Thursday, April2, 2020
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L-36.com


Marine Weather and Tides
York, 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 6:47AMSunset 7:30PM Thursday April 2, 2020 1:16 AM EDT (05:16 UTC) Moonrise 12:15PMMoonset 2:20AM Illumination 67% 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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ANZ632 Chesapeake Bay From New Point Comfort To Little Creek Va- 947 Pm Edt Wed Apr 1 2020
.small craft advisory in effect through Friday morning...
Overnight..NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves 2 to 3 ft, building to 3 to 4 ft. Isolated sprinkles late this evening and early morning.
Thu..NW winds 20 to 25 kt. Waves 4 to 5 ft, subsiding to 3 ft late.
Thu night..NW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Waves 3 to 4 ft.
Fri..NW winds 20 to 25 kt, becoming N 15 to 20 kt late. Waves 3 to 4 ft.
Fri night..N winds 10 to 15 kt. Waves 2 to 3 ft.
Sat..NE winds 10 to 15 kt. Waves 1 to 2 ft.
Sat night..SE winds 5 to 10 kt. Waves 1 to 2 ft.
Sun..SE winds 5 to 10 kt. Waves 1 to 2 ft.
Sun night..S winds 10 kt. Waves 1 to 2 ft.
Mon..SW winds 5 to 10 kt, becoming S in the afternoon. Waves 1 foot.
Mon night..SE winds 5 to 10 kt, becoming sw after midnight. Waves 1 foot. A chance of showers.
ANZ600 947 Pm Edt Wed Apr 1 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.. Low pressure strengthens well off the coast tonight. Meanwhile, high pressure slowly builds in from the northwest from tonight through the weekend.


7 Day Forecast for Marine Location Near Yorktown CDP, VA
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location: 37.23, -76.5     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 020150 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 950 PM EDT Wed Apr 1 2020

SYNOPSIS. High pressure in control of the area Thursday through the weekend. Low pressure well off the New England coast pivots back towards the coast on Thursday and Friday, before exiting eastward this weekend.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/. As of 945 pm EDT Wednesday . Introduced a slight chance of pops (10-14%) overnight. Some hi- res guidance continues to hint at some moisture making it to the surface as a weak trough passes through the area. Based on forecast soundings showing fairly shallow moisture, not expecting much more than some isolated sprinkles or a very brief light rain shower. Based on adding in some pops, also upped the sky cover a bit, however the overall trend across the region tonight will be gradual clearing.

Overnight expect chilly temps with mid-upper 30s NW and MD eastern shore to lower to mid 40s close to the coast. Would not be completely shocked to hear about some widely patchy frost in the normally colder areas in Louisa and Fluvanna Counties early Thursday as dew points fall near 30. The variable is going to be the wind. Currently it is near calm over central VA however guidance suggests winds near morning should be around 5 mph. Should the wind stay calm in places, there certainly will be enough radiational cooling overnight to get some patchy frost on elevated surfaces. Added a mention of patchy frost in NW Louisa overnight, however at this point don't believe it will be widespread enough to warrant any headlines. Should be noted though that the near term guidance is not handling the rate of temperature and dew point decreases this evening well, so this will be watched closely overnight.

SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY/. As of 400 PM EDT Wednesday .

Seasonably cool conditions will persist through Saturday as the upper low over the western Atlantic becomes closed off and struggles to move east. In fact, the low is expected to retrograde westward Thu night into Friday, allowing a backdoor cold front to move down the coast Friday. This will allow for temps to stay in the lower 60s on Thursday. On Friday/Saturday, expect temps to rise into the mid 60s across the western part of the forecast area, with upper 50s across the eastern shore due to the increased clouds from the backdoor cold front. Cannot completely rule out a passing shower across the MD eastern shore Friday, but the NWP suggests the lower levels will be fairly dry and as such have opted to keep any mention of precipitation out of the forecast.

LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/. As of 400 PM EDT Wednesday .

Quiet to start the extended forecast period with high pressure in control of the local weather. Skies will average somewhere between partly cloudy (west) and mostly clear (central/east) Saturday night. Overnight lows fall into the low and mid 40s. Mostly clear on Sunday with temperatures warming into the low/mid 60s near the coast to right around 70s for the Piedmont counties.

