Friday, October30, 2020
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Marine Weather and Tides
Tappahannock, VA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:31AMSunset 6:14PM Friday October 30, 2020 11:37 AM EDT (15:37 UTC) Moonrise 5:03PMMoonset 5:25AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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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ANZ537 Tidal Potomac From Cobb Island To Smith Point- 1040 Am Edt Fri Oct 30 2020
.small craft advisory in effect through Saturday morning...
Rest of today..N winds 20 kt with gusts to 35 kt. Waves 3 ft. A chance of showers.
Tonight..N winds 10 to 15 kt. Gusts up to 30 kt... Diminishing to 20 kt in the late evening and overnight. Waves 2 to 3 ft.
Sat..NE winds 10 to 15 kt with gusts to 20 kt... Diminishing to 5 kt late. Waves 1 to 2 ft.
Sat night..SE winds 5 kt. Waves less than 1 ft.
Sun..SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of showers.
Sun night..W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Mon..W winds 15 to 20 kt. Waves 2 to 3 ft.
Tue..W winds 5 to 10 kt...becoming S after midnight. Waves 1 to 2 ft...subsiding to flat after midnight.
ANZ500 1040 Am Edt Fri Oct 30 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. Low pressure will exit the region to the east later this morning. High pressure will build in its wake through Saturday night, then a cold front will follow by late Sunday. Small craft advisories and gale warnings will likely be needed Sunday into Monday.


7 Day Forecast for Marine Location Near Tappahannock, VA
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location: 37.93, -76.86     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 301409 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 1009 AM EDT Fri Oct 30 2020

SYNOPSIS. A surface low pressure system will move off the southeast Virginia coast this morning and deepen off the Mid-Atlantic coast on Friday. High pressure will build into the region Friday night.

NEAR TERM /UNTIL 6 PM THIS EVENING/. As of 1000 AM EDT Friday .

Surface low and cold front are now well off the coast. Breezy NW wind this morning into this afternoon, with gusts 20-25 mph, and 25-30 mph closer to the coast. Residual low level moisture will result in mostly cloudy skies over the east, with partly cloudy conditions expected west of I-95. The cooler air moving over the warm waters will result in some light precip down wind of the bay, which is being confirmed by obs at Norfolk. QPF amounts will be little to none. Temps this afternoon will struggle to hit 50 over the MD eastern shore. In Virginia, temps from Richmond north and east will be in the low to mid 50s, with upper 50s to around 60 over southern VA and NE NC.

SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/. As of 400 AM EDT Friday .

High pressure will build into the region Friday night. A much colder night is expected with mostly clear skies and lighter winds. Low temperatures Saturday morning will be in the mid 30s north to upper 40s across Hampton Roads. Patchy frost is possible north and west of Richmond and the MD Eastern Shore Saturday morning. High pressure will become centered over the region during the day on Saturday. Temperatures will remain cool under mostly sunny skies. High temperatures will be around the mid 50s.

High pressure will move off the coast and an onshore flow will return. Sunday morning lows will range from near 50 at the beaches to low 40s for most locations away from the water.

A low pressure system will be tracking across southern Ontario Sunday with a strong cold front extending south across the Ohio River Vally. Southwest flow is expected to return on Sunday ahead of the front. Clouds will begin to move back into the area on Sunday with the chance for rain showers as the cold front approaches the area. A strong cold front will move across the area Sunday night with temperatures quickly falling into the 30s. Wind chills may be in the upper 20s by Monday morning across much of the area.

LONG TERM /MONDAY NIGHT THROUGH THURSDAY/. As of 215 PM EDT Thursday .

Behind the frontal passage, high pressure builds in from the west bringing a reinforcing shot of cooler/drier air to the region for the early part of next week. Widespread morning lows in the 30s expected Monday and Tuesday morning, with possibly some upper 20s Tuesday morning over portions of the NW. High temps Monday in the upper 40s to lower 50s. A slow warming trend by mid week with highs in the mid 50s Tuesday, and then into the 60s for Wednesday and Thursday.

AVIATION /14Z FRIDAY THROUGH TUESDAY/. As of 200 AM EDT Friday .

Post Tropical cyclone Zeta was off the srn New England coast very early this morning. Another low pressure area was moving into scntrl VA, with sctd showers and isolated tstms associated with it. As of 200 am, CIGS were mostly MVFR/IFR at all the TAF sites.

This low and a cold front will cross the area and push offshore through 12z this morning, bringing more pcpn and IFR/MVFR CIGS. Winds behind the front become N/NW and will become gusty again at 20-30 kt possible through this aftn.

Dry wx and VFR conditions will return by late this aftn everywhere, as high pressure builds into the area. Another cold front crosses the area late Sun, with just a slight chance of pcpn.

MARINE. As of 500 AM EDT Friday .

