Long Beach, MD Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Long Beach, MD


September 23, 2023 9:22 AM EDT (13:22 UTC)
Sunrise 6:55AM   Sunset 7:05PM   Moonrise  2:37PM   Moonset 11:42PM 

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. Privacy and Cookie policy

Marine Forecasts
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ANZ533 Chesapeake Bay From North Beach To Drum Point- 746 Am Edt Sat Sep 23 2023
.tropical storm warning in effect...
Today..NE winds 30 kt with gusts to 50 kt. Waves 6 ft...except around 4 ft near the mouth of the choptank. Rain with isolated tstms. Vsby 1 to 3 nm.
Tonight..NE winds 25 to 35 kt...becoming E 20 to 25 kt with gusts to 30 kt after midnight, then becoming se 10 to 15 kt with gusts to 25 kt late. Waves 5 ft. Rain. Vsby 1 to 3 nm.
Sun..S winds 10 to 15 kt...becoming sw in the afternoon. Gusts up to 20 kt. Waves 2 ft. Rain.
Sun night..NW winds 10 kt. Waves 1 ft.
Mon..N winds 10 kt. Waves 1 ft. A chance of showers.
Mon night..NE winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance of showers.
Tue..NE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers.
Wed..NE winds 10 to 15 kt. Waves 2 ft. A chance of showers.
winds and waves higher and visibilities lower in and near tstms.

ANZ500 746 Am Edt Sat Sep 23 2023
Synopsis for the tidal potomac and md portion of the chesapeake bay..
tropical storm ophelia will approach the area from the south, moving across the mid-atlantic this weekend. Strong wind gusts in excess of 40 to 50 knots are expected over the waters through Sunday morning. The remnant low pressure system will move north of the area by late Sunday, with high pressure building in from the north by Monday, continuing through mid-week. Small craft advisories will likely be needed Sunday, and again early next week.


7 Day Forecast for Marine Location Near Long Beach, MD
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Area Discussion for - Baltimore, MD/Washington
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NOTE: mouseover dotted underlined text for definition
FXUS61 KLWX 230800 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 400 AM EDT Sat Sep 23 2023

SYNOPSIS
Tropical Storm Ophelia will approach the area from the south this morning, then move across the Mid-Atlantic through the weekend. The remnants of Ophelia will exit by late Sunday, with high pressure building in from the north for the early to middle portions of next week.

NEAR TERM /THROUGH TONIGHT/
As of 07Z/3 AM, Tropical Storm Ophelia has maintained its near hurricane force status while approaching the southeastern North Carolina coast. Locally, a slew of outer rainbands extend well away from the circulation center, many of which have begun to move through the region. 3-hour rainfall totals remain paltry, generally averaging between 0.05-0.10 inches. There is a locally heavier maxima across St. Mary's County where 0.25-0.50 inches has been observed per gauge data. Overall wind fields remain gusty given the pressure gradient formed by Ophelia off the Carolinas and high pressure around New England. The strongest northerly winds have been confined to the waterways with 30 to 40 mph gusts observed. Some coastal locations along the Chesapeake Bay have seen gusts up to 20 to 30 mph.

Throughout the day, temperatures should largely remain steady leading to a low diurnal range today. A steady light to moderate rainfall can be expected, accompanied by occasional breaks here and there. From the 00Z HRRR mean, the 6-hour probability- matched mean output favors the highest rainfall totals from I-95 eastward, as well as the east-facing slopes of the Blue Ridge.
Across such areas, 1 to 2 inches of rainfall (locally up to 3 inches) is possible through this evening. Although Tropical Storm Ophelia will weaken after landfall, its circulation could still pose a low end tornado threat. Most notably, this would occur in advance of, and near the center of the cyclone. A brief tornado cannot be ruled out over southern Maryland late this afternoon into the evening. Otherwise, gusty winds will be the big story across the Blue Ridge and along the I-95 corridor and points eastward. Wind Advisories are in effect across these areas along with Tropical Storm Warnings over St. Mary's and Calvert counties. Wind gusts of 45 to 55 mph are expected at times which could lead to power outages, downed trees, and damage to property.

