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Marine Weather and Tides Naval Academy, 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.

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Sunrise 6:17AM

Sunset 7:51PM

Thursday April 22, 2021 9:46 PM EDT (01:46 UTC)

Moonrise 1:40PM

Moonset 3:05AM

Illumination 85%

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.

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7 Day Forecast for Marine Location Near Naval Academy, MD

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Area Discussion for - Baltimore, MD/Washington

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FXUS61 KLWX 230046 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 846 PM EDT Thu Apr 22 2021

SYNOPSIS. High pressure will settle over the Carolinas through Friday. Low pressure will pass through central or southern Virginia and Maryland this weekend, then high pressure will return early next week.

NEAR TERM /THROUGH FRIDAY/.

The persistent wind gusts of 25 to 30 knots that were ongoing have subsided as the sun has set. Winds continue out of west to northwest with skies slowly clearing. As skies clear and winds become light, decoupling will allow to temperatures to drop down near to below freezing as dewpoints hover in the 20s. Freeze warnings and frost advisories are in effect for most of the region.

.Previous Discussion

A deep upper-level low is spinning over northern New England with a trailing trough axis pivoting over the Middle Atlantic. A weak surface trough is evident near I-95 marked by little more than a drop in dew point temperatures.

Northwesterly breezes should subside rather quickly this evening with the onset of nocturnal cooling and as the better pressure gradient begins to lift away. With the departing trough, expect clearing conditions overnight as well. This is expected to result in widespread temperatures near or a few degrees below freezing and areas of frost overnight.

SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/. High pressure will settle over the Carolinas Friday before moving offshore Friday night. Temperatures will moderate rather noticeably with highs well into the 60s expected.

Clouds will begin to increase late Friday night well ahead of low pressure approaching from the central US. This should keep temperatures milder compared to previous nights with no additional frost or freeze concerns anticipated.

Low pressure is expected to track near or just south of the area over the weekend bringing a soaking rain. There remains some uncertainty as to the exact rainfall amounts, but a general average of half to one inch looks most likely Saturday afternoon and night. Slightly higher amounts could result in some minor flooding issues, but that threat should be mitigated due to the recent dry weather. A slightly further north track of the low would draw some marginally unstable air and the threat for a few gusty thunderstorms into southern parts of the CWA, but the threat for that looks low as well at the moment.

LONG TERM /SUNDAY THROUGH THURSDAY/. Low pressure will exit the region Sunday morning which may result in some residual damp conditions during the early morning hours. However, high pressure will quickly build back into the region. Therefore, do expect conditions to quickly dry out by the midday. Winds will also become quite gusty Sunday afternoon as a result of a tightening pressure gradient.

Thereafter, the high will gradually slide southward from the Great Lakes region which will keep the region dry through midweek. As the high migrates further south, a warming trend will ensue as a result of southerly flow. Temperatures will begin to gradually warm during this time as we will likely see summer-like temperatures by Wednesday.

AVIATION /01Z FRIDAY THROUGH TUESDAY/. W/NW gusts of 25 to 30 kt should diminish quickly this eve, w/ additional gusts of 20 to 25 kt possible for northern terminals Friday. Low pressure will approach Saturday bringing rain and sub-VFR conditions as well as a more southerly wind.

CIG/VSBY restrictions are likely to persist early Sunday morning. However do expect conditions to quickly return to VFR by midday Sunday. Gusty NW winds will develop by Sunday afternoon as a result of a tightening gradient. High pressure will remain in control throughout much of next week, resulting in continued VFR conditions.

MARINE. West to northwest wind gusts should diminish steadily overnight, though another uptick is possible Friday. The Small Craft Advisory may need to be extended/expanded as a result.

Low pressure will approach Saturday with rain arriving later in the day. The wind will turn more southerly ahead of low pressure, and could become gusty over the lower tidal Potomac River and middle portion of the Chesapeake Bay.

SCA to perhaps Gale conditions are likely Sunday as a result of a tightening gradient between the departing low offshore and high pressure building back into the region. Sub-SCA conditions are likely to persist throughout the remainder of next week as high pressure regains control.

FIRE WEATHER. Min RH of 25-35% and wind gusts of 15-25 MPH are possible Friday afternoon. Despite recent green-up, 10-hr fuel moistures are running 7-12%. This may aid in the potential for rapid fire spread during this time. A soaking rain should bring that threat to a quick end over the weekend.

LWX WATCHES/WARNINGS/ADVISORIES. DC . Frost Advisory from 2 AM to 9 AM EDT Friday for DCZ001. MD . Freeze Warning from 2 AM to 9 AM EDT Friday for MDZ003>006- 503>507. Frost Advisory from 2 AM to 9 AM EDT Friday for MDZ008-011-013- 014-016>018-508. VA . Freeze Warning from 2 AM to 9 AM EDT Friday for VAZ025>031- 036>040-050>053-055-056-501-502-505>508. Frost Advisory from 2 AM to 9 AM EDT Friday for VAZ054-057. WV . Freeze Warning from 2 AM to 9 AM EDT Friday for WVZ051>053. MARINE . Small Craft Advisory until 6 AM EDT Friday for ANZ530>534- 536>543. Small Craft Advisory until midnight EDT tonight for ANZ535.