Winds are now ramping up from the NNW across the Bay/Rivers and coastal waters N of the VA/NC border. Winds over the NC waters are still from the W. The strongest cold air advection pushes across the region through midday today with winds averaging 25-30kt sustained with gusts to 35-40 kt. Gale Warnings remain in effect for all marine zones until 20z/4 PM this aftn, though these may be able to be scaled back to SCA's a little earlier over the rivers where the Gales will tend to be more short- lived. Seas are currently 5-8 ft N and 3-5 ft S but will build to 8-9 ft N and 6-8 ft S through midday. SCA's will then be needed for all coastal waters late this aftn through at least sat night/early Sun with seas slow to subside. Waves in the Bay will build to 4-5 ft with 2-3 ft in the Rivers. Winds remain elevated tonight and will likely still need SCA's in the Bay and possibly the lower James through early Sat.

Surface high pressure slides offshore Saturday through Sat night, with N-NE winds to veer around to E-SE Sat night, becoming S into Sunday. Breezy by Sun aftn with a tightening pressure gradient ahead of the next (even stronger) cold front. That front drops across the area Sunday night. At a minimum, strong SCA winds are expected, with a period of Gales possible for all zones and likely for the northern coastal waters. Conditions gradually improve Monday night into Tuesday as winds diminish with slackening pressure gradient and high pressure building over the region.

HYDROLOGY. As of 1000 AM EDT Friday .

Flood Warnings were issued for James river at Westham and the Richmond Locks. Minor flooding is expected later today at both of these locations.

TIDES/COASTAL FLOODING. As of 500 AM EDT Friday .

Have expanded the Coastal Flood Statement this morning to add the VA eastern shore counties, mainly for the Nassawadox Creek at Bayford. Water levels look to crest right around minor flood thresholds at Ocean City so will maintain the statement there as well. In addition, nuisance to perhaps minor coastal flooding is possible along the Atlantic coast/Lower Ches Bay/James River late tonight through the Saturday morning high tide cycles. With the onshore flow, and long period swell with elevated seas persisting into Sunday morning, some of the guidance suggests water becomes trapped into the Bay with the potential for minor flooding spreading N into the mid/upper Bay ahead of the next cold front Sun.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . Gale Warning until 4 PM EDT this afternoon for ANZ630>638-650- 652-654-656-658.

SYNOPSIS . TMG NEAR TERM . CMF SHORT TERM . CP LONG TERM . CMF AVIATION . TMG MARINE . LKB/MAM/RMM HYDROLOGY . TIDES/COASTAL FLOODING .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LWTV2 - 8635750 - Lewisetta, VA 21 mi50 min N 13 G 22 53°F 63°F1011.4 hPa
PPTM2 - 8578240 - Piney Point, MD 22 mi50 min N 14 G 22
NCDV2 29 mi50 min NNW 6 G 16
SLIM2 - 8577330 - Solomons Island, MD 35 mi50 min N 14 G 22 52°F 66°F1011.1 hPa
YRSV2 - Chesapeake Bay,VA 37 mi68 min NNW 5.1 55°F 1012 hPa49°F
44058 - Stingray Point, VA 41 mi32 min NW 21 G 25 55°F 65°F1013 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 41 mi50 min NNW 28 G 31 51°F 1011.5 hPa
BISM2 - 8571421 - Bishops Head, MD 48 mi50 min N 13 G 18 51°F 62°F1010.6 hPa
44062 - Gooses Reef, MD 49 mi26 min N 19 G 23 53°F 65°F

Wind History for Lewisetta, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tappahannock-Essex County Airport, VA5 mi43 minNW 610.00 miOvercast53°F51°F94%1012.2 hPa

Link to 5 minute data for KXSA

Wind History from XSA (wind in knots)
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1 day agoS6SW7SW7SW6S6SW5SW5S4S5S3S5SW3SW3CalmS4S4S3CalmS4S5SE3SE3S6S6
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE3CalmS3S4S5S7S8S9S8

Tide / Current Tables for Tappahannock, Rappahannock River, Virginia
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Tappahannock
Click for Map
Fri -- 01:22 AM EDT     1.85 feet High Tide
Fri -- 06:25 AM EDT     Moonset
Fri -- 07:31 AM EDT     Sunrise
Fri -- 08:05 AM EDT     0.20 feet Low Tide
Fri -- 01:45 PM EDT     2.06 feet High Tide
Fri -- 06:02 PM EDT     Moonrise
Fri -- 06:10 PM EDT     Sunset
Fri -- 08:41 PM EDT     0.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.81.81.61.30.90.60.30.20.30.71.21.722.11.91.61.30.90.50.30.30.50.9

Tide / Current Tables for Wares Wharf, Rappahannock River, Virginia
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Wares Wharf
Click for Map
Fri -- 12:49 AM EDT     1.96 feet High Tide
Fri -- 06:24 AM EDT     Moonset
Fri -- 07:20 AM EDT     0.22 feet Low Tide
Fri -- 07:31 AM EDT     Sunrise
Fri -- 01:12 PM EDT     2.18 feet High Tide
Fri -- 06:02 PM EDT     Moonrise
Fri -- 06:09 PM EDT     Sunset
Fri -- 07:56 PM EDT     0.27 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.921.81.51.10.70.40.20.30.61.11.622.22.11.91.51.10.60.40.30.40.81.3

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Wakefield, VA
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