Diffuse high pressure slips to the south of the local region Sunday night into Monday as weak southerly surface flow continues. Lows fall into the upper 40s and low 50s under partly cloudy skies. Moisture levels tick upward on Monday afternoon as high temps climb into the mid 70s inland (upper 60s/low 70s near the coast). Slight chance of showers by Monday evening into early Tuesday as a series of low amplitude waves in the NW flow aloft traverse the region. This pattern will continue into the mid week period with highs in the 70s and lows in the 50s.

AVIATION /02Z THURSDAY THROUGH MONDAY/. As of 730 PM EDT Wednesday .

VFR conditions expected through the TAF period. Slight chance of an isolated sprinkle or light shower overnight but chances are too low to mention in the TAFS, and any moisture that does fall will not impact flight categories. Winds will be N/NW through the period generally 10 kts or less, however winds will increase to 10-15 kts with gusts around 25 kts Thursday afternoon and evening at SBY/ORF/ECG as the pressure gradient tightens with the low well off the NE coast slowly moving back towards the coast.

Outlook . VFR conditions will continue Friday through the weekend as high pressure remains in control of the area.

MARINE. As of 400 PM EDT Wednesday .

Very strong (sub 980mb) low pressure continues to slowly pull away from the Mid Atlantic coast this afternoon. Northeast winds have transitioned to more northerly this afternoon with the strongest flow located from the VA/NC border southward. Waves in the bay have come down to 3-4 ft (4-7 ft near the mouth of the bay) while seas offshore range from 8-10 ft N to 10-15 ft S.

Conditions will continue to improve over the course of this evening with all Gale headlines set to come down at 4pm. Northerly winds will decrease to 10-15 knots for a period this evening across the Ches bay and coastal waters before ramping back up after midnight tonight. Winds will increase to 20-25 knots with gusts to 30 knots in the bay, lower James, Currituck Sound, and coastal waters with this CAA surge. As such, have transitions/continued SCA headlines for these areas from tonight into at least Thursday evening. Another more energetic northerly surge is expected to drop southward on Thursday night so have extended SCA headlines for the bay and coastal waters through Friday morning. It appears the upper tidal rivers and as well as the James river and Currituck Sound will have periods of SCA conditions periodically from Thursday afternoon into Friday but uncertainty in the timing precludes any headlines with this update.

Seas will continue to slowly decrease this evening but will remain 8- 12 ft S overnight so have extended the High Surf Advisory from VA Beach southward until 10am tomorrow. Seas fall to 4-7ft by tomorrow afternoon. However, today's low pressure system will meander/loop around the waters off the east coast through Saturday, sending large swell waves toward the coast. Seas remain above (periodically much above) SCA thresholds through Saturday and potentially beyond. Waves in the bay will not be nearly as robust but larger swells will spill into the lower Ches bay through the weekend.

TIDES/COASTAL FLOODING. As of 400 PM EDT Wednesday .

N/NE winds continue to be gusty this afternoon but are expected to subside late tonight. Tidal anomalies are slowly falling but continue to run 1-2 ft in the northern bay and 2-3 ft in the southern bay and James river. Coastal flood advisories have been extended out through the next two high tide cycles (through Thursday morning) for the bayside of the lower Maryland eastern shore, northern neck VA, bayside of Northampton VA, and coastal areas of the upper James. Will continue to evaluate the tidal anomaly trends this evening and overnight and adjust headlines as needed.

CLIMATE. March 2020 temperature ranks:

4th warmest at RIC (54.8F), #1 1945 (58.5F) 4th warmest at ORF (57.0F), #1 1945 (59.5F) 8th warmest at SBY (50.7F), #1 1945 (56.2F) 4th warmest at ECG (58.0F), #1 1945 (61.5F)

AKQ WATCHES/WARNINGS/ADVISORIES. MD . Coastal Flood Advisory until 11 AM EDT Thursday for MDZ021>023. NC . High Surf Advisory until 10 AM EDT Thursday for NCZ102. VA . Coastal Flood Advisory until 10 AM EDT Thursday for VAZ075-077- 089-090-093-096-100-524. High Surf Advisory until 10 AM EDT Thursday for VAZ098. MARINE . Small Craft Advisory until 7 AM EDT Friday for ANZ632-634-650- 652-654-656-658. Small Craft Advisory until 6 AM EDT Friday for ANZ630-631. Small Craft Advisory until 7 PM EDT Thursday for ANZ633-638.

