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Marine Weather and Tide Forecast for Galesville, MD

April 18, 2025 2:58 AM EDT (06:58 UTC) Change Location
Sunrise 6:23 AM   Sunset 7:47 PM
Moonrise 12:00 AM   Moonset 8:31 AM 
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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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NOTE: Zones were updated 3/20/2025
ANZ532 Chesapeake Bay From Sandy Point To North Beach- 135 Am Edt Fri Apr 18 2025

.small craft advisory in effect from 10 am edt this morning through Saturday evening - .

Overnight - S winds 10 kt. Waves 1 ft.

Fri - S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

Fri night - S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

Sat - SW winds 15 to 20 kt. Waves 2 to 3 ft.

Sat night - SW winds 10 to 15 kt - .becoming W 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 to 2 ft.

Sun - N winds 5 to 10 kt. Waves 1 ft.

Sun night - E winds 5 kt. Waves less than 1 ft.

Mon - SE winds 5 to 10 kt - .becoming sw after midnight. Waves 1 to 2 ft. A chance of showers through the night.

Tue - W winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning.
ANZ500 135 Am Edt Fri Apr 18 2025

Synopsis for the tidal potomac and md portion of the chesapeake bay -
high pressure will move offshore tonight. A warm front will pass through the waters Friday before the next cold front approaches Saturday into Saturday night. The boundary will pass through the area Sunday before settling to our south early next week. Boaters should be aware of the threats of boating in cold water, even when air temperatures are warm. Visit weather.gov/safety/coldwater for more information.

7 Day Forecast for Marine Location Near Galesville, MD
   
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Tide / Current for Shady Side, West River, Maryland
  
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Shady Side
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Thu -- 01:35 AM EDT     0.23 feet Low Tide
Thu -- 06:26 AM EDT     Sunrise
Thu -- 08:12 AM EDT     1.32 feet High Tide
Thu -- 08:42 AM EDT     Moonset
Thu -- 03:52 PM EDT     0.34 feet Low Tide
Thu -- 07:45 PM EDT     Sunset
Thu -- 08:44 PM EDT     0.78 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Shady Side, West River, Maryland does not exist in database. Press Edit above and select a valid nearby location.

Shady Side, West River, Maryland, Tide feet
12
am
0.3
1
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0.2
2
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0.2
3
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0.3
4
am
0.5
5
am
0.8
6
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1
7
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1.2
8
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1.3
9
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1.3
10
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1.2
11
am
1
12
pm
0.8
1
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0.6
2
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0.5
3
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0.4
4
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0.3
5
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0.4
6
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0.5
7
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0.7
8
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0.8
9
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0.8
10
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0.7
11
pm
0.6

Tide / Current for Baltimore Harbor Approach, Maryland Current
  
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Baltimore Harbor Approach
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Thu -- 02:25 AM EDT     -0.43 knots Max Ebb
Thu -- 04:55 AM EDT     0.00 knots Slack
Thu -- 06:25 AM EDT     Sunrise
Thu -- 08:41 AM EDT     Moonset
Thu -- 08:50 AM EDT     0.94 knots Max Flood
Thu -- 12:25 PM EDT     -0.00 knots Slack
Thu -- 03:49 PM EDT     -0.85 knots Max Ebb
Thu -- 07:44 PM EDT     Sunset
Thu -- 07:49 PM EDT     0.00 knots Slack
Thu -- 10:00 PM EDT     0.30 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Baltimore Harbor Approach, Maryland Current does not exist in database. Press Edit above and select a valid nearby location.

Baltimore Harbor Approach, Maryland Current, knots
12
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-0.1
1
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-0.3
2
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-0.4
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-0.4
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-0.2
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0
6
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0.4
7
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0.7
8
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0.9
9
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0.9
10
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0.8
11
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0.5
12
pm
0.2
1
pm
-0.2
2
pm
-0.6
3
pm
-0.8
4
pm
-0.8
5
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-0.7
6
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-0.5
7
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-0.2
8
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0
9
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0.2
10
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0.3
11
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0.2

Area Discussion for Baltimore, MD/Washington
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FXUS61 KLWX 180000 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 800 PM EDT Thu Apr 17 2025

SYNOPSIS
High pressure will shift offshore Friday and Saturday. A warm front will lift through the region on Friday ahead of a cold front moving through Saturday night through Sunday. A low pressure system will move to the north early next week with high pressure briefly returning midweek.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/
Cloud cover is increasing this evening as a warm front approaches from the southwest. High clouds will become thicker overnight before thinning out by around daybreak Friday.

