Thursday, February27, 2020
Privacy Policy
L-36.com


Marine Weather and Tides
Rock Point, MD

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:41AMSunset 5:59PM Thursday February 27, 2020 9:20 AM EST (14:20 UTC) Moonrise 8:54AMMoonset 9:46PM Illumination 16% Phase: Waxing Crescent; Moon at 4 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
    EDIT      (on/off)   Help
ANZ537 Tidal Potomac From Cobb Island To Smith Point- 637 Am Est Thu Feb 27 2020
.small craft advisory in effect through Friday afternoon...
Today..W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Tonight..W winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft... Subsiding to 2 ft after midnight.
Fri..SW winds 15 kt with gusts to 20 kt. Waves 2 ft.
Fri night..W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Sat..NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Sat night..NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Sun..SW winds 5 to 10 kt. Waves 1 ft.
Mon..SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night.
ANZ500 637 Am Est Thu Feb 27 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A low pressure system will stall over southeastern canada through Saturday with multiple disturbances spiraling around it. High pressure will gradually build in from the central united states late this weekend into early next week. Small craft advisories will likely be needed Friday night through Saturday night.


7 Day Forecast for Marine Location Near Rock Point CDP, MD
   Hourly   EDIT   Help
location: 38.23, -76.73     debug


Area Discussion for - Wakefield, VA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS61 KAKQ 271123 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 623 AM EST Thu Feb 27 2020

SYNOPSIS. A strong cold front will track offshore early this morning. Cooler, drier weather will return to the region today into next weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. As of 355 AM EST Thursday .

Current wv imagery depicts a potent trough lifting newd through the Mid-Atlantic and Northeast. Locally, conditions are drying out, with only some lingering showers from the Nrn Neck to the Ern Shore. Overall, this system produced rainfall generally 0.1" or less from the Piedmont into central VA, and up to 0.2-0.3" over the Ern Shore. Additionally, a couple of thin lines of showers earlier in the overnight produced isolated wind gusts to ~40mph. Otherwise, a cooler and drier airmass is spreading in from the W with the surface cold front now offshore. Temperatures early this morning range from the upper 30s/low 40s W, to the low 50s along the coast and a W wind of 10-15 mph gusting to 20-25 mph.

Breezy and much drier today. Forecast highs are in the upper 40s to low 50s despite 850mb temperatures falling to -7 to -8C as mixing will be maximized. Dewpoints likely fall into the low teens to around 20F by aftn (upper single digits possible along the coast. A W wind will average 15-20 mph, with gusts to 25-30 mph inland, and 30-35 mph over the Ern Shore (gusts up to 40 mph for the MD coast).

SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY/. As of 355 AM EST Thursday .

Surface high pressure settles into the Deep South tonight as low pressure lingers over the Saint Lawrence Valley. This will maintain some mixing and low temperatures are forecast to fall into the mid 20s to low 30s as CAA continues.

The latest data continues to show some weak moisture/lift crossing the mountains Friday evening/Friday night. Given this, a slight chc of rain and/or snow showers has been maintained (mainly 00-06z Saturday). Seasonally cool Friday with highs in the upper 40s to low 50s with increasing clouds. Partly to mostly cloudy Friday night with lows in the mid 20s to low 30s. Dry Saturday as high pressure builds in from the W. There will still be some energetic NW flow with the trough moving offshore, and this could result in SCT to occasionally BKN CU, especially E. Cool with highs in the low 40s NW to upper 40s SE.

LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/. As of 330 PM EST Wednesday .

Sunday and the first half of Monday will be fairly quiet with high pressure centered over the SE on Sunday and shifting off the SE coast on Monday. A more unsettled pattern sets up late Monday through midweek. A trough will dig through the SW US and by Wednesday ejects northeastward towards the OH valley. Out ahead of the trough, a series of disturbances will increase the chances for rain. Monday night through Wednesday morning the chances for rain will be mainly across western and northern portions of the forecast area, with the greatest chance for areawide rainfall occurring the second half of Wednesday ahead of an approaching cold front.

