Sunday, March7, 2021
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Marine Weather and Tides
Millington, MD

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 6:24AMSunset 6:03PM Sunday March 7, 2021 12:49 PM EST (17:49 UTC) Moonrise 2:46AMMoonset 12:07PM Illumination 34% Phase: Waning Crescent; Moon at 24 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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ANZ530 Chesapeake Bay North Of Pooles Island- 1200 Pm Est Sun Mar 7 2021
Rest of today..NW winds 10 kt. Waves 1 ft.
Tonight..N winds 5 to 10 kt. Waves 1 ft or less.
Mon..W winds 5 kt. Waves flat.
Mon night..SW winds 5 kt. Waves less than 1 ft.
Tue..W winds 5 kt. Waves less than 1 ft.
Tue night..SE winds around 5 kt. Waves flat.
Wed..S winds 5 to 10 kt. Waves 1 ft or less.
Thu..SW winds 10 to 15 kt. Waves 1 ft.
ANZ500 1200 Pm Est Sun Mar 7 2021
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will build in from the northwest today and Monday, then gradually migrate offshore during the middle portion of the week. A small craft advisory may be needed for portions of the waters Wednesday night into Thursday.


7 Day Forecast for Marine Location Near Millington, MD
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location: 39.26, -75.84     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 071526 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 1026 AM EST Sun Mar 7 2021

SYNOPSIS. Another trough will cross the region on Sunday into Monday before upper level low pressure in the Canadian maritimes finally moves off into the North Atlantic. High pressure and dry weather will then dominate through the middle of next week, with a warming trend. A cold front will approach and cross through the region Friday into Saturday.

NEAR TERM /THROUGH TONIGHT/. The surface low and cut-off upper-level trough to our northeast across Newfoundland and Labrador continues to slowly fill and drift towards Greenland with unimpressive speed. With a strong ridge and elongated surface high extending from the Plains region into the Prairie Provinces of Canada, this continues to direct northwest flow straight from the Hudson Bay region, maintaining our below-average trend.

Plentiful sunshine will increase our highs a touch compared to Saturday, but it won't be much under the domination of the continued northwesterly flow and continued, albeit weaker, cold air advection. Highs will make it into the upper 30s to lower 40s on the Coastal Plain.

Changes begin to take place tonight into the day Monday as the surface high shifts across the Great Lakes towards New England and the Canadian Maritime Provinces. This will introduce a more zonal 850 mb flow, which will gradually turn southwesterly into Monday as return flow moves into the region. With clearer skies tonight and weaker winds, temps should drop moreso than last night as more efficient radiational cooling takes place. Thus, one more chilly night is in store as lows look to drop into the teens north of I-76 and and the low 20s to the south.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/. There was a trend with most of the latest operational models towards faster timing in the main mid level trough clearing out of the region (this comes as some of the 12Z models yesterday trended slower). However, some of the latest operational models also trended further south with a separate mid level short wave trough on Monday night, which could now (briefly) bring a secondary surge of colder air (especially at 850 mb and higher) Monday night. Despite these differences for the mid level pattern, do not expect much in the way of significant impacts for the forecast.

At this point it looks like we will have dry weather both Monday and Tuesday. However, if the secondary short wave trough on Monday night digs further south, light snow showers would be possible primarily along and north of the I-78 corridor. For now though, expect the best lift, and thus any chances of precip to remain north of our area.

Monday, with low level northwesterly flow persisting for much of the day, will once again be colder than normal, with highs in the 30s and 40s. The low level southwesterly flow should develop Monday night, and with both mid level troughs east of the area by Tuesday morning, 1000-500 mb thicknesses should increase as the mid level ridge builds east. Despite all the differences in the mid level pattern mentioned above, the latest operational models still depict 850 mb temps slightly above 0C. So expect temperatures on Tuesday to be in the 50s to lower 60s (which is 5 to 10 degrees above normal, but not as warm as the forecast for Wednesday).

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Overview: Tranquil weather continues through Thursday. A cold front approaching the region Thursday night through Friday night could bring the next chance for precipitation to the region.

Details:

Wednesday and Thursday . low level southerly and southwesterly flow continues as the surface high shifts east of the region and the mid level short wave ridge crosses our region Wednesday. Consequently, expect these to be the warmest days of the week with highs mostly in the 60s, except in the higher terrain of the southern Poconos and NW NJ where highs in the upper 50s are expected. Many operational models trended slightly slower with the cold front, so though I kept a slight chance for rain showers in the southern Poconos Thursday afternoon, if this trend holds the region will stay dry through the day.

Thursday night through Saturday . The cold front approaches and then crosses the region through this time. A mid level short wave trough will also slide east as it fills and weakens through this period. As with the previous shift, it appears that any precipitation with this front will be light and mostly within the warm sector (in other words, mostly rain). So I don't anticipate any significant impacts from the precipitation. Temperatures though will be trending lower. Given the slightly slower trend with the front, we may see one more day with temperatures in the upper 50s/lower 60s on Friday. However, by Saturday, temperatures should be back to near normal, with highs in the 40s and 50s.

AVIATION /15Z SUNDAY THROUGH THURSDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Today and tonight . VFR with northwesterly winds from 5 to 10 knots with a few gusts to 15 knots. High confidence.

Outlook .

Monday . VFR conditions expected. Winds gradually shifting from northwesterly to southwesterly at 5 to 10 kt. High confidence.

