Friday, March5, 2021
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Marine Weather and Tides
Marlboro Meadows, 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 6:31AMSunset 6:05PM Friday March 5, 2021 2:37 PM EST (19:37 UTC) Moonrise 12:31AMMoonset 10:30AM Illumination 54% Phase: Third Quarter Moon; Moon at 22 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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ANZ532 Chesapeake Bay From Sandy Point To North Beach- 1240 Pm Est Fri Mar 5 2021
.small craft advisory in effect through Saturday afternoon...
This afternoon..NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Tonight..NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Sat..NW winds 10 kt with gusts to 20 kt. Waves 2 ft.
Sat night..NW winds 5 to 10 kt. Waves 1 ft.
Sun..NW winds 5 to 10 kt. Waves 1 ft.
Sun night..N winds 5 to 10 kt. Waves 1 ft.
Mon..SW winds 5 to 10 kt. Waves 1 ft.
Tue..S winds 5 to 10 kt. Waves 1 ft.
ANZ500 1240 Pm Est Fri Mar 5 2021
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will slowly build over the waters through Sunday before moving offshore during the early and middle portions of next week. A small craft advisory may be needed for portions of the waters Saturday night into early Sunday.


7 Day Forecast for Marine Location Near Marlboro Meadows, MD
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location: 38.89, -76.65     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 051936 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 236 PM EST Fri Mar 5 2021

SYNOPSIS. Strong Canadian high pressure over the Great Lakes will slowly migrate over the region through the weekend before becoming more concentrated over the Mid Atlantic by early next week. Dry and near seasonable temperatures are expected through the weekend before a warming trend ensues by the middle of next week as the high shifts offshore.

NEAR TERM /THROUGH TONIGHT/. Mostly clear skies and gusty northwest winds persist this afternoon with wind gusts ranging between 20 to 30 mph across the region. Albeit dry, cooler temperatures today compared to yesterday with highs in the low 40s across the metros, upper 30s over northern MD/ central VA, and upper 20s across the higher terrain. Winds will diminish some early this evening into the overnight hours.

SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/. A large upper level low continues to retrograde over the Canadian Maritimes through Saturday which will keep the surface high over the Great Lakes in place throughout most of the weekend. A cold and gusty NW flow continues through Saturday as a result of the tight gradient. The low will slowly begin to exit off into the North Atlantic Sunday which will allow the high to begin migrating southward over the CWA through early next week. Temperatures will remain just below normal for this time of year through the weekend with cold overnight lows in the 20s and daytime highs in the 40s for most with low 30s across the mountains. A warming trend is expected as we head into the middle of next week.

LONG TERM /MONDAY THROUGH THURSDAY/. The broad trough will move offshore Monday afternoon as a region of surface high pressure builds behind the trough. Staying dry Tuesday into Wednesday as upper-level quasi-zonal flow becomes more southwesterly and the surface high pressure moves off the coast of the Carolina's. High temperatures climb into the low 60s Tuesday and mid-upper 60s Wednesday. By Thursday, H5 heights could approach 575 dm and 850 temps close to 10 C. At the surface, this translates to high temperatures near 70 degrees on Thursday.

Embedded disturbances in the upper-level flow likely stay north of the FA through Wednesday. The opportunity for rain showers returns Wednesday night into Thursday, though some guidance keeps us dry into Thursday night.

AVIATION /20Z FRIDAY THROUGH WEDNESDAY/. VFR conditions are expected to continue through the weekend with high pressure in control. Gusty NW winds around 20-30 kts will continue this afternoon but are expected to diminish some this evening into the overnight hours. Similar conditions are expected Saturday with lesser wind gusts expected Sunday into Monday. VFR conditions and light winds are likely Monday into Tuesday as high pressure builds nearby.

MARINE. Low pressure over eastern Canada and high pressure over the Great Lakes will allow for gusty northwest winds over the waters through Saturday. An SCA is in effect for all of the waters through this evening. The SCA remains in effect overnight for the lower Tidal Potomac River and middle portion of the Bay, before picking back up for all of the waters Saturday. As winds subside going into Sunday chances for additional SCA diminish but may be required at least for portions of the waters late this weekend. Winds likely remain sub-SCA criteria Monday into Tuesday.

FIRE WEATHER. Dry weather will persist through Saturday and the RH values will be low each day (teens and 20s today, and teens/20s over central VA Saturday with 20s and 30s across the rest of the area Saturday). Gusty northwest winds are expected during this time as well, with frequent gusts around 20 to 30 mph for most areas today and 15 to 25 mph for Saturday. As fuels continue to dry out over the next few days, the meteorological conditions may enhance the threat for the spread of wildfires.

Confidence is too low at this time for any headlines since the soils are likely holding onto some moisture due to recent rain and snowmelt, and it will remain chilly as well.

Dry conditions with low humidity will likely continue for Sunday and Monday, but winds should be less due to high pressure building overhead.

Warmer conditions are expected for the middle portion of next week, but there will likely be more atmospheric moisture.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory until 6 PM EST Saturday for ANZ531>534- 537-539>541-543. Small Craft Advisory until midnight EST tonight for ANZ530-535- 536-538-542. Small Craft Advisory from 8 AM to 6 PM EST Saturday for ANZ530- 535-536-538-542.

