Marine Weather and Tides
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.
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.
|Sunrise 5:36AM||Sunset 7:37PM||Wednesday April 25, 2018 7:43 PM EDT (23:43 UTC)||Moonrise 2:48PM||Moonset 3:44AM||Illumination 81%|
EDIT (on/off)  Help
|ANZ152 Coastal Waters From Port Clyde, Me To Cape Elizabeth, Me Out 25 Nm- 536 Pm Edt Wed Apr 25 2018 |
.small craft advisory in effect through Thursday evening...
Tonight..SE winds 15 to 25 kt with a few gusts up to 35 kt. Seas 5 to 8 ft, building to 7 to 10 ft after midnight. Rain. Areas of drizzle after midnight. Areas of fog after midnight. Vsby 1 to 3 nm.
Thu..S winds 10 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft. Areas of fog in the morning. Showers with areas of drizzle in the morning, then a chance of showers in the afternoon. Vsby 1 to 3 nm in the morning.
Thu night..SW winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft.
Fri..SW winds 5 to 10 kt, becoming S in the afternoon. Seas 5 to 7 ft. A chance of showers in the afternoon.
Fri night..S winds 10 to 15 kt. Seas 5 to 8 ft. Showers likely.
Sat..S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. A chance of showers in the morning.
Sat night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Sun..W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Sun night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Mon..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Mon night..W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
|ANZ100 536 Pm Edt Wed Apr 25 2018 |
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure moves north toward new england today. As the low moves through northern new england on Thursday it will send a cold front eastward across the gulf of maine with high pressure building behind it through Friday morning. The next low may track up the east coast and toward the gulf of maine as early as Friday night with a stronger cold front arriving on Saturday.
7 Day Forecast for Marine Location Near Newcastle, MEHourly EDIT Help
Area Discussion for - Gray/Portland, ME  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus61 kgyx 252152|
area forecast discussion
national weather service gray me
552 pm edt Wed apr 25 2018
Low pressure over the mid atlantic coast will move north through
the area tonight and early Thursday with a good soaking rain.
This system will slowly exit the region late Thursday allowing
clearing Thursday night into early Friday. Another area of low
pressure will move into the region late Fri and Friday night.
Some instability showers are possibly mainly in the afternoon
and evening Saturday. A cold front with cooler drier air arrives
on Sunday. A warming trend is expected to begin early next
Near term until 6 am Thursday morning
6 pm update... Have updated pops and winds a little bit based on
latest observations as well as mesoscale model output. Heaviest
slug of rain is moving into southern zones now, and should
mainly be north and east of the forecast area around or just
after midnight (except for the mid coast of maine). Fog and
drizzle should end up filling in behind this slug of rain and
last through the overnight. As the main short wave trough
impinges on the area early Thursday morning, showery
precipitation should develop and sweep across the forecast area,
as the air mass becomes weakly unstable. Cannot rule out
isolated thunder at that time.
most of the precip with this event will fall through this
evening as decent slug of rain, currently congealing over SE ma,
will move nne across areas along and just inland of the coast.
This is in response to tightening WAA at mid-lvls, which is also
developing a low level jet in the region. Models are in some
agreement that some places near the coast could see close to an
inch of rain or so between 22-06z or so. So, the +ra wording was
put into the forecast for the evening. Could see some localized
areas of urban and poor drainage flooding, but overall not
anticipating anything significant. The surge of decent se
upslope flow overnight, will also produce enhanced amounts in
these areas of the mtns, and this will drain into some rivers
and tributaries that are already running high due to snowmelt,
so, the flood watch will be held as it is. The rain will lighten
up some after midnight, but should continue thru most of the
night before it tapers off to showers anywhere but maybe SRN nh.
Temps will fall off a little bit tonight, but lows will mostly
be in the mid to upper 40s.
Short term 6 am Thursday morning through Thursday night
Could see another surge of steady rain move across ERN zones thu
morning, but other areas will be more showery, although clouds
and fog will linger through at least the first part of the
morning, until winds shift to the west. Should see showers end
around midday in SRN nh and far SW me, but clouds will linger
through a good part of the day, with some breaks of Sun late.
Most everywhere else will see a chance of showers thru the
afternoon, with mainly cloudy skies. Highs will generally be in
the mid to upper 50s in the mtns and eastern zones, where
clouds and rain will hang around longer, to 60-65 in SW me and
srn nh, where it will be drier, with a greater chance of some
sun, and downslope W flow.
Should see showers ending early Thu evening everywhere with clearing
overnight. Winds will diminish a bit and allow temps to cool,
with lows upper 30s to mid 40s.
Long term Friday through Wednesday
Models indicate another short wave trof moving across the
southern jet stream will lift northeast to the mid atlantic|
region Fri forming another area of low pres along the mid
atlantic coast that will move north into the area with a similar
track as its predecessor. This will mean another round of rain
or showers will overspread the area late Fri through Fri night.
Qpf amounts may be in the 1 2-1 inch range. The system will be a
fast mover and move into the maritimes by Sat with a dry slot
of air to arrive for Sat with a cyclonic flow aloft remaining.
The combination of some heating on Sat with the cyclonic flow
aloft may allow some scattered afternoon showers to develop. On
Sunday the cold trof aloft over the great lakes progresses east
and allows a cooler northwest flow to develop Sunday with more
instability showers expected due to steepening lapse rates with
any daytime surface heating. Winds may become gusty due to the
strong northwest winds aloft mixing down to the surface. Temps
will be cool through Sunday.
