Marine Weather and Tides
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
|Sunrise 5:58AM||Sunset 9:03PM||Monday June 18, 2018 1:02 PM EDT (17:02 UTC)||Moonrise 10:27AM||Moonset 12:00AM||Illumination 27%|
EDIT (on/off)  Help
7 Day Forecast for Marine Location Near Gratiot, OHHourly EDIT Help
Area Discussion for - Pittsburgh, PA  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus61 kpbz 181558|
area forecast discussion
national weather service pittsburgh pa
1158 am edt Mon jun 18 2018
Hot and humid weather is expected today, with some scattered
storms mainly north of pittsburgh. An approaching front will
bring better rain chances areawide beginning tonight and into
the middle of the week. Slightly cooler air will follow.
Near term through tonight
Only minor changes were made with the noon update to the
forecast. Perhaps the biggest change was to slightly raise pops
across far north locations with lake breeze convection this
afternoon. A line of thunderstorms has already developed along
lake erie, and this line is expected to move southeast during
the day. Previous discussion follows.
A 590 dm ridge remains in control today. For most, the main
story will be the heat and humidity, with widespread high
temperatures at 90 or above expected, along with dewpoints in
the lower 70s. Elected to issue a heat advisory for much of
southeast ohio and a portion of the WV northern panhandle,
thinking that clouds rain will hold off long enough for heat
index values to reach 100 for a couple of hours. There is bust
potential here if clouds end up being a bit thicker than
expected, holding temperatures down, but felt confident enough
to issue for this area.
Otherwise, a frontal boundary will be the main weather player
through tonight, reaching the southern great lakes by this
evening and then into the heart of the CWA by morning. Have kept
chance pops to the north of pittsburgh today, and then spread
likely values into the northern half of the CWA tonight. SPC has
a marginal risk of severe storms near north of i-80 today.
Although mid level lapse rates CAPE aloft look meager for hail,
some mid- level dry air could allow for a downburst storm or
two. With pwat values surging to around 2 inches ahead of the
front and warm cloud depths increasing, efficient rainfall
production can be expected from any storm, especially tonight.
Another warm and humid night can be expected. Also,
Short term Tuesday through Wednesday night
The front will continue to sag southward on Tuesday, and then
stall out near the mason-dixon line through Wednesday. Pops have
been maximized in this area near the boundary. Rainfall totals|
will need to be monitored across the south as high pwat, deep
warm cloud depths, and the focusing mechanism of the front could
allow for locally heavy rainfall. Wpc has a slight risk of
excessive rainfall across our southern counties Tuesday Tuesday
night, which seems justified. A marginal severe storm risk is in
place near the front as well, although moist soundings and
fairly weak flow should limit this potential to one or two
wind-producing storms. Lower pops reside to the north, as the
front may waver a bit. The boundary may finally get a southerly
push Wednesday night as a mid-level trough axis passes, with
decreasing rain chances.
The passage of the front will take the edge off of the heat, but
above-normal temperatures in the upper 70s and lower to mid 80s
Long term Thursday through Sunday
A mainly dry period still seems possible Thursday Thursday night
with the front remaining off to the south, but held on to some
low pops for now. A low pressure wave will ride the boundary
across the mississippi on Friday and across the southern great
lakes this weekend. This will push the front back north, with
increasing rain chances once again. Temperatures will not stray
far from climatology through the extended period.
Aviation 16z Monday through Friday
MainlyVFR conditions are expected today under ridging. The
ridge is expected to shift swd this evening overnight as a cold
front approaches from the n. The front should return shower tstm
chances from n-s, though only mentioned -shra vcts with
timing coverage in question. MVFR CIGS are expected to develop
overnight with moisture pooling along the front.
periodic restrictions are possible through Fri as the front
stalls and wavers across the oh valley region.
Pbz watches warnings advisories
Oh... Heat advisory until 8 pm edt this evening for ohz039-040-048-
Wv... Heat advisory until 8 pm edt this evening for wvz004-012.
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|
|OWXO1 - Old Woman Creek, OH||97 mi||77 min||SW 2.9||89°F||1016 hPa||74°F|
|HHLO1 - Huron Light, OH||99 mi||62 min||W 15 G 19||88°F||1015.2 hPa (+0.0)|
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Newark, Newark Heath Airport, OH||13 mi||68 min||SW 8||10.00 mi||A Few Clouds||88°F||73°F||63%||1017.5 hPa|
|Zanesville, Zanesville Municipal Airport, OH||18 mi||69 min||WSW 10||10.00 mi||Fair||88°F||71°F||57%||1017.8 hPa|
Wind History from VTA (wind in knots)
|1 day ago||SW||W||SW||SW|
|2 days ago||W||Calm||E||E||E||E||Calm||Calm||NW||Calm||Calm||Calm||Calm||Calm||Calm||NW||Calm||Calm||SW||S||SW||S |
EDIT RT Ports Option Weekend mode (on/off) (on/off)  Help
EDIT (on/off)  Help
Weather Map and Satellite Images(on/off)  HelpWeather Map
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.
target = "new">Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Pittsburgh, PA (13,3,4,5)(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.