Thursday, August6, 2020
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Marine Weather and Tides
Whitehaven, MD

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 6:08AMSunset 8:08PM Thursday August 6, 2020 9:24 PM EDT (01:24 UTC) Moonrise 9:09PMMoonset 7:53AM Illumination 90% Phase: Waning Gibbous; Moon at 18 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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ANZ543 Tangier Sound And The Inland Waters Surrounding Bloodsworth Island- 738 Pm Edt Thu Aug 6 2020
Tonight..S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms this evening, then scattered showers with isolated tstms after midnight. Patchy fog after midnight with vsby 1 to 3 nm.
Fri..S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms.
Fri night..SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms.
Sat..NW winds 5 kt. Waves flat. A chance of showers and tstms.
Sat night..E winds around 5 kt. Waves flat.
Sun..W winds 5 kt. Waves flat.
Sun night..S winds 5 to 10 kt. Waves 1 ft.
Mon..S winds 10 to 15 kt. Waves 1 ft.
Tue..S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 738 Pm Edt Thu Aug 6 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A stationary boundary will linger near the region and our marine areas through Friday. This will result in chances for showers and Thunderstorms each day during the late afternoon and evening.


7 Day Forecast for Marine Location Near Whitehaven, MD
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location: 38.27, -75.79     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 062332 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 732 PM EDT Thu Aug 6 2020

SYNOPSIS. A weak surface boundary will remain near the local area through Friday. This boundary will promote numerous opportunities for showers and thunderstorms with locally heavy rainfall possible. High pressure settles over the area for the weekend. Diurnal thunderstorm chances continue early next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. As of 330 PM EDT Thursday .

Thunderstorms have initiated across areas east of I-95 in the vicinity of old outflow from this morning's storms. Another area of thunderstorms has developed well to our west. There have already been a few instances of flash flooding across the VA Northern Neck and VA Beach. The 12z/06 CAMs (and also the most recent runs of the HRRR) continue to forecast the tstms to our west to move into the area this evening before becoming concentrated in a WNW-ESE fashion roughly along the I-64 corridor this evening through the first part of tonight. Tstms are expected to slowly diminish in coverage/intensity early Fri AM while gradually propagating southward (w/ the aforementioned frontal boundary). Have likely PoPs in almost all areas through this evening with highest PoPs (60-70%) shifting south/west after 00z. Will carry slight chc-chc PoPs after 06z.

While the deep-layer flow/MBE velocities suggest that storms will have some (slow) movement to them, FFG values are only 1-1.5"/hr in a large area from roughly Chesterfield County- Newport News north and east to Caroline County/the VA Nrn Neck. This is due to wet antecedent conditions mainly from TS Isaias. In addition, flash flooding was observed in the City of Richmond yesterday evening and FFG values are now aob 0.5"/hr here. Given the above mentioned factors, PWs around 2", and the fact that the latest CAMs continue to highlight the I-64 corridor in central/ern VA for heavy rain potential this evening (HREF neighborhood probs of ~50% for 3"/3 hr) . will keep FFA as is (in effect through 08z/4 AM). Could also see some additional flooding in urban areas of Norfolk/VA Beach (already have a few flash flood reports from VA Beach), but feel the main flash flood threat will diminish there in a few hours, so no expansion of the FFA attm. The heavy rain potential will continued to be mentioned in the HWO for areas not in the watch.

Lows tonight generally in the low-mid 70s.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/. As of 345 PM EDT Thursday .

Upper trough currently to our west is progged to cross the area Fri evening-Fri night. Will see one more day of scattered (to perhaps numerous) aftn-evening tstms on Fri. Coverage of storms is expected to be slightly less than this aftn-evening. However, given low FFG values, the threat for flash flooding is expected to continue. In addition, cannot rule out isolated damaging wind gusts in the strongest storms (dynamics will be a bit better with the trough axis approaching/crossing the region). Have 50-60% PoPs across the area Fri aftn/evening. Tstm chances end from west to east Fri night. Highs Fri in the mid-upper 80s. Lows Fri night in the upper 60s-low 70s.

Upper trough axis moves offshore this weekend. However, there is still a chc of isolated-scattered aftn/evening tstms on Sat (especially E of I-95) as a sfc trough lingers in the vicinity of SE VA/NE NC. Expect partly cloudy skies across most areas on Sun as weak high pressure tries to settle into the area. However, still cannot rule out an isolated aftn/evening tstm (PoPs 15-20%). Highs Sat in the upper 80s. Slightly warmer on Sun w/ highs around 90F.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/. As of 345 PM EDT Thursday .

Still looking like a more typical summertime pattern for the medium range period (Sun night through early next week). The large scale through much of the medium range period will feature high pressure (at the surface and aloft) offshore of the SE CONUS coast, with weak upper troughing remaining centered in the vicinity of the Mississippi River Valley. This will allow for temperatures to rise back to near/slightly above average by early next week. In addition diurnal (mainly aftn-evening) showers/tstms are possible each day (Mon-Thu). Will account for this with slight chc-chc PoPs. Highs generally 89-94F with lows from around 70F to the mid 70s through the medium range period.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. As of 730 PM EDT Thursday .