Temperatures will be seasonable on Sunday with high temps upper 40s to lower 50s. Monday through Wednesday will be well above normal with high temps in the 60s on Monday and Tuesday and may very well reach the 70's for most on Wednesday. Low temps will also be mild only dropping into the 40s on Tuesday morning and 50s on Wednesday morning.

AVIATION /11Z THURSDAY THROUGH MONDAY/. As of 625 AM EST Thursday .

A cold front moved through the region overnight resulting in breezy and clearing conditions through the 12z TAF period. The FROPA has resulted in strong W winds of 10-15 kt with gusts to 25 kt this morning. Winds will increase to 15-20kt with gusts to 30kt later this morning through the afternoon. Winds will begin to wane this evening to around 10 kt. Current VFR conditions are expected to continue through the 12z TAF period.

OUTLOOK . A quick moving trough will bring a very minimal chc of light rain or snow showers Friday evening-Friday night, before high pressure and dry conditions return on Saturday and remain through Monday.

MARINE. As of 430 AM EST Thursday .

A strong cold front is positioned just along the Mid-Atlantic coast early this morning. The cold front will continue to move offshore on Thursday. High pressure is building into the area from the southwest, while a low pressure system is deepening over southeastern Quebec. This is given us a strong west wind behind the cold front. Winds are W 12-20 kt with gust 20-25 kt across our coastal waters. West winds will increase during the day on Thursday with sustain winds 20-25 kt and gusts up to 30 kt (Up to 35 kt across Atlantic waters north of Cape Charles). The exception will be for the Atlantic Ocean coastal waters offshore of MD. Winds will be slightly stronger farther north, with winds W 25-30kt and gusts up to 40 kt. Gale Watch has been upgrade to a Gale Warning for the ocean waters north of the VA/MD state line from Thursday afternoon to early Friday morning, while SCAs remain in effect for coastal waters south of the VA/MD state line, Chesapeake Bay, tidal rivers, and Currituck Sound.

A broad area of low pressure will remain across southeastern Canada and the Northeast U.S. into the weekend. Winds will slightly decrease as the low pressure system weakens Friday. Winds are expected to turn SW and be 15-20 kt with gusts of 25 kt, decreasing to 10-15 kt Friday night. A cold front will cross the coastal waters Saturday and winds will increase and turn NW 15-20 kt with gusts up to 25 kt. High pressure will build over the region Sunday with winds decreasing.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . Small Craft Advisory until 7 AM EST Friday for ANZ635>637. Small Craft Advisory until 1 PM EST Friday for ANZ630>632-634- 638-652-654-656-658. Small Craft Advisory until 1 AM EST Friday for ANZ633. Small Craft Advisory until 1 PM EST this afternoon for ANZ650. Gale Warning from 1 PM this afternoon to 1 AM EST Friday for ANZ650.

SYNOPSIS . AJZ/ERI NEAR TERM . AJZ SHORT TERM . AJZ/ERI LONG TERM . CMF AVIATION . RMM MARINE . CP


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PPTM2 - 8578240 - Piney Point, MD 12 mi50 min NW 26 G 33
SLIM2 - 8577330 - Solomons Island, MD 16 mi50 min NW 9.9 G 21 41°F 44°F1007.1 hPa
NCDV2 17 mi56 min WNW 9.9 G 16 41°F 47°F1007.6 hPa
LWTV2 - 8635750 - Lewisetta, VA 21 mi50 min NW 17 G 22 42°F 45°F1008.1 hPa
44042 - Potomac, MD 25 mi26 min WNW 23 G 27 41°F 44°F1007.9 hPa
44062 - Gooses Reef, MD 28 mi32 min WNW 25 G 29 40°F 1007.6 hPa
BISM2 - 8571421 - Bishops Head, MD 37 mi50 min NW 27 G 34 42°F 45°F1007.2 hPa
BSLM2 - Chesapeake Bay, MD 38 mi110 min WNW 9.9 1005 hPa
CA2 - 8571892 - Cambridge, MD 42 mi56 min WNW 20 G 28 41°F 44°F1006.2 hPa
WASD2 - 8594900 - Washington, DC 47 mi50 min WNW 14 G 23 37°F 45°F1008.6 hPa
TPLM2 - Thomas Point, MD 49 mi20 min W 26 G 29 38°F 43°F1007.7 hPa (+3.8)22°F

