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Marine Weather and Tides Highland Beach, MD Version 3.4

NOTICE 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

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Sunrise 5:53AM

Sunset 8:30PM

Thursday July 18, 2019 6:16 PM EDT (22:16 UTC)

Moonrise 8:54PM

Moonset 6:21AM

Illumination 97%

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 Highland Beach town, MD

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Area Discussion for - Baltimore, MD/Washington

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Fxus61 klwx 181955 afdlwx area forecast discussion national weather service baltimore md washington dc 355 pm edt Thu jul 18 2019 Synopsis An upper level disturbance will move into the western atlantic tonight. High pressure will build over the southeastern united states Friday through the weekend. A cold front approaching from the great lakes and pennsylvania will cross the region early next week. Near term until 6 am Friday morning A trough axis remains across the i-95 corridor this afternoon. Daytime heating has permitted nearly 1500 j kg of MLCAPE to develop, but with little shear. The catalyst for thunderstorms today will be the available instability (which increases toward the bay), steepening low level lapse rates, high dewpoints, and various disorganized spokes of vorticity embedded within the mid level flow. Given precipitable water near 2.25 inches in the baltimore-washington corridor with small mbe vectors, heavy rain will also be a concern. Wet microbursts could result in the most mature storms. The trough axis should reach the bay by dusk, ending the thunderstorm threat. Warm and humid tonight with lows in the 70s and patchy fog possible, especially in any areas that receive rain today given decreasing cloud cover. Short term 6 am Friday morning through Saturday night Based on latest high-performing temperature dew point guidance, have gone ahead and hoisted a heat advisory for much of the area excluding the higher elevations. Some locations along the i-95 corridor may be borderline for a warning, so it's possible a later shift may need to upgrade. Excessive heat watches remain in place for Saturday. A building ridge of high pressure will make that the primary concern, as 850 temps rise to 22-24c. Think that subsidence will mostly prevent storms from developing, but could not rule out a stray shower thunderstorm from breaking the cap. Do not have confidence in placement or timing, so will be silent on that risk for now. While the entire period looks hot, Saturday may be the day of greater concern, without the benefit of any real relief at night. Long term Sunday through Thursday High pressure will shift off the coast as a warm front moves through our region on Sunday. This will place our region in the warm sector ahead of an approaching cold front from the west. This will lead to another hot day with daytime temperatures hovering in the upper 90s to low 100s. These high temperatures will combine with dew point temperatures in the mid to upper 60s and lower 70s to create another day of dangerous heat indexes for most of our region. This means that heat advisories will likely be needed with possibly a excessive heat warning. Thunderstorms and showers will be a concern again during the day due to high cape. The better chance for showers and thunderstorms will be later in the day Sunday and into Monday as the cold front approaches and moves through our region. The models have been trending quicker with this frontal passage. This has led to the main threat becoming more flood based compared to severe due to the frontal timing. If the front moves through later on Monday, the risk for severe weather could increase but there remains a lot of uncertainty at this time. The biggest message will be that there will be threat for thunderstorms and showers late Sunday into Monday with an isolated threat for flood and severe weather. The cold front is expected to move through our region by late Monday and into early Tuesday. The models have been hinting that the boundary may stall over our southern parts of our CWA or just south of our cwa. This would lead to continued chances for showers into Tuesday. Again there remains a lot of uncertainty on this solution. There is good agreement that Tuesday into Wednesday will be much cooler in the low to mid 80s with dew points in the 50s. High pressure will build back into our region for Wednesday. Aviation 20z Thursday through Tuesday MainlyVFR expected through Saturday night. Possible exceptions would be in any thunderstorm that develops this afternoon, or any patchy fog that develops during the overnight early morning hours. Generally west flow AOB 10 kts expected. Best chance for thunderstorms today appears to be near east of the blue ridge this afternoon, with best fog potential between 8-12z near outlying terminals or in areas that receive rain this afternoon. The thunderstorm threat is slim to none for Friday and Saturday. Skies will be mostly clear with some scattered cloud cover. It will continue to be hot and humid with heat indexes above 105 and possibly 110.VFR conditions expected for most of the day Sunday at this time. Clouds will increase Sunday evening through Monday as a cold front moves through our region. Thunderstorms and showers will be possible. Subvfr conditions will be possible. Marine South west winds 10 kt or less this afternoon, though gusty winds are possible in and near any thunderstorms that develop