Tuesday . VFR conditions expected. Southwesterly wind 5 to 10 kt becoming light and variable Tuesday night. High confidence.

Wednesday . VFR conditions expected. Southerly wind 5 to 15 kt. High confidence.

Thursday . VFR conditions expected, though clouds may thicken and lower especially late in the day. Southwesterly wind 10 to 15 kt with gusts to 20 kt. Moderate confidence.

MARINE. Sub-advisory conditions expected on the coastal waters and across the bay as northwest flow continues with gusts generally at 15 knots or less. Seas from 2 to 4 feet. Seas likely to be somewhat choppy with short periods of 3 to 4 seconds through tonight.

Outlook .

Monday through Wednesday . Winds and seas should stay below SCA criteria.

Thursday . Wind gusts near 25 kt and seas 5 to 6 ft are possible, primarily on the Atlantic coastal waters.

FIRE WEATHER. The dry period will continue through mid week. At this point, it looks like wind speeds should stay low enough to preclude significant fire weather concerns. However, Monday should have very dry conditions with RH levels dropping near to below 30%, and Tuesday through Thursday will be much warmer than normal with highs in the 60s.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . None.

Synopsis . Johnson Near Term . Davis/Deal Short Term . Johnson Long Term . Johnson Aviation . Davis/Johnson Marine . Davis/Johnson Fire Weather . WFO PHI


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHCM2 - 8573927 - Chesapeake City, MD 19 mi49 min NW 7 G 8.9 38°F 40°F1028.2 hPa (+0.0)
TCBM2 - 8573364 - Tolchester Beach, MD 22 mi49 min WSW 1.9 G 5.1 36°F 40°F1028.9 hPa (+0.0)
RDYD1 - 8551910 - Reedy Point, DE 25 mi49 min 38°F 39°F1027.3 hPa (+0.0)
SJSN4 - 8537121 - Ship John Shoal, NJ 25 mi49 min WNW 8 G 9.9 35°F 38°F1028.7 hPa (+0.0)
DELD1 - 8551762 - Delaware City, DE 26 mi49 min WNW 8 G 12 38°F 1027.8 hPa (+0.0)
CPVM2 34 mi49 min 36°F 19°F
FSNM2 36 mi49 min WNW 8 G 9.9 36°F 1027.8 hPa (+0.0)
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 37 mi49 min NW 6 G 8 37°F 1028.6 hPa (+0.0)
APAM2 - 8575512 - Annapolis, MD 39 mi49 min WNW 8.9 G 11 38°F 39°F1028.2 hPa (+0.0)
BLTM2 - 8574680 - Baltimore, MD 39 mi49 min NE 5.1 G 11 37°F 40°F1028.1 hPa (+0.0)
TPLM2 - Thomas Point, MD 40 mi49 min NE 4.1 G 5.1 35°F 40°F1029.6 hPa (+0.0)18°F
BRND1 - 8555889 - Brandywine Shoal Light, DE 43 mi49 min N 6 G 7 1028.8 hPa (+0.4)
MRCP1 - 8540433 - Marcus Hook, PA 44 mi49 min 38°F 41°F1027.2 hPa (-0.3)
CA2 - 8571892 - Cambridge, MD 49 mi49 min W 7 G 8.9 36°F 41°F1028.7 hPa (+0.0)

Wind History for Chesapeake City, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Dover Air Force Base, DE21 mi53 minNW 710.00 miFair40°F19°F42%1028.5 hPa
Phillips Army Air Field / Aberdeen, MD23 mi51 minN 09.00 miFair40°F15°F36%1028.5 hPa

Link to 5 minute data for KDOV

Wind History from DOV (wind in knots)
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Tide / Current Tables for Millington, Maryland
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Millington
Click for Map
Sun -- 02:46 AM EST     Moonrise
Sun -- 02:55 AM EST     1.36 feet High Tide
Sun -- 06:26 AM EST     Sunrise
Sun -- 09:40 AM EST     -0.28 feet Low Tide
Sun -- 12:06 PM EST     Moonset
Sun -- 03:58 PM EST     2.40 feet High Tide
Sun -- 06:02 PM EST     Sunset
Sun -- 11:55 PM EST     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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0.40.81.21.41.210.60.2-0.1-0.2-0.3-00.51.11.82.32.42.32.11.81.410.60.3

Tide / Current Tables for Chesapeake and Delaware Canal, Maryland/Delaware Current
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Chesapeake and Delaware Canal
Click for Map
Sun -- 01:17 AM EST     1.77 knots Max Flood
Sun -- 02:47 AM EST     Moonrise
Sun -- 03:37 AM EST     -0.09 knots Slack
Sun -- 06:26 AM EST     Sunrise
Sun -- 07:23 AM EST     -2.17 knots Max Ebb
Sun -- 11:30 AM EST     0.04 knots Slack
Sun -- 12:05 PM EST     Moonset
Sun -- 02:18 PM EST     2.06 knots Max Flood
Sun -- 06:02 PM EST     Sunset
Sun -- 06:11 PM EST     -0.04 knots Slack
Sun -- 08:10 PM EST     -1.22 knots Max Ebb
Sun -- 11:07 PM EST     0.05 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.71.71.1-0.8-1.5-1.9-2.1-2.1-1.9-1.5-0.911.7221.71.20.5-1-1.2-1.1-0.8-0.3

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