Wind History for Piney Point, MD
(wind in knots)    EDIT      (on/off)   Help
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
-12
PM
9
AM
Last
24hr
SE8
SE5
SE7
SE8
S5
E8
SE6
SE11
SE11
SE11
SE13
SE12
SE13
SE13
SE7
NW28
NW22
NW16
NW12
G17
NW16
G20
NW24
NW22
G27
NW30
1 day
ago
SE6
E7
E6
NE2
NW2
N3
N4
N5
NW3
NW2
N4
NW4
SW4
E2
SE3
S2
SE2
SE3
NE7
G10
SE1
S5
E2
E2
E6
2 days
ago
--
SE2
SE6
S5
SW7
G10
E4
S9
SW16
SW14
G20
SW12
G16
SW12
SW11
SW14
G17
SW11
SW12
SW10
SW7
S2
SE6
SE5
SE4
SE6
SE7
SE6

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St Marys County Airport, MD11 mi33 minW 17 G 27 miPartly Cloudy41°F21°F45%1008.1 hPa
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD17 mi27 minWNW 19 G 3010.00 miFair and Breezy45°F23°F42%1007.9 hPa
Patuxent River, Naval Air Station, MD18 mi28 minWNW 16 G 2310.00 miA Few Clouds43°F25°F49%1007.9 hPa

Link to 5 minute data for KNUI

Wind History from NUI (wind in knots)
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
Last 24hrE6E3E8E7E6E6E4SE6E8E9E9E5E8SE8
G16
S9W14
G22
W12
G22
NW8
G16
W9W13W12
G20
W10W18
G31
W19
G30
1 day agoSE3E5CalmSE6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4NE3CalmNE4SE3CalmNE6NE5
2 days agoW3SW3SE5S4S8S5SE5S10
G17
S15S11S7S6S6S7S8S6SW7S3SE3SE3SE3SE3E3Calm

Tide / Current Tables for Colton's Point, Potomac River, Maryland
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Point Patience, 0.1 mile southwest of, Maryland Current
   EDIT      (on/off)   Help   One Week of Data
Point Patience
Click for MapFlood direction 315 true
Ebb direction 145 true

Thu -- 01:41 AM EST     0.48 knots Max Flood
Thu -- 04:23 AM EST     -0.00 knots Slack
Thu -- 06:41 AM EST     Sunrise
Thu -- 08:04 AM EST     -0.66 knots Max Ebb
Thu -- 08:52 AM EST     Moonrise
Thu -- 12:03 PM EST     0.00 knots Slack
Thu -- 01:51 PM EST     0.36 knots Max Flood
Thu -- 04:09 PM EST     -0.00 knots Slack
Thu -- 05:56 PM EST     Sunset
Thu -- 08:07 PM EST     -0.73 knots Max Ebb
Thu -- 09:45 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
0.10.40.50.30.1-0.2-0.4-0.6-0.7-0.6-0.5-0.3-00.30.40.30-0.2-0.5-0.7-0.7-0.7-0.5-0.3

Weather Map
       (on/off)   Help Weather Map
wmap_A
GEOS Local Image of Mid-Atlantic    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop



Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Wakefield, VA (9,2,3,4)
      (on/off)   Help

Ground Weather Radar Station Dover AFB, DE
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

Cookie Policy:
This website uses cookies to save your settings. No personal information is saved. I do not collect statistics on your visit. You can disable cookies in your browser if you like but it is not recommended for this site. I do not sell cookies. Go to a bakery for that. In fact I do not sell anything. To disable cookies from L-36.com, please refer to the Help button in your browser.
Privacy Policy:
I do not sell or share any user data or anything else for that matter. The only personal information I save is in the site log which has a line for each page view which includes the IP address your browser sends in the header as well as which page you requested. I use this to block hackers and other bad actors. I do not use this raw data to create profiles on users. I periodically delete the log files. If you are subject to CCPA, Google ads on this site will not be based on your past behavior so you will likely not see an ad for a lawn mower just because you looked for one at a big box website. I do not believe this site is subject to CCPA but I am doing what I can to follow the guidelines anyway.
Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.