Marine Weather and Tides
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
|Sunrise 6:49AM||Sunset 4:49PM||Saturday November 18, 2017 5:26 AM EST (10:26 UTC)||Moonrise 6:43AM||Moonset 5:23PM||Illumination 0%|
EDIT (on/off)  Help
|ANZ533 Chesapeake Bay From North Beach To Drum Point- 332 Am Est Sat Nov 18 2017 |
.small craft advisory in effect through late tonight...
.gale warning in effect from Sunday morning through Sunday afternoon...
Rest of the overnight..S winds 10 kt with gusts to 20 kt. Waves 1 ft.
Today..S winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Tonight..SW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft. Showers.
Sun..W winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft. Showers.
Sun night..NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft... Subsiding to 2 ft after midnight.
Mon..W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Mon night..SW winds 5 to 10 kt. Waves 1 ft.
Tue..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers through the night.
Wed..N winds 5 to 10 kt. Waves 1 to 2 ft...building to 3 ft.
|ANZ500 332 Am Est Sat Nov 18 2017 |
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will move offshore today. A strong cold front will move across the waters late tonight into early Sunday morning and high pressure will build to our south later Sunday through Monday. The high will move offshore Tuesday and a cold front will pass through late Tuesday night into Wednesday. A small craft advisory may be needed for portions of the waters Monday and Tuesday.
7 Day Forecast for Marine Location Near Taylors Island, MDHourly EDIT Help
Area Discussion for - Wakefield, VA  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus61 kakq 180915|
area forecast discussion
national weather service wakefield va
415 am est Sat nov 18 2017
High pressure slides offshore this morning, ahead of a cold
front approaching the region from the west. The cold front
moves across the area late tonight into Sunday morning,
producing scattered showers.
Near term until 6 pm this evening
Latest surface analysis features ~1021mb surface high pressure
centered over the virginia and carolina coastal plain early this
morning. To the west, a large, positively-tilted upper trough
continues to drop across the central plains missouri river
valley this morning, with the surface low centered over mo at
Quiet benign weather lingers through the first part of the day,
as surface high pressure nudges offshore, with resultant low-
level return flow increasing around the offshore high.
Tightening pressure gradient due to the approaching front will
allow for breezy conditions through the afternoon with gusts of
25 to 35 mph (highest immediate coast and eastern shore). Took
down forecast highs slightly, but still expect temps to rebound
nicely W compressional warming and out ahead of the
approaching cold front. Highs today into the mid upper 60s se
zones... Upper 50a to mid 60s farther inland.
Short term 6 pm this evening through Monday
Surface low will lift across the eastern great lakes toward
southern quebec tonight into Sunday morning. Trailing cold front
will push across the area after midnight tonight, reaching the
coast around just after dawn Sunday morning. Ahead of the front,
expect quick dewpoint surge as the warm front lifts across the
area Sat aftn night. Low level s-sw flow quickly increasing pw
values into the 1"-1.25" range after 00z sun.
Still anticipate a quick-moving band of showers along and ahead
of the cold front just after midnight out in the piedmont,
reaching the coast by Sunday morning. Aforementioned increasing
pw, along with a narrow axis of low-level convergence forcing,
will lead to a broken line of scattered to numerous showers
through the overnight period. Accordingly, have pushed pop into
high end likely categorical range, highest over western
sections. CAPE is nearly nil through this period, some have
again held thunder wording out.
Breezy conditions persist through the night. H92-850 winds
increase to 40-50 kt as gradient tightens just ahead of the
front. Expect strongest winds to be within a few hours of
frontal passage as subsidence behind the departing boundary
mixes down some of that wind. A wind advisory was considered but
has not been issued with this package, with winds likely to be
just below criteria. That said, expect a small window of windy
conditions Sunday morning (especially north), with blustery and
chilly conditions continuing through Sunday. Temperatures
remain mild tonight before dropping off late tonight.
Temperatures struggle to rise Sunday morning, aided in small
measure by clear sky and sunshine, but remain steady drop off
Sunday aftenroon. Winds diminish late afternoon as the gradient
slackens. Cooler with highs in the 50s... To near 60 SE coast.
One last surge of wind possible with another passing
disturbance Sunday night. Blustery conditions ease through the
night as cool sfc high pressure centered over the tn valley
expands east into the mid-atlantic late Sunday and Monday. We
can expect a clear sky and below normal temperatures. Lows
Sunday night in the mid upr 20s piedmont to the mid upr 30s
coast. Highs Monday in the upr 40s to low 50s.
Long term Monday night through Friday
High pressure moves offshore of the region during the day on Tuesday
allowing for a warming trend. Highs on Tuesday will climb into the
upper 50s to lower 60s and lows fall into the upper 30s to low 40s
inland (mid to upper 40s at the coast). Temperatures remain near
normal during the day on Wednesday before a mainly dry cold front|
crosses the area Wednesday late afternoon evening. Introduced a
slight chance of pops with the passage of the front, but moisture
appears fairly limited at this time. A cooler airmass moves into the
region for thanksgiving and the end of the work week behind the
front. Temperatures are expected to be below normal for thanksgiving
day with highs in the upper 40s to low 50s and lows dropping into
the lower 30s away from the coast. An offshore trough develops on
Friday which will bring a chance of rain for coastal areas.
