Thursday, January23, 2020
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Marine Weather and Tides
Mathews, 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 7:12AMSunset 5:21PM Thursday January 23, 2020 10:15 AM EST (15:15 UTC) Moonrise 6:24AMMoonset 4:12PM Illumination 3% Phase: Waning Crescent; Moon at 28 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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ANZ631 Chesapeake Bay From Windmill Point To New Point Comfort Va- 941 Am Est Thu Jan 23 2020
Rest of today..NE winds 5 to 10 kt. Waves 1 foot.
Tonight..NE winds 5 to 10 kt. Waves 1 foot.
Fri..E winds 10 to 15 kt. Waves 1 foot.
Fri night..SE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of rain in the evening, then rain after midnight.
Sat..S winds 10 to 15 kt, becoming sw in the afternoon. Waves 1 to 2 ft. Rain likely in the morning.
Sat night..W winds 10 to 15 kt. Waves 1 foot.
Sun..W winds 10 to 15 kt. Waves 1 foot.
Sun night..W winds 10 to 15 kt. Waves 1 to 2 ft.
Mon..NW winds 10 to 15 kt. Waves 1 foot.
Mon night..NW winds 10 to 15 kt. Waves 1 foot.
ANZ600 941 Am Est Thu Jan 23 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 gradually push off to the northeast today into tonight. Low pressure approaches from the west Friday with the trailing cold front crossing the area early Saturday.


Hourly Forecast for Marine Location Near Mathews CDP, VA
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location: 37.35, -76.25     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 231142 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 642 AM EST Thu Jan 23 2020

SYNOPSIS. Canadian high pressure slides off the coast later today into tonight. Low pressure tracks across the region Friday night and Saturday morning. High pressure builds into the area for early next week.

NEAR TERM /THROUGH TONIGHT/. As of 350 AM EST Thursday .

1030mb high pressure is centered from the Mid-Atlantic to New England early this morning as an upper level ridge builds aloft. Mostly clear with thin high clouds arriving from the W. Temperatures range from the upper teens/low 20s over the Piedmont, to the low/mid 20s from the interior coastal plain to the MD Ern Shore, and mid/upper 30s for coastal SE VA/NE NC where a northerly wind persists. The upper ridge axis will push offshore today allowing cirrus to overspread the region resulting in partly sunny to occasionally mostly cloudy conditions depending on the opacity of the cirrus. Meanwhile, high pressure at the surface weakens and begins to slide offshore. High temperatures will be near seasonal averages ranging from the mid/upper 40s NW to the low 50s SE.

SHORT TERM /FRIDAY THROUGH SATURDAY/. As of 350 AM EST Thursday .

The upper ridge slides farther offshore tonight as a vigorous closed upper low digs across the Mississippi Valley. High clouds continue to increase. Lows tonight range from the around 30F NW to upper 30s/low 40s SE, and these values will likely be achieved during the evening to early overnight hours, before becoming steady inland and rising toward the coast. The upper low trundles ewd toward the Ohio Valley Friday. SSW flow aloft will allow moisture to spread nwd across the region, with a chc of showers arriving W of I- 95 during the aftn. However, the general consensus amongst 23/00z guidance is for the deeper moisture and vertical ascent to wait until evening before reaching the Piedmont. In situ wedging appears weaker given a slower onset to rain. Therefore, highs have been nudged up a few degrees to the upper 40s/low 50s over the Piedmont (still mid 40s far NW), to the mid 50s from central VA to the Ern Shore, and around 60F for far SE VA/NE NC.

The upper low lifts newd toward the Ern Great Lakes Friday night into Saturday as a moist frontal band lift across the Mid- Atlantic Friday night into Saturday morning. PoPs increase to 80-90% Friday night into Saturday morning for the area, but the window of pcpn for any given region is on the order of 3hrs. Moderate to occasional heavy rain is possible. However, given a relatively short duration QPF ranges from 0.25-0.4" SE to 0.75-0.9" NW. Mild Friday night with low temperatures in the mid 40s NW to the low 50s SE. The chc of rain quickly diminishes SW-NE Saturday with most areas becoming dry and partly cloudy by aftn. The system basically amounts to a warm occlusion and highs Saturday will be rather mild ranging from the low/mid 50s over the Piedmont, to the low 60s SE. Morning low clouds are possible over the Piedmont are possible given the lack of CAA.

LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/. As of 230 PM EST Wednesday .

This period to be governed by high pressure/dry conditions. NW flow behind the departing low Sun/Mon. The high moves overhead Tue then pushes offshore Wed. This results in aoa normal temps thru the prd. Highs Sun upr 40s-lwr 50s, mid 40s-lwr 50s Mon/Tue, then upr 40s-mid 50s Wed. Lows in the 30s to near 40 se.

AVIATION /12Z THURSDAY THROUGH MONDAY/. As of 640 AM EST Thursday .

1030mb high pressure is centered over the Mid-Atlantic region as of 12z. There is still some pressure gradient over SE VA/NE NC and the wind is N to NNE ~10kt at ORF/ECG, and calm to very light RIC/SBY/PHF. Mostly clear with thin cirrus spreading in from the W. High pressure will remain over the region today and weaken. Cirrus will increase and thicken, with sct-bkn SC ~4-6kft pushing onshore around ECG midday into the aftn. The wind will be light out of the NE. High pressure will slide offshore tonight with clouds continuing thicken and lower, but cigs are expected to remain VFR most of the night. However, some of the latest high-res data is suggesting MVFR/IFR stratus could spread nwd into s-central and central VA around 12z Friday.