Overnight low temperatures will not be quite as cold as last night, dipping into the 40s, but this is still several degrees below normal for this time of year.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/
As surface high pressure shifts offshore, return flow ushers in warm air from the south and increased moisture. A warm front is forecast to lift through the forecast area on Friday as a cold front approaches from the west. Gradually warming temperatures can be expected Friday and Saturday, along with increased cloud cover. High temperatures on Friday will be in the 70s for most with those at higher elevations staying in the 60s. On Saturday, high temperatures will be in the 80s for most with those at higher elevations staying in the 70s.

In addition to gradually warming temperatures, a low pressure system will track NE from the Great Lakes on Saturday with the associated cold front set to approach the forecast area from the Ohio River Valley. As the cold front approaches, precipitation chances in the northwestern portions of the forecast area increase.

LONG TERM /SUNDAY THROUGH THURSDAY/
Deep ridging just off the Southeast U.S. coast on Sunday will drift offshore into the start of next week. The strength of this ridge likely keeps an approaching cold front well to our north, though a weak disturbance aloft could result in a few showers west of the Blue Ridge Sunday afternoon. Otherwise, a mostly dry and warm end to the weekend as highs reach the mid 70s to low 80s.

A strong upper trough and associated surface low pressure will move across the Midwest/Upper Great Lakes on Monday. As the low pressure system pulls away into Canada, the attached cold front is forecast to move across the Mid-Atlantic Monday afternoon into Monday night.
Given weak forcing and lingering dry air, rain chances look to be on the lower side at this time (30-40pct). High pressure builds in quickly behind the front Tuesday into Wednesday, likely bringing another few days of dry conditions.

Temperatures are forecast to be above normal into next week. Highs reach the mid to upper 70s each day, with 60s in the mountains, and around 70F along the MD/PA border. Overnight lows mostly in the 50s, with 40s in the mountains.

AVIATION /00Z FRIDAY THROUGH TUESDAY/
VFR conditions are expected through Saturday as high pressure shifts offshore. Winds become light and variable tonight before shifting to southerly on Friday, gusting 15 to 25 knots in the afternoon. LLWS is possible Fri night as an LLJ pivots overhead.
Winds diminish slightly on Saturday, blowing out of the southwest at around 10 knots.

VFR conditions are likely Sunday into Monday. Scattered showers possible Monday evening into Monday night, but coverage and intensity look to be low enough to prevent any significant disruption to the local terminals.

MARINE
A few southerly wind gusts to 15-20 knots are possible overnight mainly over the main channel of the Chesapeake Bay as high pressure moves offshore. Winds increase further Friday morning due to southerly channeling with a Small Craft Advisory in effect beginning at 10 AM. Southerly winds blowing between 15 and 20 knots with gusts up to 25 knots are expected. SCA criteria condtions likely persist through early Saturday evening.

Favorable marine conditions Sunday into the start of next week as high pressure south of the area remains in control. Winds are expected to shift from north to east, then southeast on Monday, all at 5-10 knots. A slight increase in winds is possible Monday night as gusts increase to around 15 knots, especially in the middle Chesapeake Bay.

LWX WATCHES/WARNINGS/ADVISORIES
DC...None.
MD...None.
VA...None.
WV...None.
MARINE...Small Craft Advisory from 10 AM Friday to 8 PM EDT Saturday for ANZ530>543.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
TPLM2 - Thomas Point, MD 6 mi58 minSSE 9.9G11 53°F 30.27
44063 - Annapolis 9 mi46 minS 7.8G9.7 51°F 53°F0 ft
APAM2 - 8575512 - Annapolis, MD 10 mi58 minESE 2.9G4.1 52°F 30.23
BSLM2 - Chesapeake Bay, MD 11 mi88 min0 42°F 30.2137°F
CPVM2 13 mi58 min 53°F 49°F
44062 - Gooses Reef, MD 21 mi46 minS 12G14 51°F 52°F1 ft
CXLM2 22 mi58 minS 4.1G7
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 25 mi58 minWSW 1.9G2.9 51°F 30.24
WASD2 - 8594900 - Washington, DC 26 mi58 minSE 1.9G4.1 53°F 56°F30.24
BLTM2 - 8574680 - Baltimore, MD 29 mi58 min0G0 49°F 53°F
TCBM2 - 8573364 - Tolchester Beach, MD 29 mi58 minSSE 2.9G5.1 50°F 30.24
CA2 - 8571892 - Cambridge, MD 31 mi58 minS 5.1G7 50°F 55°F30.27
COVM2 - 8577018 - Cove Point LNG Pier, MD 32 mi58 minS 11G12 53°F 30.25
SLIM2 - 8577330 - Solomons Island, MD 37 mi58 minSE 4.1G5.1 51°F 55°F30.24
NCDV2 45 mi58 minSE 4.1G5.1 52°F 59°F30.22


Wind History for Francis Scott Key Bridge NE Tower, MD
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GEOS Local Image of Mid-Atlantic  
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