SYNOPSIS . AJZ/CMF/MRD NEAR TERM . CMF/MRD SHORT TERM . MRD LONG TERM . RHR AVIATION . CMF MARINE . ERI/RHR TIDES/COASTAL FLOODING . AKQ CLIMATE . AKQ


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YKTV2 - 8637689 - Yorktown, VA 1 mi47 min W 8.9 G 11 51°F 56°F1010.8 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 8 mi47 min WNW 13 G 15 52°F 1011.4 hPa
44072 13 mi27 min N 14 G 16 51°F
YRSV2 - Chesapeake Bay,VA 17 mi47 min WSW 4.1 48°F 1012 hPa39°F
DOMV2 - 8638511 - Dominion Terminal Association, VA 19 mi53 min WNW 12 G 13 50°F 1011.6 hPa
WDSV2 - 8638614 - Willoughby Deguassing , VA 20 mi53 min W 12 G 14 51°F 1010.8 hPa
SWPV2 - 8638610 - Sewells Point, VA 22 mi53 min 55°F1011 hPa
CRYV2 - 8638595 - South Craney Island, VA 25 mi47 min W 6 G 8 49°F 1011.1 hPa
CHBV2 26 mi53 min WNW 13 G 16 51°F 1009.7 hPa
44058 - Stingray Point, VA 27 mi35 min W 9.7 G 12 53°F1014.2 hPa
44064 27 mi27 min WNW 14 G 16 1010.6 hPa
KPTV2 - 8632200 - Kiptopeke, VA 28 mi47 min WNW 13 G 15 53°F
MNPV2 - 8639348 - Money Point, VA 33 mi47 min W 6 G 7 48°F 57°F1011.2 hPa
RPLV2 - 8632837 - Rappahannock Light, VA 33 mi47 min W 14 G 15 1011.5 hPa
CHYV2 - 8638999 - Cape Henry, VA 34 mi47 min WSW 7 G 8.9 48°F 1011.2 hPa
44099 - Cape Henry, VA (147) 47 mi47 min 49°F6 ft

Wind History for Yorktown USCG Training Center, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newport News, Newport News / Williamsburg International Airport, VA6 mi23 minW 610.00 miOvercast50°F37°F63%1011.4 hPa
Fort Eustis / Felker, VA9 mi81 minW 510.00 miLight Drizzle49°F39°F69%1011.1 hPa
Williamsburg-Jamestown Airport, VA11 mi22 minN 010.00 miMostly Cloudy50°F39°F67%1012.2 hPa
Langley Air Force Base, VA13 mi81 minW 610.00 miOvercast47°F44°F89%1011.8 hPa
Norfolk, Naval Air Station, VA23 mi78 minW 610.00 miMostly Cloudy51°F39°F66%1011.9 hPa

Link to 5 minute data for KPHF

Wind History from PHF (wind in knots)
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N9NW7NW4W4W4W5W5W6
1 day agoNE8NE6NE6NE4CalmNE5NE5NE9NE9E10NE10NE8E10E7E7
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2 days agoW6W6W6W4E7NE5NE5NE7CalmSW3S3SW7W8SW14
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W7SW9SW7SW7SW9N7NE9NE13
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Tide / Current Tables for Yorktown, York River, Virginia
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Yorktown
Click for Map
Thu -- 03:20 AM EDT     Moonset
Thu -- 04:31 AM EDT     2.46 feet High Tide
Thu -- 06:49 AM EDT     Sunrise
Thu -- 11:06 AM EDT     0.47 feet Low Tide
Thu -- 01:15 PM EDT     Moonrise
Thu -- 05:05 PM EDT     2.11 feet High Tide
Thu -- 07:30 PM EDT     Sunset
Thu -- 11:08 PM EDT     0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.81.31.82.22.42.42.21.81.40.90.60.50.60.81.21.722.121.71.30.80.50.3

Tide / Current Tables for Penniman Spit, York River, Virginia
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Penniman Spit
Click for Map
Thu -- 03:20 AM EDT     Moonset
Thu -- 05:01 AM EDT     2.56 feet High Tide
Thu -- 06:49 AM EDT     Sunrise
Thu -- 11:44 AM EDT     0.47 feet Low Tide
Thu -- 01:15 PM EDT     Moonrise
Thu -- 05:35 PM EDT     2.20 feet High Tide
Thu -- 07:30 PM EDT     Sunset
Thu -- 11:46 PM EDT     0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.611.62.12.42.62.52.11.71.20.80.50.50.711.51.92.22.221.61.10.70.4

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 (1,6,7,8)
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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.