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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 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 |
| Sunrise 5:49AM | Sunset 7:36PM | Wednesday August 21, 2019 9:23 PM EDT (01:23 UTC) | Moonrise 10:39PM | Moonset 11:34AM | Illumination 61% |  |
ANZ153 Casco Bay- 722 Pm Edt Wed Aug 21 2019
Rest of tonight..S winds 5 to 10 kt, becoming sw. Seas 2 to 3 ft. Showers with tstms likely this evening, then a slight chance of showers. Areas of fog. Some tstms may produce gusty winds and heavy rainfall this evening. Vsby 1 to 3 nm.
Thu..SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog in the morning. A chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning.
Thu night..NW winds 5 to 10 kt. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight.
Fri..W winds around 5 kt. Seas 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 foot or less.
Sat..N winds 5 to 10 kt. Seas 1 foot or less.
Sat night..NE winds 5 to 10 kt. Seas 1 foot or less, then 2 to 3 ft after midnight.
Sun..E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Sun night..NE winds 5 to 10 kt. Seas around 2 ft.
Mon..E winds 5 to 10 kt. Seas around 2 ft.
Mon night..SE winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
Rest of tonight..S winds 5 to 10 kt, becoming sw. Seas 2 to 3 ft. Showers with tstms likely this evening, then a slight chance of showers. Areas of fog. Some tstms may produce gusty winds and heavy rainfall this evening. Vsby 1 to 3 nm.
Thu..SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog in the morning. A chance of showers and tstms in the afternoon. Vsby 1 to 3 nm in the morning.
Thu night..NW winds 5 to 10 kt. Seas 2 to 3 ft, subsiding to 1 to 2 ft after midnight.
Fri..W winds around 5 kt. Seas 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 foot or less.
Sat..N winds 5 to 10 kt. Seas 1 foot or less.
Sat night..NE winds 5 to 10 kt. Seas 1 foot or less, then 2 to 3 ft after midnight.
Sun..E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Sun night..NE winds 5 to 10 kt. Seas around 2 ft.
Mon..E winds 5 to 10 kt. Seas around 2 ft.
Mon night..SE winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
ANZ100 722 Pm Edt Wed Aug 21 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. A warm front will move through the waters tonight with showers and Thunderstorms. A cold front will cross through the region Thursday afternoon and evening with high pressure building over the waters on Friday and continuing through the weekend. &&
Synopsis for stonington me to merrimack river ma out to 25 nm.. A warm front will move through the waters tonight with showers and Thunderstorms. A cold front will cross through the region Thursday afternoon and evening with high pressure building over the waters on Friday and continuing through the weekend. &&
7 Day Forecast for Marine Location Near Bowdoinham, ME
Hourly EDIT Helplocation: 44.01, -69.9 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 211938 afdgyx area forecast discussion national weather service gray me 338 pm edt Wed aug 21 2019 Synopsis Showers and thunderstorms will move through the region this evening. A cold front will sweep across the region early tomorrow followed by cooler and drier air. High pressure will build in over the weekend and early next week allowing for fair weather. Near term through tonight Warm front is beginning to sneak into southern new hampshire at this time... With associated thunderstorm activity beginning to weaken as it heads east into retreating cooler airmass. Attention through this evening will turn to convective line associated with prefrontal trough now over eastern new york. Watching cloud trends on GOES 16 visible imagery suggests that some partial clearing will