Thursday, September23, 2021
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Marine Weather and Tides
Parole, MD

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:53AMSunset 7:02PM Thursday September 23, 2021 2:28 PM EDT (18:28 UTC) Moonrise 7:36PMMoonset 8:21AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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- 136 Pm Edt Thu Sep 23 2021
.small craft advisory in effect from 6 pm edt this evening through late tonight...
This afternoon..NW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
Tonight..NW winds 5 kt...increasing to 10 to 15 kt with gusts to 20 kt in the late evening and overnight. Waves 2 ft.
Fri..NW winds 5 to 10 kt. Waves 1 ft.
Fri night..NW winds 5 kt. Waves less than 1 ft.
Sat..NW winds 5 kt. Waves flat.
Sat night..SW winds 5 to 10 kt. Waves 1 ft.
Sun..W winds 5 to 10 kt. Waves 1 ft.
Mon..W winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 136 Pm Edt Thu Sep 23 2021
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A strong cold front will continue to push through the region this morning as high pressure gradually builds back in from the west. High pressure will remain in control for the weekend. However a weak cold front may cross the region Saturday night where small craft advisories may be required for portions of the waters.


7 Day Forecast for Marine Location Near Parole, MD
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location: 38.97, -76.55     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 231344 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 944 AM EDT Thu Sep 23 2021

SYNOPSIS. A strong cold front associated with an area of low pressure over the Great Lakes will continue to push through the region this morning through this afternoon, resulting in periods of heavy rainfall, gusty showers, and embedded thunderstorms. Meanwhile, high pressure will continue to build into the region as dry weather returns Friday into the weekend.

NEAR TERM /THROUGH TONIGHT/. Large upper level low continues to retrograde over the Great Lakes as an associated cold front continues to push through the region this morning. Latest radar imagery shows the last batch of heavy showers and embedded thunderstorms beginning to exit off into eastern MD. Latest hi-res guidance in conjunction with the latest obs shows this final band completely clearing the region within the next hour or so. Latest satellite imagery shows rapid clearing behind the front with some upslope clouds across the Alleghenies as a strong W/NW flow ensues.

Numerous Flood Warnings continue across the CWA currently. However with drying conditions continuing throughout the remainder of the day, don't anticipate any additional flooding issues. Will likely be dropping the Flash Flood Watch for the Baltimore and DC metro areas in the next few hours once the heavy rain has completely exited the area.

Cooler and drier conditions are expected today through this weekend with high temperatures this afternoon in the low 70s for most with some mid 50s across the higher terrain. Lows tonight will drop down into the mid 40s for most, slightly warmer across the metros.

SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/. . PREVIOUS DISCUSSION . Dry and seasonably cool on Friday with highs in the low to mid 70s as high pressure builds towards the region. This will continue into Friday night as well, with temps even a touch cooler than Thursday night.

Temps start to moderate a bit on Saturday as high pressure sets of to our southwest. Temperatures won't increase much, with highs closer to the mid 70s. With winds out of the southwest, temps overnight will trend upwards as well, increasing a few degrees compared to previous nights.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. High pressure will dominate over the region early next week with near or slightly below normal temperatures and dry conditions. Temperatures will moderate Tuesday as the aforementioned high shifts offshore and winds turning a touch more southerly. Tuesday will also feature our next chance of precipitation as a weak cold front drops southward toward the region. Latest guidance depicts scant moisture with this front, so will maintain low end chance POPs in the forecast for now. Cooler conditions return toward the middle of next behind the front as Canadian high pressure builds to our north.

AVIATION /13Z THURSDAY THROUGH MONDAY/. The last batch of showers and embedded thunderstorms continue to exit eastward. Latest radar imagery shows some partial clearing over BWI with the heaviest of the rain just east of MTN.

Elsewhere, conditions are either or quickly becoming VFR as the winds shift to the N/NW. VFR conditions are expected to continue through early next week as high pressure remains in control.

MARINE. Gale Warnings continue through the early afternoon for the lower Tidal Potomac and the Chesapeake Bay. A Small Craft Advisory remains in effect for the upper and middle Tidal Potomac. As a strong cold front continues to track eastward, gusty showers and thunderstorms are likely where the issuance of SMWs may be required, and even the potential for an isolated waterspout.

Northerly winds are expected to develop after the front moves through the region by Thursday afternoon and persist into Friday. Additional SCA was issued to cover this threat starting late tonight. SCA gusts possible in S channeling ahead of a front Sat PM before becoming NW with SCA gusts possible thru Sun.

Borderline SCA conditions possible Sunday under a westerly wind regime as high pressure builds mainly south of the waters. The gradient will relax Sunday night into Monday with continued light westerly breezes.

TIDES/COASTAL FLOODING. Tidal anomalies continue to run high thanks to strong onshore winds ahead of an approaching cold front. As a result, minor to moderate tidal flooding is occurring or forecast this morning at all tidal locations. Confidence in additional tidal flooding with subsequent high tide cycles this afternoon and evening decreases as winds will turn offshore as the front slowly crosses the area today. Additional updates to the forecast will certainly be needed later this morning as the timing of the front and wind shift becomes clearer, allowing anomalies to back off.

