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Marine Weather and Tides
Version 3.4 |
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 7:39PM | Thursday April 26, 2018 5:17 AM EDT (09:17 UTC) | Moonrise 3:58PM | Moonset 4:16AM | Illumination 84% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ152 Coastal Waters From Port Clyde, Me To Cape Elizabeth, Me Out 25 Nm- 324 Am Edt Thu Apr 26 2018 .small craft advisory in effect through this evening... Today..S winds 5 to 15 kt, becoming sw 10 to 15 kt this afternoon. Gusts up to 25 kt. Seas 7 to 10 ft. Areas of fog this morning. A chance of showers. Tonight..SW winds 10 to 15 kt, becoming W 5 to 15 kt after midnight. Gusts up to 25 kt. Seas 6 to 9 ft. Fri..SW winds 5 to 10 kt, becoming S in the afternoon. Seas 4 to 7 ft. A chance of showers in the afternoon. Fri night..SE winds 10 to 15 kt. Seas 4 to 7 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 4 to 7 ft. Sat night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers after midnight. Sun..SW winds around 10 kt. Seas 4 to 5 ft. A chance of showers. Sun night..W winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Mon..W winds around 10 kt. Seas 3 to 5 ft. Mon night..W winds around 10 kt. Seas around 3 ft. | ANZ100 324 Am Edt Thu Apr 26 2018 Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure tracks north through western maine today, with winds shifting to the west behind a cold front during the day. High pressure builds through on Friday before another weak wave moves through Friday night. High pressure follows this wave for Saturday, with the next significant cold front arriving Sunday morning. |
7 Day Forecast for Marine Location Near Wiscasset, ME
Hourly EDIT Helplocation: 43.93, -69.67 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 260747 afdgyx area forecast discussion national weather service gray me 347 am edt Thu apr 26 2018 Synopsis Low pressure tracks north through western maine today with another round of showers possible this afternoon. 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 week. Near term today Area of steady rain has moved east into central and eastern maine, while behind it only a few isolated showers exist. Expect the steady rain to continue to slowly push east this morning, while fog develops in the wake of it. Fog should dissipate after sunrise, hanging on longest across interior western maine. Surface low pressure lifts north through the area today while upper level low pressure tracks east out of the great lakes and into northern new england. As the upper low arrives, expect areas of showers to develop. With cold air moving in aloft and warm moist air at ground level, cannot rule out a thunderstorm this afternoon. Given cold temperatures aloft, small hail is possible with any heftier showers or thunderstorms. Short term tonight Upper low moves east tonight with some clearing expected. Temperatures fall back into the low 40s with some upper 30s possible, buoyed in part by remnant low level moisture. Long term Friday through Wednesday Highlights... *continued shower activity through the weekend will contribute to rises on area rivers and streams *significant warm up expected early next week low pressure associated with a northern stream short wave will be ejecting northeast late Thursday night into the wee hours Friday morning. Subsidence behind this system will allow for some clearing skies early Friday before additional moisture arrives ahead of the next weather maker. This system will be ushered in on a southern stream wave along the mid atlantic coast line, similar to out current storm system. Widespread showers are forecast for our entire area over the weekend. Coastal low pressure will likely stay just offshore until crossing the gulf of maine and into maine Saturday morning. Sprawling high pressure over the plains and western great lakes region will interfere with farther movement inland. An additional mesolow deepens over the eastern great lakes and will follow suit, bringing with it a trailing cold front. QPF amounts will be in the 1-2" range for the Friday to Sunday time frame, delivering another good soaking rain and adding to already high running creeks and streams. We may see some snow mix in over the mountains Sunday night as cooler air arrives behind the multiple fropas, but accumulations will be |
