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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 5:53AM | Sunset 7:45PM | Monday August 19, 2019 10:53 PM EDT (02:53 UTC) | Moonrise 9:56PM | Moonset 9:38AM | Illumination 80% |  |
ANZ153 Casco Bay- 526 Pm Edt Mon Aug 19 2019
Rest of tonight..SW winds 5 to 10 kt with gusts up to 20 kt, becoming w. Seas 2 to 3 ft. A chance of showers and tstms early.
Tue..NW winds around 5 kt, becoming sw in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less.
Tue night..S winds 5 to 10 kt. Seas 1 to 2 ft.
Wed..S winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers in the morning, then a chance of showers and tstms in the afternoon.
Wed night..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of tstms in the evening. A chance of showers.
Thu..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the afternoon.
Thu night..NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the evening.
Fri..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Sat..N winds 5 to 10 kt. Seas 1 foot or less.
Sat night..N winds around 5 kt. Seas 1 foot or less. Winds and seas higher in and near tstms.
Rest of tonight..SW winds 5 to 10 kt with gusts up to 20 kt, becoming w. Seas 2 to 3 ft. A chance of showers and tstms early.
Tue..NW winds around 5 kt, becoming sw in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less.
Tue night..S winds 5 to 10 kt. Seas 1 to 2 ft.
Wed..S winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers in the morning, then a chance of showers and tstms in the afternoon.
Wed night..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of tstms in the evening. A chance of showers.
Thu..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the afternoon.
Thu night..NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the evening.
Fri..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Sat..N winds 5 to 10 kt. Seas 1 foot or less.
Sat night..N winds around 5 kt. Seas 1 foot or less. Winds and seas higher in and near tstms.
ANZ100 526 Pm Edt Mon Aug 19 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. A cold front will trigger showers and Thunderstorms through this evening. High pressure will crest over the region on Tuesday before shifting offshore to the southeast. A low pressure will slowly move northeast through southern quebec on Wednesday. A secondary trough of low pressure will drop southeast through the region Thursday night and Friday. High pressure will gradually build in from the west over the weekend. &&
Synopsis for stonington me to merrimack river ma out to 25 nm.. A cold front will trigger showers and Thunderstorms through this evening. High pressure will crest over the region on Tuesday before shifting offshore to the southeast. A low pressure will slowly move northeast through southern quebec on Wednesday. A secondary trough of low pressure will drop southeast through the region Thursday night and Friday. High pressure will gradually build in from the west over the weekend. &&
7 Day Forecast for Marine Location Near Bartlett, NH
Hourly EDIT Helplocation: 44.07, -71.28 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 192352 afdgyx area forecast discussion national weather service gray me 752 pm edt Mon aug 19 2019 Synopsis High pressure will crest over the region on Tuesday before shifting offshore to the southeast. Low pressure will slowly move northeast through southern quebec on Wednesday. A secondary trough of low pressure will drop southeast through the region Thursday night and Friday. High pressure will gradually build in from the west over the weekend. Near term tonight 8pm update... have updated the forecast to adjust for latest observations just as the last of the remaining showers exit stage right. Also added some fog for the interior valleys as well as the augusta region where some heavier rain late this evening could lead to a greater chance for fog formation. 530pm update... have updated the forecast to refine hourly precipitation chances and drop the severe thunderstorm watch. Best remaining thunderstorm activity is north of the watch and decreasing in intensity, with the axis of convection offshore of southern areas and nearing the coast in eastern areas. Fog is possible tonight especially in areas that got rain this evening. Original discussion... a short wave trough will move across the region this evening, and will be associated with scattered showers and thunderstorms. Given the amount of moisture and CAPE along with steep low level lapse rates, a few storms may be severe. Damaging winds and torrential downpours will be the main threat. The threat for storms ends by 00z as a short wave trough quickly moves offshore. Clearing is expected tonight in the wake of the front. Valley fog, some dense, is expected overnight. Some dense fog will also be possible on the midcoast as well. Short term 6 am Tuesday morning through Tuesday night Fair weather expected Tuesday with short wave ridging in place. Highs will be well into the 80s, but with far less humidity. The next short wave trough and attendant warm front approaches late Tuesday night, with an increasing chances for showers and |