Aviation 09z Saturday through Wednesday
Vfr conditions across area terminals will persist through the
06z TAF period. Surface high pressure over the mid-atlantic
coast will slide offshore through this afternoon. Clouds will
gradually thicken lower this afternoon and tonight as a strong
cold front approaches the region through tonight. Winds will be
gusty ahead of the front Saturday afternoon, gusting out of the
southwest between 20-25kt.
Outlook: the cold front crosses the area late tonight into
Sunday morning, with the possibility of some short-lived MVFR
ceilings with sct numerous rain showers with the frontal
passage. Llws will be a concern tonight into Sunday morning
just ahead of the front, 35-45kt at 2kft agl. Winds quickly
swing around to the w-nw post-frontal and will be highest
within a few hours of frontal passage, but will remain gusty
through Sunday. High pressure builds back over the local area
Sunday morning, allowing for a return toVFR conditions through
the remainder of the weekend. High pressure gradually slides
off the southeast coast Monday and Tuesday withVFR conditions
Tides coastal flooding
Gusty SW winds may push a few areas into the action stage during
Saturdays high tide cycle. Appears bishops head will approach
minor flooding thresholds then.
Kdox remains down until further notice due to pedestal fault.
Updates will be provided here and in ftmdox as they become
Akq watches warnings advisories
Marine... Small craft advisory from 1 pm this afternoon to 7 am est
Monday for anz633-635>638.
Small craft advisory from 10 am this morning to 10 am est
Monday for anz630>632-634.
Small craft advisory from 10 am this morning to 7 pm est this
evening for anz650-652-654.
Gale warning from 7 pm this evening to 4 am est Monday for
Small craft advisory from 1 pm this afternoon to 7 pm est this
evening for anz656-658.
Gale warning from 7 pm this evening to 3 pm est Sunday for
near term... Ajz mam
short term... Jdm mam
long term... Ajb
aviation... Ajb mam
tides coastal flooding...
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
|Stations||Dist||Age||Wind||Air Temp||Water Temp||Waves||Pressure||DewPt|
|TPLM2 - Thomas Point, MD||31 mi||26 min||SSW 19 G 21||47°F||53°F|
|BSLM2 - Chesapeake Bay, MD||32 mi||56 min||SSE 1.9||34°F||1016 hPa||34°F|
Wind History for Cove Point LNG Pier, MD(wind in knots) EDIT (on/off)  Help
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Cambridge-Dorchester Airport, MD||13 mi||41 min||SE 4||3.00 mi||Fog/Mist||30°F||30°F||100%||1016.9 hPa|
|St Marys County Airport, MD||19 mi||40 min||N 0||10.00 mi||Fair||37°F||32°F||81%||1017.3 hPa|
|St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity, MD||24 mi||33 min||S 7||10.00 mi||Fair||43°F||35°F||74%||1016.9 hPa|
Wind History from CGE (wind in knots)
|1 day ago||W||W||W||SW||W|
|2 days ago|
EDIT RT Ports Option Weekend mode (on/off) (on/off)  Help One Week of Data
|Smithville Road Bridge |
Click for Map
Sat -- 03:30 AM EST 1.21 feet High Tide
Sat -- 06:42 AM EST Moonrise
Sat -- 06:42 AM EST New Moon
Sat -- 06:50 AM EST Sunrise
Sat -- 09:39 AM EST 0.13 feet Low Tide
Sat -- 04:16 PM EST 1.49 feet High Tide
Sat -- 04:49 PM EST Sunset
Sat -- 05:22 PM EST Moonset
Sat -- 10:21 PM EST 0.36 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
EDIT (on/off)  Help One Week of Data
|Cove Point (1.1 mi. NE of) |
Click for Map
Sat -- 12:00 AM EST 0.00 knots Slack
Sat -- 02:24 AM EST 0.38 knots Max Flood
Sat -- 05:18 AM EST -0.00 knots Slack
Sat -- 06:42 AM EST New Moon
Sat -- 06:43 AM EST Moonrise
Sat -- 06:50 AM EST Sunrise
Sat -- 08:27 AM EST -0.47 knots Max Ebb
Sat -- 10:57 AM EST 0.00 knots Slack
Sat -- 02:20 PM EST 0.79 knots Max Flood
Sat -- 04:50 PM EST Sunset
Sat -- 05:23 PM EST Moonset
Sat -- 06:00 PM EST -0.00 knots Slack
Sat -- 09:24 PM EST -0.75 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Weather Map and Satellite Images(on/off)  Help
|Weather Map ||IR Satellite Image from GEOS|
GOES Local Image of Mid-Atlantic EDIT
Wind Forecast for Wakefield, VA (5,6,7,8)(on/off)  Help
Ad by Google
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.