light. During this time temperatures will be below normal for highs due to clouds and precipitation. Overnight lows will be chilly, especially Monday morning, which will see some freezing temperatures over western nh and northern me. Ironically, our frost freeze program for crops does not start until may 1, so take care to cover any sensitive plants. Monday through mid week we will see some very warm readings with highs in the 70s areawide with perhaps an 80 degree location or two. Aviation 07z Thursday through Monday Short term... Steadier rain moves into central and eastern maine this morning, while some fog develops behind it. This fog should lift a few hours after sunrise withVFR conditions developing from southwest to northeast. But just as the Sun begins to come out, clouds will fill back in and showers form this afternoon. Cannot rule out an isolated thunderstorm either. Long term...VFR early Friday with conditions lowering to MVFR ifr late Friday into Saturday in rain showers.VFR conditions return for all terminals except perhaps khie Sunday. Gusty NW winds will develop in the afternoon. Marine Short term... Winds gradually diminishing this morning, shifting to the west by afternoon. Seas remain high through the day and possibly into Friday. Long term... Seas over the outer waters will remain AOA 5 feet Friday into Saturday so scas for seas will likely be needed. On Sunday winds become westerly and should remain generally below SCA conditions. Hydrology Steadier rain has ended and rises on area rivers have been noted. With the more persistent rain having exited new hampshire and most rivers there already cresting below flood stage, have decided to drop the flood watch for northern new hampshire. Rivers in northwest maine are rising or nearing their crest, so will keep the flood watch up for these areas. Gyx watches warnings advisories Me... Flood watch through this afternoon for mez007>009-012>014-021. Nh... None. Marine... Small craft advisory until 8 am edt this morning for anz151- 153. Small craft advisory until 8 pm edt this evening for anz150- 152-154. Near term... Kimble short term... Kimble long term... Hanes |
Weather Reporting Stations
EDIT (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 | 22 mi | 74 min | SSE 14 G 14 | 46°F | 44°F | 7 ft | 1003.1 hPa | |
| CASM1 - 8418150 - Portland, ME | 36 mi | 48 min | 46°F | 43°F | 1003 hPa | |||
| 44033 - Buoy F0103 - West Penobscot Bay | 37 mi | 74 min | SE 3.9 G 5.8 | 44°F | 41°F | 5 ft | 1004.8 hPa | |
| 44007 - PORTLAND 12 NM Southeast of Portland,ME | 38 mi | 88 min | Calm G 1.9 | 45°F | 42°F | 6 ft | 1003.5 hPa (-1.9) | 45°F |
| MISM1 - Matinicus Rock, ME | 44 mi | 78 min | SSE 26 G 28 | 46°F | 1003.9 hPa (-2.9) |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | |
| Last 24hr | S | S | -- | NE | E | E | E | E | E | E G12 | E G13 | E | NE | SE G11 | SE G13 | E | S | S | E | E | E | E | E | E |
| 1 day ago | S | SW | S | S | S G16 | S | S G21 | S G21 | S | S G26 | S | S | S | S | S | S | S G14 | S G16 | S | SW | SW | SW | S | S |
| 2 days ago | NW | NW | NW | NW G4 | S G7 | S | S G14 | S G16 | S | S | S G18 | S | S | S | S G13 | SW | SW G10 | S | SW | SW | S | SW | -- | -- |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Wiscasset Airport, ME | 2 mi | 25 min | Var 3 | 2.50 mi | Fog/Mist | 49°F | 48°F | 100% | 1003.8 hPa |
Wind History from IWI (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | |
| Last 24hr | S | S | S | S | S | SE | SE G14 | E | E G15 | E G17 | SE G19 | S | S | S | ||||||||||
| 1 day ago | Calm | SW | S | SW | S | S | S | S | S | S | S | S G17 | S G18 | S | S | SW | SW | SW G15 | SW | SW | SW G14 | SW | Calm | |
| 2 days ago | Calm | Calm | Calm | Calm | SW | W | Calm | SE | S | S | S | SW | SW | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
Tide / Current Tables for Cross River entrance, Sheepscot River, Maine
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Cross River entrance Click for Map Thu -- 02:48 AM EDT 0.34 feet Low Tide Thu -- 04:16 AM EDT Moonset Thu -- 05:37 AM EDT Sunrise Thu -- 09:06 AM EDT 9.90 feet High Tide Thu -- 03:19 PM EDT -0.20 feet Low Tide Thu -- 03:57 PM EDT Moonrise Thu -- 07:35 PM EDT Sunset Thu -- 09:41 PM EDT 9.98 feet High Tide Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 4.4 | 2.1 | 0.7 | 0.4 | 1.2 | 3 | 5.4 | 7.7 | 9.3 | 9.9 | 9.4 | 7.8 | 5.4 | 2.8 | 0.8 | -0.1 | 0.1 | 1.5 | 3.8 | 6.4 | 8.5 | 9.7 | 9.9 | 8.9 |
Tide / Current Tables for Sheepscot River (off Barter Island), Maine Current
EDIT (on/off) Help One Week of Data| Sheepscot River (off Barter Island) Click for Map Thu -- 12:46 AM EDT -1.12 knots Max Ebb Thu -- 03:54 AM EDT 0.00 knots Slack Thu -- 04:16 AM EDT Moonset Thu -- 05:38 AM EDT Sunrise Thu -- 05:47 AM EDT 0.75 knots Max Flood Thu -- 09:54 AM EDT -0.00 knots Slack Thu -- 01:08 PM EDT -1.23 knots Max Ebb Thu -- 03:57 PM EDT Moonrise Thu -- 04:22 PM EDT 0.00 knots Slack Thu -- 06:21 PM EDT 0.82 knots Max Flood Thu -- 07:35 PM EDT Sunset Thu -- 10:32 PM EDT -0.00 knots Slack Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| -1.1 | -1.1 | -1 | -0.6 | 0.1 | 0.6 | 0.7 | 0.6 | 0.6 | 0.4 | -0.1 | -0.7 | -1.1 | -1.2 | -1.2 | -0.9 | -0.3 | 0.4 | 0.8 | 0.8 | 0.7 | 0.7 | 0.3 | -0.3 |
Weather Map and Satellite Images
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GOES Local Image of 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 Gray/Portland, ME (5,6,7,8)
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Ground Weather Radar Station Portland, ME
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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. |