Heading into the late evening and overnight hours, a secondary uptick in rainfall is likely with Ophelia's center nearby.
High-resolutions models have some spatial spread, but the consensus would place the heaviest rainfall near the D.C. metro and points southward. While the system should be rapidly weakening, its enhanced moisture plume (1.75 to 2.00 inch PWATs)
will remain in the picture. Given the long duration of the event and longstanding drought conditions in place, most of the rainfall should be beneficial in nature. However, urbanized areas and locations with fast responding creeks/small streams could see isolated flooding issues. Overall wind fields should be decreasing into the night which allows the Wind Advisories to drop off.

In terms of temperatures, the mentioned low diurnal spread in today's high/low temperatures will be quite pronounced. Most will see high temperatures confined to the low/mid 60s, with low 70s over far southern Maryland and 50s across the mountains. At night, low temperature fall off by around 3 to 8 degrees given extensive cloud cover and rainfall.

SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/
Based on the National Hurricane Center forecast, Ophelia should have diminished to a tropical depression or remnant low. Winds considerably decrease although the threat for showers persist near and ahead of the circulation. High-resolution models carry a swath of enhanced precipitation up toward northeastern Maryland through Sunday afternoon. This would favor a storm total around 2 to 4 inches across the Blue Ridge and along/east of I-95, locally approaching 5 inches in spots. Like the preceding day, clouds will be plentiful. Mid/upper 60s are expected for most, with 50s for mountain locales. Winds become more northwesterly in the wake of the system which should usher in some drier air. However, some showers are possible during the second half of the day, especially from U.S. 50 northward. A few showers may linger into the overnight. Forecast lows range from the low/mid 50s west of the Blue Ridge, to mid 50s to low 60s elsewhere.

As what remains of Ophelia's circulation exits the area, renewed troughing from the west does keep showers in the forecast on Monday. Mostly cloudy skies are in the forecast, accompanied by high temperatures in the mid/upper 60s. A few readings in the low 70s are possible across the more southern locations.
Seasonably cool conditions can be expected overnight with plenty of clouds and additional shower chances.

LONG TERM /TUESDAY THROUGH FRIDAY/
The longwave pattern across North America will remain rather stagnant through much of next week, with troughing across the Pacific Northwest into the western half of Canada, and a broad blocking upper ridge downstream across eastern Canada. An area of weak troughing will reside to the south of that upper ridge across the Great Lakes/Northeast/Mid-Atlantic. At the surface, a strong area of high pressure will be centered to our north across southern Canada. This will maintain east to northeasterly low-level flow across the area through much of the week. Persistent east to northeasterly flow will transport a marine airmass into the region.
When coupled with weak upper level troughing, the result will be lots of cloud cover, below normal temperatures, and occasional showers through much of the week. There are some signs that the pattern may start to break down by Friday, potentially leading to better chances for some sunshine, but ensemble guidance shows considerable spread by that time period. Temperatures will generally reach into the 60s for highs, with lows in the 50s. If more sunshine were to occur on Friday, temperatures may make it back into the 70s.

AVIATION /07Z SATURDAY THROUGH WEDNESDAY/
The influence of Tropical Storm Ophelia on the local weather will be dominated by IFR conditions across all terminals today.
This is largely due to the low ceilings accompanied the series of rainbands sweeping northward through the region.
Northeasterly winds will be very gusty today, particularly through late this evening with gusts up to 30 to 40 knots. Any thunderstorm chances should remain confined to southern Maryland. Restrictions persist into the overnight hours although winds should drop off into the 20 to 30 knot range.

On Sunday, the region should be within the IFR to MVFR range with showers in the morning and some dry times during the second half of the day. Given the potential for saturated grounds into the night, patchy fog is not out of the question which would lead to additional restrictions. At this point, winds will have shifted to northwesterly as the low center lifts off toward the northeast. Monday remains on the cloudy side with additional shower chances. Thus, some sub-VFR conditions are possible through the day.

Prevailing VFR conditions and northeasterly winds are expected at the terminals on Tuesday and Wednesday. Brief sub-VFR conditions may be possible at times during showers, accompanied by north to north-northeasterly wind fields.