Low pressure will approach from the W Friday and pass across the region Friday night into early Saturday bringing rain and degraded flight conditions. Upper level low pressure crosses the region Saturday into Sunday, which should only bring passing mid-clouds and a 20-30% of showers (mainly Saturday aftn from RIC-SBY). Weak high pressure builds in from the W Monday aftn.

MARINE. As of 350 AM EST Thursday .

High pressure is centered over the area this morning, and will continue to slide NE throughout the day. This is resulting in light N/NE winds 5-15 kts across the area waters. Waves in the bay are 1-2 ft. Seas are 2-4 ft for the coastal waters from Virginia Beach up to the MD eastern shore, and 4-6 ft for the northern outer banks. The elevated seas over the northern outer banks and southern portion of the tidewater coastal zone are expected to persist through Thursday, the SCA was extended to 06Z Friday.

Winds will become more easterly on Friday as the high continues to move NE away from the area. Wind speeds tick up to 10-15 kts with gusts around 20 kts by late in the day Friday, and increase to 15-20 kts with gusts around 25 kts by Saturday morning with a SE flow ahead of an approaching low pressure system. Waves/seas build throughout the day on Friday with the persistent easterly flow, and by Saturday morning expect 3-5 ft waves in the bay and seas 6-8 ft.

Cold front associated with the low pressure system crosses the area waters Saturday morning. Westerly flow expected after the frontal passage. SCA waves/seas will likely persist into Sunday. High pressure builds in late Sunday and remains in place for the early part of next week with sub-SCA conditions expected.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . Small Craft Advisory until 1 AM EST Friday for ANZ656-658.

SYNOPSIS . AJZ/MPR NEAR TERM . AJZ SHORT TERM . AJZ LONG TERM . MPR AVIATION . AJZ MARINE . CMF


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YKRV2 - 8637611 - York River East Rear Range Light, VA 8 mi45 min 38°F 1029.9 hPa
44072 10 mi25 min E 12 G 14 40°F
44058 - Stingray Point, VA 15 mi21 min NE 9.7 G 12 42°F1033 hPa
YKTV2 - 8637689 - Yorktown, VA 15 mi45 min 36°F 44°F1029.2 hPa
RPLV2 - 8632837 - Rappahannock Light, VA 18 mi45 min 1030.1 hPa
KPTV2 - 8632200 - Kiptopeke, VA 19 mi51 min 40°F
44087 23 mi15 min 44°F2 ft
CHBV2 24 mi51 min 38°F 1027.6 hPa
YRSV2 - Chesapeake Bay,VA 25 mi45 min N 1 34°F 1031 hPa31°F
WDSV2 - 8638614 - Willoughby Deguassing , VA 26 mi51 min 40°F 1028.7 hPa
44064 26 mi25 min NNE 7.8 G 9.7 1028.9 hPa
DOMV2 - 8638511 - Dominion Terminal Association, VA 28 mi51 min 41°F 1029.5 hPa
SWPV2 - 8638610 - Sewells Point, VA 28 mi51 min 45°F1028.9 hPa
CRYV2 - 8638595 - South Craney Island, VA 32 mi45 min 41°F 1029 hPa
CHYV2 - 8638999 - Cape Henry, VA 32 mi45 min 38°F 1028.9 hPa
WAHV2 - 8631044 - Wachapreague, VA 35 mi45 min 38°F 37°F1028.7 hPa
MNPV2 - 8639348 - Money Point, VA 40 mi51 min 43°F 47°F1028.6 hPa
44099 - Cape Henry, VA (147) 41 mi15 min 47°F4 ft
LWTV2 - 8635750 - Lewisetta, VA 46 mi51 min 37°F 37°F1030.2 hPa
44042 - Potomac, MD 47 mi21 min N 7.8 G 9.7 36°F 41°F1030.4 hPa

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
Langley Air Force Base, VA19 mi79 minNE 610.00 miMostly Cloudy39°F37°F92%1029.4 hPa
Newport News, Newport News / Williamsburg International Airport, VA20 mi21 minNNE 510.00 miFair40°F30°F68%1029.7 hPa
Fort Eustis / Felker, VA24 mi79 minN 510.00 miMostly Cloudy36°F26°F70%1029.1 hPa

Link to 5 minute data for KLFI

Wind History from LFI (wind in knots)
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Tide / Current Tables for New Point Comfort, Mobjack Bay, Virginia
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New Point Comfort
Click for Map
Thu -- 01:34 AM EST     -0.31 feet Low Tide
Thu -- 06:23 AM EST     Moonrise
Thu -- 07:14 AM EST     Sunrise
Thu -- 07:59 AM EST     2.47 feet High Tide
Thu -- 02:32 PM EST     -0.21 feet Low Tide
Thu -- 04:12 PM EST     Moonset
Thu -- 05:19 PM EST     Sunset
Thu -- 08:14 PM EST     1.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.3-0.300.61.21.92.32.52.31.91.30.70.1-0.2-0.20.10.61.21.71.91.81.51

Tide / Current Tables for York Spit Light, Mobjack Bay, Virginia
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York Spit Light
Click for Map
Thu -- 01:24 AM EST     -0.31 feet Low Tide
Thu -- 06:23 AM EST     Moonrise
Thu -- 07:14 AM EST     Sunrise
Thu -- 07:49 AM EST     2.44 feet High Tide
Thu -- 02:22 PM EST     -0.21 feet Low Tide
Thu -- 04:12 PM EST     Moonset
Thu -- 05:19 PM EST     Sunset
Thu -- 08:04 PM EST     1.89 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0-0.3-0.30.10.71.31.92.32.42.21.81.20.60.1-0.2-0.10.20.71.31.71.91.81.40.9

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 (10,2,3,4)
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Ground Weather Radar Station Wakefield, VA
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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.