SYNOPSIS . MSS NEAR TERM . MSS SHORT TERM . MSS LONG TERM . CPB AVIATION . MSS/CPB MARINE . MSS/CPB FIRE WEATHER .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BSLM2 - Chesapeake Bay, MD 8 mi67 min N 11 38°F 1017 hPa9°F
APAM2 - 8575512 - Annapolis, MD 11 mi49 min 38°F 1016.1 hPa
TPLM2 - Thomas Point, MD 11 mi37 min W 19 G 21 36°F 40°F1017.5 hPa (-2.3)6°F
CPVM2 16 mi49 min 38°F 12°F
WASD2 - 8594900 - Washington, DC 20 mi49 min NW 13 G 25 39°F 44°F1017.9 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 24 mi49 min WNW 20 G 26 37°F 1016 hPa
FSNM2 24 mi49 min W 24 G 31 36°F 1015.4 hPa
44062 - Gooses Reef, MD 26 mi37 min WNW 16 G 19 37°F 39°F2 ft1010.5 hPa
BLTM2 - 8574680 - Baltimore, MD 26 mi49 min NNW 9.9 G 16 38°F 41°F1016.2 hPa
TCBM2 - 8573364 - Tolchester Beach, MD 31 mi49 min NW 17 G 20 36°F 41°F1016.5 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 37 mi49 min NW 17 G 25 36°F
CA2 - 8571892 - Cambridge, MD 38 mi49 min WNW 17 G 22 36°F 41°F1016.6 hPa
SLIM2 - 8577330 - Solomons Island, MD 41 mi49 min NNW 13 G 20 38°F 42°F1016.9 hPa
NCDV2 44 mi49 min WNW 6 G 14 41°F 43°F1017.4 hPa

Wind History for Washington, DC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Annapolis, United States Naval Academy, MD11 mi43 minWNW 11 G 2210.00 miFair39°F11°F31%1016.6 hPa
Camp Springs / Andrews Air Force Base, MD12 mi41 minWNW 18 G 2510.00 miFair and Breezy39°F10°F29%1017.5 hPa
Fort Meade / Tipton, MD15 mi42 minWNW 14 G 2110.00 miFair41°F12°F31%1017.6 hPa
College Park Airport, MD16 mi42 minW 12 G 2010.00 miFair39°F5°F24%1017.3 hPa
Bay Bridge Field, MD18 mi42 minNW 14 G 2410.00 miFair39°F10°F30%1016.6 hPa
Washington/Reagan National Airport, DC, VA20 mi45 minWNW 18 G 2610.00 miA Few Clouds and Breezy42°F11°F28%1017.7 hPa
Baltimore, Baltimore-Washington International Airport, MD21 mi43 minW 18 G 3410.00 miFair and Breezy40°F10°F29%1016.3 hPa

Link to 5 minute data for KNAK

Wind History from NAK (wind in knots)
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1 day agoW65SE7SE3CalmCalmCalmCalmCalmCalmCalmNW3NW4NW6NW4NW6NW4NW9NW9NW10
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2 days agoNW8NW8SE9SE8S5S5S3CalmCalmS3S3S4CalmCalmCalmCalmCalmSW5----------E8

Tide / Current Tables for Rhode River (County Wharf), Maryland
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Rhode River (County Wharf)
Click for Map
Fri -- 12:31 AM EST     Moonrise
Fri -- 02:45 AM EST     -0.19 feet Low Tide
Fri -- 06:32 AM EST     Sunrise
Fri -- 09:32 AM EST     1.25 feet High Tide
Fri -- 10:30 AM EST     Moonset
Fri -- 04:43 PM EST     0.09 feet Low Tide
Fri -- 06:03 PM EST     Sunset
Fri -- 08:32 PM EST     Last Quarter
Fri -- 09:42 PM EST     0.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.2-0-0.2-0.2-0.10.10.40.81.11.21.21.10.90.70.40.30.10.10.20.40.60.70.70.6

Tide / Current Tables for Baltimore Harbor Approach, Maryland Current
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Baltimore Harbor Approach
Click for Map
Fri -- 12:03 AM EST     -0.00 knots Slack
Fri -- 12:30 AM EST     Moonrise
Fri -- 03:16 AM EST     -0.70 knots Max Ebb
Fri -- 06:10 AM EST     0.00 knots Slack
Fri -- 06:31 AM EST     Sunrise
Fri -- 09:53 AM EST     1.09 knots Max Flood
Fri -- 10:29 AM EST     Moonset
Fri -- 01:31 PM EST     -0.00 knots Slack
Fri -- 04:42 PM EST     -0.85 knots Max Ebb
Fri -- 06:02 PM EST     Sunset
Fri -- 08:24 PM EST     0.00 knots Slack
Fri -- 08:32 PM EST     Last Quarter
Fri -- 10:39 PM EST     0.37 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.3-0.6-0.7-0.6-0.4-0.10.40.711.110.70.2-0.2-0.6-0.8-0.8-0.7-0.4-0.10.20.30.4

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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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