MARINE
The approach of Tropical Storm Ophelia toward the North Carolina coast has already led to a large uptick in wind fields across the local marine zones. For areas bordering St. Mary's and Calvert counties, Tropical Storm Warnings remain in effect.
Elsewhere, Gale Warnings are in place through late this evening with gusts of 35 to 45 knots likely. As a result, conditions are extremely dangerous to those out on the waters. Northeasterly winds do weaken some into tonight which will either favor a Gale Warning extension or a switchover to Small Craft Advisories.

Small Craft Advisories will likely be needed for portions of the waters for the first half of Sunday. Winds shift to northwesterly by Sunday afternoon with winds dropping below advisory criteria. Some ramp up is possible on Monday given northerly channeling effects.

SCA conditions appear possible in northeasterly flow on both Tuesday and Wednesday.

HYDROLOGY
Tropical Storm Ophelia is expected to move north-northwestward and make landfall somewhere along the North Carolina coastline, and then track northward through our region. Ahead of this system, a strong easterly flow at 850mb of nearly 50 knots will lead to increasing advection of tropical moisture. PWs around two inches along with deep warm cloud layers will combine with the system to bring widespread light to moderate stratiform rain to the region starting late this evening and continuing through early Sunday morning. Bands of moderate to heavy rain will likely be embedded in the large stratiform rain shield and may lead to periods of heavy rain with rates perhaps approaching 1 inches per hour at times east of the Blue Ridge/Catoctin Mountains. Rain totals of 1.5 to 3.5 inches are expected for most of the region east of the I-81 corridor with lesser amounts along the Allegheny front. Locally higher amounts around 5 inches or a bit higher will be possible over parts of southern MD, and along the Blue Ridge Mountains where orographic lift could enhance precipitation totals.

The extended nature of the precipitation event combined with abnormally dry conditions will likely limit the overall threat for flooding. Isolated nuisance flooding will be possible in urban areas and along smaller stream basins. River flooding is not expected at this time, but if there is considerable enhancement from orographic lift, some smaller river basins could experience some minor flood issues.

TIDES/COASTAL FLOODING
Tidal anomalies will continue to rise today within continued onshore flow as Tropical Storm Ophelia continues to approach from the south.
Most locations will likely experience Minor tidal flooding by the tide cycle later this afternoon into tonight, with Moderate flooding possible at Straits Point, Annapolis, and DC. Minor flooding will remain possible during the day Sunday.

LWX WATCHES/WARNINGS/ADVISORIES
DC...Wind Advisory from 8 AM this morning to 8 PM EDT this evening for DCZ001.
Coastal Flood Warning from 10 AM this morning to 7 AM EDT Sunday for DCZ001.
MD...Tropical Storm Warning for MDZ017-018.
Wind Advisory from 8 AM this morning to 8 PM EDT this evening for MDZ008-011-013-014-016-503>506-508.
Coastal Flood Advisory until 5 AM EDT Sunday for MDZ013.
Coastal Flood Advisory from 9 AM this morning to 8 PM EDT this evening for MDZ014.
Coastal Flood Warning from 8 PM this evening to 8 AM EDT Sunday for MDZ014.
Coastal Flood Advisory until 2 PM EDT Sunday for MDZ016.
Coastal Flood Warning until 2 AM EDT Sunday for MDZ017.
Coastal Flood Advisory until 2 AM EDT Sunday for MDZ018.
VA...Wind Advisory from 8 AM this morning to 8 PM EDT this evening for VAZ053>057-502-506>508-526-527.
Coastal Flood Advisory until 5 AM EDT Sunday for VAZ053-055- 527.
Coastal Flood Advisory until 2 PM EDT Sunday for VAZ057.
Coastal Flood Advisory until 6 AM EDT Sunday for VAZ054.
WV...None.
MARINE...Gale Warning until midnight EDT tonight for ANZ530>532-535-536- 538>540.
Tropical Storm Warning for ANZ533-534-537-541>543.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
44062 - Gooses Reef, MD 7 mi34 min NNE 29G39 60°F 74°F4 ft30.11
COVM2 - 8577018 - Cove Point LNG Pier, MD 7 mi52 min N 29G33 63°F 29.88
SLIM2 - 8577330 - Solomons Island, MD 10 mi52 min NNE 18G27 63°F 74°F29.85
CA2 - 8571892 - Cambridge, MD 22 mi52 min NE 19G25 63°F 70°F29.90
PPTM2 - 8578240 - Piney Point, MD 23 mi52 min NE 21G28
BSLM2 - Chesapeake Bay, MD 25 mi52 min NNE 5.1 60°F 29.9558°F
BISM2 - 8571421 - Bishops Head, MD 29 mi52 min NNE 20G34 65°F 68°F29.83
TPLM2 - Thomas Point, MD 30 mi82 min N 30G34 62°F 29.96
44042 - Potomac, MD 31 mi34 min NNE 27G39 64°F 74°F2 ft
NCDV2 32 mi52 min N 2.9G13 61°F 72°F
LWTV2 - 8635750 - Lewisetta, VA 33 mi52 min NE 24G35 65°F 70°F29.80
44063 - Annapolis 34 mi34 min NNE 25G33 59°F 71°F2 ft30.08
APAM2 - 8575512 - Annapolis, MD 35 mi52 min N 19G30 62°F 76°F29.96
CPVM2 37 mi52 min 62°F 62°F
WASD2 - 8594900 - Washington, DC 40 mi52 min N 7G14 59°F 74°F29.96
44043 - Patapsco, MD 47 mi40 min NE 29G37 60°F 71°F4 ft30.01

