Monday, April12, 2021
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Marine Weather and Tides
Boydton, VA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:42AMSunset 7:46PM Monday April 12, 2021 11:44 PM EDT (03:44 UTC) Moonrise 6:14AMMoonset 7:25PM Illumination 1% Phase: Waxing Crescent; Moon at 1 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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ANZ637 James River From Jamestown To The James River Bridge- 906 Pm Edt Mon Apr 12 2021
Overnight..N winds 5 to 10 kt. Waves 1 foot. A chance of showers with a slight chance of tstms late this evening and early morning.
Tue..NE winds 5 to 10 kt. Waves 1 foot.
Tue night..E winds 5 to 10 kt, becoming se in the late evening and overnight. Waves 1 foot.
Wed..S winds 5 kt, becoming se late. Waves 1 foot. Showers likely in the afternoon.
Wed night..SE winds 5 to 10 kt, becoming S after midnight, then becoming W late. Waves 1 foot. Showers likely.
Thu..NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in the morning.
Thu night..NW winds 5 to 10 kt. Waves 1 to 2 ft.
Fri..NW winds 10 to 15 kt. Waves 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Waves around 2 ft.
Sat..NW winds 5 kt. Waves 1 to 2 ft.
Sat night..SE winds 5 kt, becoming sw after midnight. Waves 1 foot. Winds and waves higher in and near tstms.
ANZ600 906 Pm Edt Mon Apr 12 2021
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 just off the middle atlantic coast will slowly move east through Tuesday. Meanwhile, high pressure builds into the area from the west Tuesday into Wednesday before another area of low pressure impacts the region Wednesday night into Thursday.


7 Day Forecast for Marine Location Near Boydton, VA
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location: 36.57, -78.32     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 130141 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 941 PM EDT Mon Apr 12 2021

SYNOPSIS. An upper level trough moves across the region tonight. Weak high pressure settles over the area Tuesday afternoon and evening. Another system will affect the area Wednesday into Thursday.

NEAR TERM /THROUGH TUESDAY/. As of 940 PM EDT Monday .

Latest analysis shows sfc low pressure off the coast of SE VA, Aloft, an upper low is seen on WV satellite imagery spinning across central PA. An area of showers with embedded tstms has developed ahead of the upper low. A few of the tstms have produced some small hail. Low clouds are still in place in some areas near the coast, with variably cloudy skies elsewhere. Temperatures range from the upper 40s along the Atlantic Coast of the Eastern Shore, to the low/mid 50s elsewhere. PoPs remain 40-60% from e-central VA to the Eastern Shore through 06z, and also clip the Peninsula, Norfolk, and VA Beach as the upper low continues to dive SE. Total QPF through Tue morning is mainly expected to be 0.10 to 0.25" along the Bay and eastern shore, although some localized higher amounts are possible. Have also maintained a slight chc tstms later this evening until around 06Z for some elevated thunder associated w/ steep mid level lapse rates (to around 7.5C between H5 and H7).

The upper low will move off the coast between 06-12Z/Tue. Any remaining light rain over the MD eastern shore should end by 09Z, but it will remain mostly cloudy over the N/NE portion of the forecast area down to Hampton roads and NE NC, and partly cloudy to mostly clear over the far SW by sunrise Tuesday morning. Overnight low temps in the upper 40s to lower 50s. Highs Tue in the lower 70s W of I-95, and in the mid to upper 60s over most of the remainder of the area (locally upper 50s/low 60s ern shore).

Weak high pressure and upper level ridging builds in for Tuesday. Dry day with plenty of sunshine expected. Comfortable temps with highs in the upper 60s to lower 70s, except cooler over the eastern shore where highs will struggle to reach 60.

SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/. As of 340 PM EDT Monday .

Mostly clear Tue evening as high pressure briefly will be over the region, then increasing clouds into Wed morning as the next system rapidly brings moisture in from the W. Low temps Tuesday 45-50F. On Wednesday an upper level low will be over the upper Great Lakes and a shortwave associated with it will move through the area during the day. A cold front will approach from the west and cross the area late Wednesday into early Thursday. The first half of Wednesday should be dry (at least SE 1/2 of the area) but scattered showers and thunderstorms are expected to develop beginning in the afternoon and lasting into Wed night. The models show some some differences on exactly where the boundary will set up during the day, and this will be key in determining how far N instability can develop (as well as leading to a potentially large high temperature gradient). For now, have confined the mention of tstms to southern VA and NE NC, with just showers indicated across the northern 1/2 of the area. Will have highs into the mid 70s across the south but only in the upper 50s to lower 60s N. SPC does not have any of the area outlooked for a Day 3 Severe at this time as lapse rates are marginal and H5 flow is fairly zonal. Will keep likely PoPS E to chance PoPs W into Thu morning, until the cold front clears the coast. High temps on Low temps Wednesday night in the upper 40s to mid 50s. Becoming partly sunny Thu with highs in the 60s.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/. As of 340 PM EDT Monday .

Global models and ensembles are in relatively good agreement that an upper low will be centered north of the local area to start the extended forecast period. Some lingering slight chance PoPs across the NE portion of the area Thursday night and early Friday with lows in the low 40s. The upper low pivots to the SE on Friday and models disagree on how far south the moisture associated with the low will get, so will maintain slight chance PoPs over the MD Eastern Shore and increased clouds across the northern half of the area. High temps will only rise into the low 60s N and mid to upper 60s S with overnight lows again in the low 40s.