work into far southern nh ahead of this line... And expect this to be the focus of the severe threat through the evening hours. While instability will be beginning to wane... 0-6km shear will remain AOA 30kts with afternoon cams suggesting a linear mode with bowing segments. In fact... 0-3km shear also remains rather impressive... With 0-3km storm relative helicity values suggesting some threat for not only damaging winds... But mesovortex development with an isolated tornado still possible. This matches well with what has occurred with the line over eastern new york. Beyond the convection... Expect ample boundary layer moisture to result in areas of fog overnight as temperatures fall back into the 60s... With the potential for it to be locally dense... Particularly along the midcoast. Short term Thursday through Thursday night Trailing cold front will move through the region Thursday afternoon. While moisture will be more limited than today... There will be a rather impressive wind field aloft. At this time... Expect a line of scattered showers to move southeast through the region in the afternoon with the greatest threat for thunder along the midcoast where instability will be greatest as the front will reach here last . Will include thunder mention... But not enhanced wording at this time given lower confidence in occurrence. Temperatures in the mountains remain in the 70s... But ahead of the front temperatures will reach the mid upper 80s. Front settles south of the region Thursday night with clearing skies. Temperatures will fall into the 50s with valley fog |
likely. Long term Friday through Wednesday Looks like a fairly quiet extended period. Long term starts with a long wave trough dominating the upper level pattern over the eastern united states, with west to southwest flow over new england. This looks to be a fairly dry and cool pattern for us. The trough migrates off to the east on Saturday as upper level ridging moves in from the west. The upper level ridge will remain in place through at least Tuesday of next week. High temperatures through this time frame should be in the 70s, with overnight lows in the 40s and 50s. The next chance for appreciable precipitation won't be until Wednesday night and Thursday of next week. Aviation 19z Wednesday through Monday Short term through Thursday night ... showers and embedded thunderstorms will impact the terminals through this evening before moving east of the area overnight. Best threat for a severe thunderstorm will be at leb con mht psm through this evening. Otherwise... Local ifr likely in the showers and storms before the focus turns to fog overnight with ifr likely throughout the region and vlifr lifr more likely for aug and rkd. Long term... MostlyVFR with early morning valley fog. Marine Short term through Thursday night ... south southwesterly winds continue through Thursday before shifting westerly and then northwesterly behind a cold front Thursday night. Winds will near SCA levels for a time overnight tonight over the outer waters. Long term... No flags expected. Gyx watches warnings advisories Me... None. Nh... None. Marine... None. Synopsis... Pohl near term... Arnott short term... Arnott long term... Pohl aviation... Arnott pohl marine... Arnott pohl |
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 |
| CASM1 - 8418150 - Portland, ME | 31 mi | 54 min | 67°F | 64°F | ||||
| 44032 - Buoy E0104 - Central Maine Shelf | 35 mi | 80 min | ESE 7.8 G 7.8 | 65°F | 63°F | 2 ft | 1009.5 hPa | |
| 44007 - PORTLAND 12 NM Southeast of Portland,ME | 36 mi | 94 min | SE 7.8 G 9.7 | 67°F | 66°F | 2 ft | 1009.4 hPa (-2.4) | 67°F |
| 44033 - Buoy F0103 - West Penobscot Bay | 48 mi | 80 min | SE 9.7 G 12 | 64°F | 63°F | 1 ft | 1010.7 hPa |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 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 | |