Early next week a progressive large upper ridge will build east
and become further amplified by Wed with a much warmer southwest
flow to develop with dry conditions. Bottom line is a major
warm up is looking like a reality beginning early next week and
continuing through at least mid week. With a broad west to
southwest flow expected tue-wed, guidance temps will likely be
forecast too low for days 6-7. For now stayed close to guidance
temps to match surrounding forecast areas.
Aviation 22z Wednesday through Monday
Short term... Conds will drop to ifr or lower everywhere this
evening and stay there into early thu. Some improvement toVFR
possible by afternoon at kcon kmht kpsm kpwm, with MVFR
lingering thru the afternoon elsewhere.VFR expected everywhere
Long term...VFR early Fri with conditions lowering to MVFR ifr
late Fri into Sat in rain showers.VFR conditions return Sunday
with gusty NW winds in the afternoon.
Short term... SCA up for both winds and seas tonight, as SE winds
gust to 30 kts or so. Seas stay up Thu into Thu night, although
winds will shift to W and diminish, so will likely need to
convert SCA to haz seas versions during the day thu, and extend
it thru at least Thu night.
Long term... Seas over the outer waters will remain AOA 5 ft f
fri into Sat so sca's for seas will likely be needed even
though winds will remain light for that time frame. On Sun winds
shift to westerly and continue into early next week and should
remain generally below SCA conditions.
Expect continued snow melt to combine with about
an inch or so of rainfall to bring further rises to all rivers,
but especially the headwaters that drain eastward out of the
mountains toward the atlantic. These are the areas most likely
to see minor flooding, and some locations are currently forecast
by the RFC to reach minor flooding. Because of this, we have
kept a flood watch going covering the most likely impacted
areas, including the upper saco river as well as tributaries of
the androscoggin river. Flooding cannot be ruled out on the
upper pemigewasset river as well as along the kennebec.
Gyx watches warnings advisories
Me... Flood watch through Thursday afternoon for mez007>009-012>014-
Nh... Flood watch through Thursday afternoon for nhz001>006.
Marine... Small craft advisory until 8 am edt Thursday for anz151-153.
Small craft advisory until 8 pm edt Thursday for anz150-152-
Near term... Ekster
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|
|44032 - Buoy E0104 - Central Maine Shelf||24 mi||100 min||ESE 16 G 19||46°F||43°F||3 ft||1012.8 hPa|
|44033 - Buoy F0103 - West Penobscot Bay||29 mi||100 min||SE 12 G 16||45°F||42°F||2 ft||1015 hPa|
|MISM1 - Matinicus Rock, ME||40 mi||44 min||ESE 25 G 27||46°F||1013.6 hPa (-2.7)|
|CASM1 - 8418150 - Portland, ME||45 mi||44 min||47°F||42°F||1011.4 hPa (-4.0)|
|44007 - PORTLAND 12 NM Southeast of Portland,ME||47 mi||54 min||SE 19 G 21||46°F||43°F||3 ft||1010.5 hPa (-4.6)||46°F|
Wind History for Wells, ME(wind in knots) EDIT (on/off)  Help
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Wiscasset Airport, ME||10 mi||51 min||E 8||4.00 mi||Light Rain Fog/Mist||51°F||51°F||100%||1013.7 hPa|
|Rockland, Knox County Regional Airport, ME||23 mi||48 min||ESE 12||5.00 mi||Light Rain Fog/Mist||47°F||46°F||97%||1014.8 hPa|
|Augusta, Augusta State Airport, ME||24 mi||51 min||SE 8||3.00 mi||Light Rain Fog/Mist||51°F||48°F||92%||1013.7 hPa|
Wind History from IWI (wind in knots)
|1 day ago||S||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||SW||S||SW||S||S||S||S||S||S||S||S|
|2 days ago||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||Calm||SW||W||Calm||SE||S||S||S||SW||SW |
EDIT RT Ports Option Weekend mode (on/off) (on/off)  Help One Week of Data
Click for Map
Wed -- 02:06 AM EDT 0.74 feet Low Tide
Wed -- 03:43 AM EDT Moonset
Wed -- 05:38 AM EDT Sunrise
Wed -- 08:14 AM EDT 9.94 feet High Tide
Wed -- 02:44 PM EDT -0.04 feet Low Tide
Wed -- 02:48 PM EDT Moonrise
Wed -- 07:34 PM EDT Sunset
Wed -- 08:56 PM EDT 9.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
EDIT (on/off)  Help One Week of Data
|Sheepscot River (off Barter Island) |
Click for Map
Wed -- 02:54 AM EDT 0.00 knots Slack
Wed -- 03:44 AM EDT Moonset
Wed -- 04:47 AM EDT 0.77 knots Max Flood
Wed -- 05:39 AM EDT Sunrise
Wed -- 08:53 AM EDT -0.00 knots Slack
Wed -- 11:59 AM EDT -1.20 knots Max Ebb
Wed -- 02:48 PM EDT Moonrise
Wed -- 03:27 PM EDT 0.00 knots Slack
Wed -- 05:23 PM EDT 0.80 knots Max Flood
Wed -- 07:34 PM EDT Sunset
Wed -- 09:37 PM EDT -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Weather Map and Satellite Images(on/off)  HelpWeather Map
GOES Local Image of Northeast 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 Gray/Portland, ME (19,4,5,8)(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.