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Wind History for Cove Point LNG Pier, MD
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KNHK PATUXENT RIVER NAS/TRAPNELL FIELD/,MD 13 sm30 minNNE 21G367 smOvercast Lt Rain 64°F61°F88%29.85
KNUI WEBSTER NOLF,MD 22 sm29 minNNE 11G298 smOvercast Lt Rain 63°F63°F100%29.83
KCGE CAMBRIDGEDORCHESTER RGNL,MD 24 sm17 minNNE 10G224 smOvercast Mist 63°F63°F100%29.87

Wind History from 2W6
(wind in knots)


Tide / Current for Long Beach, Maryland
   
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Long Beach
Click for Map
Sat -- 04:54 AM EDT     0.67 feet Low Tide
Sat -- 06:54 AM EDT     Sunrise
Sat -- 09:09 AM EDT     1.01 feet High Tide
Sat -- 02:51 PM EDT     0.39 feet Low Tide
Sat -- 03:37 PM EDT     Moonrise
Sat -- 07:01 PM EDT     Sunset
Sat -- 10:03 PM EDT     1.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Long Beach, Maryland, Tide feet
12
am
1.4
1
am
1.2
2
am
1
3
am
0.8
4
am
0.7
5
am
0.7
6
am
0.7
7
am
0.8
8
am
0.9
9
am
1
10
am
1
11
am
0.8
12
pm
0.7
1
pm
0.5
2
pm
0.4
3
pm
0.4
4
pm
0.4
5
pm
0.6
6
pm
0.9
7
pm
1.2
8
pm
1.5
9
pm
1.7
10
pm
1.8
11
pm
1.7



Tide / Current for Broomes Island, 0.4 mile south of, Maryland Current
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Broomes Island
Click for MapFlood direction 290 true
Ebb direction 110 true

Sat -- 01:46 AM EDT     -0.45 knots Max Ebb
Sat -- 05:51 AM EDT     0.00 knots Slack
Sat -- 06:54 AM EDT     Sunrise
Sat -- 07:35 AM EDT     0.11 knots Max Flood
Sat -- 09:56 AM EDT     -0.00 knots Slack
Sat -- 01:03 PM EDT     -0.25 knots Max Ebb
Sat -- 03:37 PM EDT     Moonrise
Sat -- 03:41 PM EDT     0.00 knots Slack
Sat -- 07:01 PM EDT     Sunset
Sat -- 07:28 PM EDT     0.45 knots Max Flood
Sat -- 11:22 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Broomes Island, 0.4 mile south of, Maryland Current, knots
12
am
-0.3
1
am
-0.4
2
am
-0.4
3
am
-0.4
4
am
-0.3
5
am
-0.1
6
am
0
7
am
0.1
8
am
0.1
9
am
0.1
10
am
-0
11
am
-0.1
12
pm
-0.2
1
pm
-0.2
2
pm
-0.2
3
pm
-0.1
4
pm
0
5
pm
0.2
6
pm
0.4
7
pm
0.4
8
pm
0.4
9
pm
0.4
10
pm
0.2
11
pm
0.1




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