LWX WATCHES/WARNINGS/ADVISORIES. DC . Flash Flood Watch until 2 PM EDT this afternoon for DCZ001. Coastal Flood Warning until noon EDT today for DCZ001. MD . Flash Flood Watch until 2 PM EDT this afternoon for MDZ005-006- 008-011-503>508. Coastal Flood Advisory until 2 PM EDT this afternoon for MDZ011. Coastal Flood Warning until noon EDT today for MDZ014. Coastal Flood Advisory until 4 PM EDT this afternoon for MDZ508. VA . Flash Flood Watch until 2 PM EDT this afternoon for VAZ053-054- 506. Coastal Flood Advisory until noon EDT today for VAZ054. WV . None. MARINE . Small Craft Advisory until 9 PM EDT this evening for ANZ535- 536. Flash Flood Watch until 2 PM EDT this afternoon for ANZ535. Small Craft Advisory until 5 AM EDT Friday for ANZ530>533- 538>542. Gale Warning until noon EDT today for ANZ530>534-537>543. Small Craft Advisory until 10 AM EDT Friday for ANZ534-537-543.

SYNOPSIS . CJL/SOUZA NEAR TERM . SOUZA SHORT TERM . CJL LONG TERM . BKF AVIATION . SOUZA MARINE . BKF/CJL TIDES/COASTAL FLOODING . STAFF


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
APAM2 - 8575512 - Annapolis, MD 4 mi59 min W 2.9 G 8 68°F 78°F1011.2 hPa
44063 - Annapolis 5 mi35 min 67°F 76°F999.8 hPa
TPLM2 - Thomas Point, MD 8 mi29 min NW 1.9 G 2.9 66°F 76°F1012.5 hPa (+0.9)
CPVM2 9 mi59 min 67°F 63°F
BSLM2 - Chesapeake Bay, MD 16 mi59 min SSE 1 67°F 1011 hPa60°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 17 mi59 min WNW 5.1 G 6 67°F 1011.3 hPa
FSNM2 17 mi59 min W 5.1 G 7 67°F 1011.2 hPa
BLTM2 - 8574680 - Baltimore, MD 21 mi59 min WNW 1 G 2.9 69°F 77°F1010.8 hPa
TCBM2 - 8573364 - Tolchester Beach, MD 23 mi59 min NW 7 G 9.9 66°F 75°F1011.7 hPa
WASD2 - 8594900 - Washington, DC 26 mi59 min N 1.9 G 2.9 73°F 78°F1011.1 hPa
44062 - Gooses Reef, MD 29 mi35 min NW 5.8 G 9.7 66°F 77°F1 ft995.4 hPa
CA2 - 8571892 - Cambridge, MD 37 mi59 min NNW 9.9 G 12 65°F 76°F1011.8 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 40 mi59 min NW 8 G 11 67°F 1012.1 hPa
SLIM2 - 8577330 - Solomons Island, MD 45 mi59 min ENE 4.1 G 6 65°F 78°F1012 hPa

Wind History for Francis Scott Key Bridge NE Tower, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Annapolis, United States Naval Academy, MD4 mi35 minN 010.00 miOvercast68°F61°F78%1011.6 hPa
Fort Meade / Tipton, MD14 mi34 minW 410.00 miMostly Cloudy70°F61°F73%1011.8 hPa
Baltimore, Baltimore-Washington International Airport, MD16 mi35 minVar 310.00 miMostly Cloudy73°F59°F62%1010.7 hPa
Camp Springs / Andrews Air Force Base, MD20 mi33 minW 510.00 miMostly Cloudy71°F59°F64%1011.3 hPa
College Park Airport, MD20 mi54 minWNW 510.00 miOvercast72°F56°F57%1011.2 hPa

Link to 5 minute data for KNAK

Wind History from NAK (wind in knots)
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1 day agoSE4SE6E7E12E9E8E7SE12SE9SE11SE10SE6E4E7SE11SE10SE10SE11SE13SE15
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2 days agoE6SE11SE12E12E13E11E11E9E10E8E8E7E7E5E7E5E4NE4E5E6SE7E7SE6SE6

Tide / Current Tables for Edgewater, South River, Maryland
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Edgewater
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Thu -- 01:03 AM EDT     0.49 feet Low Tide
Thu -- 06:46 AM EDT     1.27 feet High Tide
Thu -- 06:55 AM EDT     Sunrise
Thu -- 09:21 AM EDT     Moonset
Thu -- 12:53 PM EDT     0.35 feet Low Tide
Thu -- 07:01 PM EDT     Sunset
Thu -- 07:24 PM EDT     1.43 feet High Tide
Thu -- 08:35 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.50.50.70.91.11.21.31.210.70.50.40.30.40.60.81.11.31.41.41.31.10.9

Tide / Current Tables for Baltimore Harbor Approach, Maryland Current
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Baltimore Harbor Approach
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Thu -- 01:32 AM EDT     -0.89 knots Max Ebb
Thu -- 04:47 AM EDT     0.00 knots Slack
Thu -- 06:54 AM EDT     Sunrise
Thu -- 07:35 AM EDT     0.70 knots Max Flood
Thu -- 09:21 AM EDT     Moonset
Thu -- 10:28 AM EDT     -0.00 knots Slack
Thu -- 01:32 PM EDT     -0.78 knots Max Ebb
Thu -- 04:28 PM EDT     0.00 knots Slack
Thu -- 07:00 PM EDT     Sunset
Thu -- 07:50 PM EDT     0.98 knots Max Flood
Thu -- 08:34 PM EDT     Moonrise
Thu -- 11:10 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.9-0.9-0.7-0.30.10.40.70.70.50.2-0.2-0.5-0.7-0.8-0.6-0.20.20.60.910.80.50.1

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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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