| Last 24hr | NW | N | N | NW | -- | NW | N | N | N | W | SE | S | S | S | SW G9 | W | S | NE | NE | NE | NE | NE | SW | -- |
| 1 day ago | W | NW | W G10 | NW G14 | NW G8 | W G8 | NW G11 | NW | NW G8 | NW G8 | NW G9 | N G8 | N G6 | -- | SE | SE G10 | S | S | S | S | S | SW | SW | S |
| 2 days ago | S | E | E | NE | SE | SW | -- | W | NW | W | W | W G6 | SE G7 | S G11 | S | S | -- | S | S | SW G12 | W G8 | W G7 | SE | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Wiscasset Airport, ME | 11 mi | 91 min | E 4 | 7.00 mi | Light Rain | 69°F | 68°F | 96% | 1011 hPa |
| Auburn-Lewiston, ME | 21 mi | 88 min | N 0 | 10.00 mi | Overcast | 69°F | 68°F | 96% | 1012.2 hPa |
| Augusta, Augusta State Airport, ME | 22 mi | 91 min | SE 4 | 4.00 mi | Light Rain Fog/Mist | 68°F | 68°F | 100% | 1011.1 hPa |
Link to 5 minute data for KIWI
Wind History from IWI (wind in knots)
| 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 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 | |
| Last 24hr | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | S | S | SW | SW | Calm | SE | E | E | E | SE | ||
| 1 day ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NE | Calm | Calm | Calm | S | S | SW | Calm | Calm | ||||||||
| 2 days ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | S | S | S | S | S | S | S | Calm | Calm |
Tide / Current Tables for Bowdoinham, Cathance River, Maine
EDIT Weekend mode (on/off) (on/off) Help One Week of DataBowdoinham
Click for Map
Wed -- 05:50 AM EDT Sunrise
Wed -- 05:53 AM EDT 5.60 feet High Tide
Wed -- 11:34 AM EDT Moonset
Wed -- 12:08 PM EDT 0.59 feet Low Tide
Wed -- 06:14 PM EDT 5.68 feet High Tide
Wed -- 07:34 PM EDT Sunset
Wed -- 10:38 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 05:50 AM EDT Sunrise
Wed -- 05:53 AM EDT 5.60 feet High Tide
Wed -- 11:34 AM EDT Moonset
Wed -- 12:08 PM EDT 0.59 feet Low Tide
Wed -- 06:14 PM EDT 5.68 feet High Tide
Wed -- 07:34 PM EDT Sunset
Wed -- 10:38 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 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 |
| 0.6 | 1 | 2 | 3.2 | 4.5 | 5.4 | 5.6 | 5.3 | 4.4 | 3.3 | 2 | 1 | 0.6 | 0.8 | 1.6 | 2.8 | 4.1 | 5.2 | 5.7 | 5.5 | 4.9 | 3.8 | 2.5 | 1.4 |
Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
EDIT (on/off) Help One Week of DataUpper Hell Gate (Sasanoa River
Click for Map
Wed -- 01:07 AM EDT 0.00 knots Slack
Wed -- 04:05 AM EDT 0.82 knots Max Flood
Wed -- 05:49 AM EDT Sunrise
Wed -- 08:09 AM EDT -0.00 knots Slack
Wed -- 10:21 AM EDT -0.83 knots Max Ebb
Wed -- 11:33 AM EDT Moonset
Wed -- 01:21 PM EDT 0.00 knots Slack
Wed -- 04:30 PM EDT 0.89 knots Max Flood
Wed -- 07:34 PM EDT Sunset
Wed -- 08:44 PM EDT -0.00 knots Slack
Wed -- 10:38 PM EDT Moonrise
Wed -- 10:48 PM EDT -0.76 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:07 AM EDT 0.00 knots Slack
Wed -- 04:05 AM EDT 0.82 knots Max Flood
Wed -- 05:49 AM EDT Sunrise
Wed -- 08:09 AM EDT -0.00 knots Slack
Wed -- 10:21 AM EDT -0.83 knots Max Ebb
Wed -- 11:33 AM EDT Moonset
Wed -- 01:21 PM EDT 0.00 knots Slack
Wed -- 04:30 PM EDT 0.89 knots Max Flood
Wed -- 07:34 PM EDT Sunset
Wed -- 08:44 PM EDT -0.00 knots Slack
Wed -- 10:38 PM EDT Moonrise
Wed -- 10:48 PM EDT -0.76 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 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 |
| -0.3 | -0 | 0.3 | 0.6 | 0.8 | 0.7 | 0.5 | 0.3 | 0.1 | -0.4 | -0.8 | -0.7 | -0.4 | -0.1 | 0.2 | 0.5 | 0.8 | 0.9 | 0.7 | 0.5 | 0.3 | -0.1 | -0.6 | -0.8 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
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 (21,6,7,8)
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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. |