Prevailing conditions will be VFR/MVFR through 06z outside of an lingering convection. Light winds will continue outside of any tstms. Could see some brief MVFR/IFR ST at RIC/SBY early Friday morning. VFR conditions return by ~14z. More SHRAs/tstms will remain possible Friday afternoon and evening. Local flight restrictions will again be possible.

Outlook . Drier air begins to arrive Friday night into this weekend. Still cannot rule out isolated aftn/evening tstms Sat/Sun. Mainly VFR outside of any tstms.

MARINE. As of 400 PM EDT Thursday .

No headlines in the short term tonight through Sun. Late this aftn, a frontal boundary was laying NNW of the waters with winds SE 5-15 kt outside of tstms. Winds will become S or SSW later tonight into Fri morning, generally around 10 kt or less, then becoming SE or S during Fri. Waves will be 1-2 ft, and seas 2-3 ft. Winds will be S then SW around 10 kt or less Fri night, then WSW Sat morning becoming SE Sat aftn. A frontal boundary will drop across the area late Sat night into Sun morning, with winds turning to the NW or N. NE winds later Sun morning, will turn to the SE later in the day, as high pressure builds across nrn portions of the area.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . Flash Flood Watch until 4 AM EDT Friday for MDZ021>025. NC . None. VA . Flash Flood Watch until 4 AM EDT Friday for VAZ048-062-064-069- 075>078-082>086-090-509>525. MARINE . None.

SYNOPSIS . ERI NEAR TERM . ERI SHORT TERM . ALB/ERI LONG TERM . ERI AVIATION . ERI/JDM MARINE . CMF/TMG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BISM2 - 8571421 - Bishops Head, MD 14 mi54 min ESE 4.1 G 5.1 76°F 83°F1017.9 hPa
CA2 - 8571892 - Cambridge, MD 26 mi54 min ESE 4.1 G 6 74°F 84°F1018.2 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 33 mi54 min SW 7 G 8 1019.1 hPa
SLIM2 - 8577330 - Solomons Island, MD 35 mi54 min W 6 G 7 76°F 84°F1018.6 hPa
OCIM2 - 8570283 - Ocean City Inlet, MD 37 mi54 min E 4.1 G 4.1 72°F 72°F1019.3 hPa
44062 - Gooses Reef, MD 39 mi42 min 76°F 82°F
PPTM2 - 8578240 - Piney Point, MD 40 mi54 min SSW 8 G 11
LWTV2 - 8635750 - Lewisetta, VA 41 mi54 min WSW 6 G 8 74°F 83°F1017.8 hPa
44089 43 mi58 min 69°F3 ft
WAHV2 - 8631044 - Wachapreague, VA 46 mi54 min S 9.9 G 15 75°F 82°F1017.8 hPa

Wind History for Bishops Head, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salisbury, Salisbury-Ocean City Wicomico County Regional Airport, MD16 mi30 minE 410.00 miOvercast73°F70°F90%1018.6 hPa
Cambridge-Dorchester Airport, MD23 mi29 minN 010.00 miPartly Cloudy73°F73°F100%1019 hPa

Link to 5 minute data for KSBY

Wind History from SBY (wind in knots)
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Last 24hrE3E3CalmSE4SE4CalmCalmCalmCalmS3NW4CalmE6E4E5SE6E10NE3E11E5E3E3SE4E4
1 day agoS7S6S5S5S5SW53W3E4CalmCalmN3NW7NE5N4N4N46SE9CalmSE4SE5SE4E5
2 days agoE3E3E5E6SE5SE6E6E7E14
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Tide / Current Tables for Whitehaven, Wicomico River, Chesapeake Bay, Maryland
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Whitehaven
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Thu -- 04:57 AM EDT     2.72 feet High Tide
Thu -- 06:10 AM EDT     Sunrise
Thu -- 08:53 AM EDT     Moonset
Thu -- 11:31 AM EDT     0.12 feet Low Tide
Thu -- 05:21 PM EDT     2.53 feet High Tide
Thu -- 08:07 PM EDT     Sunset
Thu -- 10:09 PM EDT     Moonrise
Thu -- 11:41 PM EDT     0.24 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.81.52.12.62.72.62.21.610.50.20.20.51.11.72.22.52.52.21.71.10.60.3

Tide / Current Tables for Salisbury, Maryland (2 miles below) Current
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Salisbury
Click for Map
Thu -- 02:54 AM EDT     0.75 knots Max Flood
Thu -- 06:09 AM EDT     Sunrise
Thu -- 06:10 AM EDT     -0.00 knots Slack
Thu -- 08:52 AM EDT     Moonset
Thu -- 09:17 AM EDT     -0.82 knots Max Ebb
Thu -- 12:51 PM EDT     0.00 knots Slack
Thu -- 03:17 PM EDT     0.48 knots Max Flood
Thu -- 06:05 PM EDT     -0.00 knots Slack
Thu -- 08:06 PM EDT     Sunset
Thu -- 09:18 PM EDT     -0.79 knots Max Ebb
Thu -- 10:08 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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00.40.70.70.60.40.1-0.3-0.7-0.8-0.8-0.6-0.300.30.50.40.30-0.3-0.6-0.8-0.8-0.6

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.
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Wind Forecast for Wakefield, VA (21,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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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.