
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 Wakefield, VA (11,2,3,4)
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Ground Weather Radar Station Wakefield, VA
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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 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.