Dry and a few degrees warmer on Saturday under partly cloudy skies with zonal flow aloft. Model solutions begin to diverge late Saturday into early next week so will stick close NBM for the latter half of the extended forecast. Highs warm into the upper 60s and low 70s Sunday and Monday with overnight lows in the mid 40s. Given the inconsistencies among the models, will limit PoPs to 25-30% or less Sunday and Monday.

AVIATION /02Z TUESDAY THROUGH SATURDAY/. As of 755 PM EDT Monday .

High pressure is centered well N of the region as of 00z, with low pressure well off the coast. Meanwhile, an upper level disturbance is tracking across the area, and this is producing scattered showers and a few tstms over northern VA and MD. An area of stratus extends from the Eastern Shore into SE VA and coastal NE NC. This is producing IFR/MVFR cigs at ORF/PHF/ECG/SBY. Most guidance keeps SBY at MVFR tonight, while cigs are forecast to lower to IFR at PHF. Cigs are eventually expected to fall to IFR/MVFR at RIC, but this will be closer to or after 06z. The best chance of showers and perhaps a tstm will bisect RIC/SBY, and PHF/SBY. However, SBY has the best chance of showers through 06z. A NE wind of 6-12kt is expected to continue overnight. Cigs gradually lift Tuesday morning, and then become VFR by Tuesday afternoon, with a N to NE wind of 8-12kt.

VFR conditions prevail Tuesday night into early Wednesday as weak high pressure builds over the area. Showers and possibly some thunderstorms arrive ahead of a front approaching from the west Wednesday into early Thursday resulting in additional flight restrictions. Weak high pressure returns later in the week.

MARINE. As of 300 PM EDT Monday .

Northerly winds will increase late tonight into tomorrow morning as an upper level disturbance moves through the area. In fact, have opted to increase winds to 15 to 20kt across the southern bay and issue a small craft advisory late tonight into Tue morning. In addition, have raised SCA for the remainder of the Coastal waters due to seas building to 4-5 ft tonight into Tue. Winds and seas subside Tue night into Wed and turn southerly as high pres shifts offshore and another low develops and moves toward the area. This low slowly moves offshore by Thursday, allowing winds to turn west or northwest by Thursday. SCA conditions are possible by Friday as this low is forecast to deepen offshore of the area.

TIDES/COASTAL FLOODING. As of 300 PM EDT Monday .

Continued northerly winds into tomorrow will allow for some minor coastal flooding in the Chesapeake Bay near high tide tonight. Water levels are expected to be 1 to 2 ft above astronomical high tide tonight Have opted to issue a coastal flood advisory for the eastern side of the Chesapeake Bay and a coastal flood statement for the southern bay. Water levels are expected to remain elevated, at least in action stage, through mid week.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . Coastal Flood Advisory until 5 AM EDT Tuesday for MDZ021>023. NC . None. VA . Coastal Flood Advisory until 1 AM EDT Tuesday for VAZ099-100. MARINE . Small Craft Advisory until 2 PM EDT Tuesday for ANZ632-634-638. Small Craft Advisory from 4 AM to 1 PM EDT Tuesday for ANZ633. Small Craft Advisory until 6 PM EDT Tuesday for ANZ654. Small Craft Advisory from 5 AM to 6 PM EDT Tuesday for ANZ656- 658. Small Craft Advisory until 6 PM EDT Tuesday for ANZ650-652.

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


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
South Hill, Mecklenburg-Brunswick Regional Airport, VA17 mi50 minN 010.00 miFair60°F40°F48%1013.5 hPa
Henderson-Oxford Airport, NC18 mi70 minN 410.00 miFair58°F40°F52%1011.8 hPa

Link to 5 minute data for KAVC

Wind History from AVC (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmSW3CalmCalmCalmCalmCalmSW9SW3CalmCalmSW11
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Tide / Current Tables for Petersburg, Appomattox River, James River, Virginia
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Petersburg
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Mon -- 05:06 AM EDT     3.44 feet High Tide
Mon -- 06:38 AM EDT     Sunrise
Mon -- 07:09 AM EDT     Moonrise
Mon -- 12:31 PM EDT     0.22 feet Low Tide
Mon -- 05:34 PM EDT     3.09 feet High Tide
Mon -- 07:42 PM EDT     Sunset
Mon -- 08:21 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.71.62.53.23.43.32.82.21.61.10.60.30.30.91.82.633.12.72.21.61.10.7

Tide / Current Tables for Chester, James River, Virginia
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Chester
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Mon -- 05:19 AM EDT     3.34 feet High Tide
Mon -- 06:38 AM EDT     Sunrise
Mon -- 07:09 AM EDT     Moonrise
Mon -- 12:32 PM EDT     0.17 feet Low Tide
Mon -- 05:47 PM EDT     3.00 feet High Tide
Mon -- 07:42 PM EDT     Sunset
Mon -- 08:21 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.61.42.333.33.22.82.21.61.10.60.20.20.81.62.42.932.72.21.610.6

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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