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

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
APAM2 - 8575512 - Annapolis, MD	1 mi	47 min	W 4.1 G 7	47°F	56°F		1016.8 hPa (+1.5)
44063 - Annapolis	2 mi	29 min	5.8 G 12	46°F	53°F		1019.1 hPa
CPVM2	4 mi	47 min		48°F				26°F
TPLM2 - Thomas Point, MD	7 mi	47 min	WNW 8 G 8.9	48°F	53°F		1018.2 hPa (+1.6)	20°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD	16 mi	47 min	WNW 8.9 G 9.9	48°F			1017 hPa (+1.9)
FSNM2	16 mi	47 min	W 8.9 G 12	47°F			1016.6 hPa (+1.8)
BSLM2 - Chesapeake Bay, MD	19 mi	77 min	N 1.9	47°F			1016 hPa	20°F
BLTM2 - 8574680 - Baltimore, MD	20 mi	47 min	NW 1.9 G 6	48°F	55°F		1016.6 hPa (+1.5)
TCBM2 - 8573364 - Tolchester Beach, MD	20 mi	47 min	NNW 8.9 G 14	48°F	54°F		1017.3 hPa (+1.9)
44062 - Gooses Reef, MD	30 mi	29 min	14 G 18	47°F	54°F	1 ft	1019.1 hPa
WASD2 - 8594900 - Washington, DC	30 mi	47 min	W 4.1 G 5.1	49°F	59°F		1017.7 hPa (+1.3)
CA2 - 8571892 - Cambridge, MD	36 mi	47 min	W 7 G 15	50°F	56°F		1017.2 hPa (+1.6)
COVM2 - 8577018 - Cove Point LNG Pier, MD	41 mi	47 min	W 5.1 G 7	48°F			1017.3 hPa (+1.5)
SLIM2 - 8577330 - Solomons Island, MD	46 mi	47 min	NW 5.1 G 7	49°F	56°F		1017.4 hPa (+1.6)

Wind History for Francis Scott Key Bridge NE Tower, MD

(wind in knots)    EDIT      (on/off)   Help

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Last 24hr

NW19 G23

NW23

W17 G26

W25

W28

W20 G25

W17 G23

W13 G16

SW10 G14

SW10 G14

W19 G26

W16 G20

W22 G27

NW26

W23 G28

W21 G29

W26 G35

W20 G26

W26 G32

W30

NW21 G27

W17 G22

W15

W9 G12

1 day ago

S15 G20

S14 G19

S16 G21

S13 G20

S12 G16

S10 G14

S9 G17

S10 G17

SW9 G15

SW9 G17

SW7 G16

SW7 G13

SW7 G15

W22 G27

NW30

W30

W33 G40

W33

NW32

NW24 G30

NW23

2 days ago

SW1 G5

SW1 G6

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SW3 G6

SW3 G6

SW3 G7

SW5 G10

SW5 G8

SW2 G6

SW6

SW7 G10

SW9

SW6 G12

S2 G10

SE16

S17

S17 G23

S17 G25

S20

S19 G25

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Annapolis, United States Naval Academy, MD	1 mi	53 min	W 4	10.00 mi	Fair	47°F	19°F	33%	1017.3 hPa
Baltimore, Baltimore-Washington International Airport, MD	17 mi	53 min	Var 4	10.00 mi	Partly Cloudy	45°F	18°F	34%	1016.9 hPa
Fort Meade / Tipton, MD	17 mi	52 min	N 0	10.00 mi	Partly Cloudy	41°F	27°F	57%	1017.9 hPa
Baltimore / Martin, MD	24 mi	53 min	WNW 7 G 10	10.00 mi	Mostly Cloudy	45°F	19°F	37%	1016.9 hPa
Camp Springs / Andrews Air Force Base, MD	24 mi	51 min	WNW 6	10.00 mi	Fair	46°F	20°F	35%	1017.7 hPa
College Park Airport, MD	24 mi	72 min	W 3	10.00 mi	Fair	46°F	13°F	26%	1016.9 hPa

Link to 5 minute data for KNAK

Wind History from NAK (wind in knots)

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W6

W8

NW8 G23

W10 G20

W15 G27

W7 G19

W5

SW3

W4

W3

SW6

W11

6 G18

W12 G26

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W10 G21

W13 G28

W10 G28

W15 G27

W11 G24

W13 G26

NW9 G18

W8

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1 day ago

S17 G26

S12 G23

S12 G20

S8

S8

S7

S7

SE6

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S9 G14

SW7

SW7

SW7 G16

S8

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NW14 G23

W11 G22

NW17 G28

NW21 G34

NW19 G34

NW12 G25

W13 G27

NW15 G24

W9 G20

2 days ago

Calm

SW3

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Calm

Calm

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3

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SE11

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SE11 G19

SE15

S14 G25

SE13 G21

S15 G28

S13 G22

S17 G31

S15 G25

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Tide / Current Tables for U.S. Naval Academy, Annapolis, Maryland

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Tide / Current Tables for Baltimore Harbor Approach, Maryland Current

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Weather Map

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GEOS Local Image of    EDIT
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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