(which may require smws). Winds will remain light through Saturday. Hot humid conditions expected Sunday and Monday with a southerly flow. Small craft advisories may be needed. Climate The record daily warm low temperature for iad for july 18th is 74 degrees, set in 2005 and 1969. As a reference, here are the warm temperature records for Friday through this weekend: record daily high temperatures jul 19 jul 20 jul 21 dca 102 (1930) 106 (1930) 104 (1926) bwi 103 (1930) 102 (1930) 104 (1930) iad 98 (1977) 101 (1980) 101 (1991) record daily warm low temperatures jul 19 jul 20 jul 21 dca 81 (1930) 82 (2015) 82 (1987) bwi 80 (1942) 80 (1930) 83 (1930) iad 77 (2013) 75 (2015) 77 (1987) highest july temperatures highest MAX warmest low dca 106 (7 20 1930) 84 (7 24 2011, 7 23 2011, 7 16 1983) bwi 107 (7 10 1936) 83 (7 21 1930) iad 105 (7 22 2011) 78 (7 24 2010, 7 8 2010) all-time highest temperatures highest MAX warmest low dca 106 (7 20 1930, 8 6 1918) 84 (7 24 2011, 7 23 2011, 7 16 1983) bwi 107 (7 10 1936) 83 (8 5 1930, 7 21 1930, 6 6 1925) iad 105 (7 22 2011) 79 (8 8 2007) longest stretches of consecutive days with high temperatures at or over 100 degrees at iad: 2 (7 7-8 2012, 7 21-22 2011, 7 6-7 2010, 8 16-17 1997, 7 16-17 1988 and 7 20-21 1980) longest stretch of consecutive days with low temperatures at or over 80 degrees at dca: 5 (7 16-20 2013) longest stretch of consecutive days with low temperatures at or over 80 degrees at bwi: 4 (8 8-11 1900) temperature records for the washington dc area have been kept at what is now ronald reagan washington national airport (dca) since 1941. Additional temperature records observed downtown extend the period of record back to 1872. Temperature records for the baltimore md area have been kept at what is now baltimore-washington international thurgood marshall airport (bwi) since 1950. Additional temperature records observed downtown extend the period of record back to 1872. Temperature records for the sterling dulles va area have been kept at what is now washington dulles international airport (iad) since 1960. Lwx watches warnings advisories Dc... Heat advisory from 11 am to 9 pm edt Friday for dcz001. Excessive heat watch from Saturday morning through Saturday evening for dcz001. Excessive heat watch from Sunday morning through Sunday evening for dcz001. Md... Heat advisory from 11 am to 9 pm edt Friday for mdz003>006-011- 013-014-016>018-502>508. Excessive heat watch from Saturday morning through Saturday evening for mdz003>006-011-013-014-016>018-503>508. Excessive heat watch from Sunday morning through Sunday evening for mdz003>006-011-013-014-016>018-503>508. Va... Heat advisory from 11 am to 9 pm edt Friday for vaz026>031- 036>040-050>057-501-502-505-506. Excessive heat watch from Saturday morning through Saturday evening for vaz028-030-031-052>057-501-502-505-506. Excessive heat watch from Sunday morning through Sunday evening for vaz028-030-031-052>057-501-502-505-506. Wv... Heat advisory from 11 am to 9 pm edt Friday for wvz050>053-055- 502-504. Excessive heat watch from Saturday morning through Saturday evening for wvz051>053. Excessive heat watch from Sunday morning through Sunday evening for wvz051>053. Marine... None. Synopsis... Hts near term... Hts short term... Hts long term... Jmg aviation... Hts jmg marine... Hts jmg climate...

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
TPLM2 - Thomas Point, MD	2 mi	77 min	SSE 7 G 8.9	86°F	82°F		1011.6 hPa (-1.0)	78°F
APAM2 - 8575512 - Annapolis, MD	4 mi	47 min		91°F			1010.2 hPa
CPVM2	6 mi	47 min		87°F				80°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD	20 mi	53 min	NW 11 G 13	86°F			1010.8 hPa
FSNM2	20 mi	53 min	WNW 9.9 G 11	86°F			1010.9 hPa
TCBM2 - 8573364 - Tolchester Beach, MD	22 mi	47 min	NNE 8.9 G 11	84°F	85°F		1011.1 hPa
BLTM2 - 8574680 - Baltimore, MD	24 mi	53 min	NNW 5.1 G 8	87°F	85°F		1010.4 hPa
WASD2 - 8594900 - Washington, DC	31 mi	47 min	NW 7 G 9.9	92°F	86°F		1011.2 hPa
CA2 - 8571892 - Cambridge, MD	32 mi	53 min		91°F	88°F		1010.5 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD	37 mi	47 min	NNW 4.1 G 7	90°F			1011.5 hPa
SLIM2 - 8577330 - Solomons Island, MD	42 mi	47 min	W 4.1 G 7	91°F	84°F		1010.4 hPa

Wind History for Francis Scott Key Bridge NE Tower, MD

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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	4 mi	23 min	WNW 6	10.00 mi	A Few Clouds	93°F	73°F	54%	1010.8 hPa
Bay Bridge Field, MD	7 mi	37 min	SSW 5	10.00 mi	Partly Cloudy	91°F	77°F	63%	1010.8 hPa
Fort Meade / Tipton, MD	20 mi	35 min	NW 3	10.00 mi	Mostly Cloudy	86°F	75°F	70%	1011.8 hPa
Baltimore, Baltimore-Washington International Airport, MD	21 mi	23 min	Var 3	10.00 mi	Mostly Cloudy	89°F	73°F	61%	1010.6 hPa
Easton / Newman Field, MD	22 mi	29 min	SW 5	10.00 mi	Partly Cloudy	91°F	77°F	63%	1012.2 hPa
Camp Springs / Andrews Air Force Base, MD	23 mi	81 min	WNW 8	10.00 mi	Fair	90°F	70°F	53%	1011.6 hPa

Wind History from BWI (wind in knots)

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Tide / Current Tables for Bay Ridge, Maryland

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Tide / Current Tables for Baltimore Harbor Approach, Maryland Current

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Weather Map and Satellite Images

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GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for Baltimore, MD/Washington (18,4,5,8)

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Ground Weather Radar Station Dover AFB, DE

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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 numerious 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.