a few thunderstorms across southern zones late. Long term Wednesday through Monday Unsettled weather through Friday and drier air will move in for the weekend. A frontal system to the south of the forecast area will move back north with increasing chance of showers and thunderstorms through Wednesday night. Dewpoint temperatures will climb back to near 70 on Wednesday afternoon. Wednesday will start out with chance showers and thunderstorms with the warm front passage. The cold front will pass through later in the day giving likely showers and thunderstorms in the afternoon and evening. Thursday will still be a warm day but dewpoint temperatures will be a bit more comfortable. The cooler and drier air sets in for Friday with dewpoints in the mid 50s or less. Showers possible in the mountains Friday afternoon. High pressure from the west will dominate the weekend with cooler and drier air. High temperatures over the weekend and Monday are forecast to be in the 70s with low humidity. Aviation 22z Monday through Saturday Short term...VFR to start the night, but fog is possible in the western new hampshire valleys including leb and hie. Rain this evening at aug and psm will increase the chance of fog there tonight as well. Should see everyone return toVFR Tuesday morning. Long term... Expect occasional MVFR ifr in showers and thunderstorms on Wednesday and Thursday. Friday possible MVFR in afternoon showers at hie butVFR expected elsewhere. Marine Short term... Conditions are expected to remain below sca thresholds through Tuesday night. Marine fog is likely off the midcoast of me tonight. Long term... SCA possible Wednesday and Thursday mainly due to seas. Gyx watches warnings advisories Me... None. Nh... None. Marine... None. Near term update... Kimble short term... Ekster long term... Becker |
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 | 62 mi | 59 min | 77°F | 64°F | ||||
| WELM1 - 8419317 - Wells, ME | 64 mi | 59 min | W 1.9 G 4.1 | 74°F | 71°F | 1013.3 hPa | ||
| WEXM1 - Wells Reserve, ME | 64 mi | 53 min | SW 1.9 | 71°F | 70°F |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | 10 PM | |
| Last 24hr | 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 | W |
| 1 day ago | E | SE | S | -- | SW | W | SW | W | -- | NW | NW | SE | SE | E | E | SE | SE | SE | E | SE | SE | S | S | S |
| 2 days ago | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | SW | S | S G8 | S | E | SE | SE G4 | SE | SE | E | SE |
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 |
| Mount Washington, NH | 15 mi | 2 hrs | W 39 G 50 | 0.00 mi | Fog and Windy | 55°F | 55°F | 100% | 0 hPa |
| Fryeburg, Eastern Slopes Regional Airport, ME | 19 mi | 2 hrs | N 0 | 10.00 mi | Fair | 70°F | 68°F | 93% | 1013.4 hPa |
| Whitefield - Mount Washington Regional Airport, NH | 24 mi | 2 hrs | N 0 | 10.00 mi | A Few Clouds | 70°F | 64°F | 82% | 1014.1 hPa |
Link to 5 minute data for KMWN
Wind History from MWN (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 | SW G26 | SW G22 | SW G17 | SW G20 | SW | SW | SW G28 | W G32 | W | W | W | W | W G41 | W | W G37 | W | W | W | W | W G44 | W G40 | W G38 | W | W G50 |
| 1 day ago | S G27 | S G33 | SW G28 | SW | W | W | W | W | NW | NW | NW | NW | NW | NW | W G18 | W | W | W | W | W G19 | W G21 | SW | W | W |
| 2 days ago | W | SW G24 | SW G23 | W G21 | SW G30 | SW G27 | SW G25 | SW G25 | SW G30 | SW | SW G29 | W G33 | SW G28 | W | W G31 | W G26 | W G34 | W G31 | W G33 | W G29 | SW G24 | W G28 | SW G27 | W G25 |
Tide / Current Tables for Back Cove, Maine
EDIT Weekend mode (on/off) (on/off) Help One Week of DataBack Cove
Click for Map
Mon -- 02:04 AM EDT 9.15 feet High Tide
Mon -- 05:49 AM EDT Sunrise
Mon -- 08:20 AM EDT 0.51 feet Low Tide
Mon -- 09:34 AM EDT Moonset
Mon -- 02:29 PM EDT 8.75 feet High Tide
Mon -- 07:38 PM EDT Sunset
Mon -- 08:34 PM EDT 0.91 feet Low Tide
Mon -- 09:51 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:04 AM EDT 9.15 feet High Tide
Mon -- 05:49 AM EDT Sunrise
Mon -- 08:20 AM EDT 0.51 feet Low Tide
Mon -- 09:34 AM EDT Moonset
Mon -- 02:29 PM EDT 8.75 feet High Tide
Mon -- 07:38 PM EDT Sunset
Mon -- 08:34 PM EDT 0.91 feet Low Tide
Mon -- 09:51 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 |
| 7 | 8.6 | 9.1 | 8.7 | 7.4 | 5.4 | 3.2 | 1.4 | 0.6 | 0.7 | 1.8 | 3.7 | 5.9 | 7.7 | 8.6 | 8.6 | 7.7 | 6.1 | 4 | 2.1 | 1.1 | 1 | 1.9 | 3.5 |
Tide / Current Tables for Fore River, Maine
EDIT (on/off) Help One Week of DataFore River
Click for Map
Mon -- 02:04 AM EDT 9.43 feet High Tide
Mon -- 05:49 AM EDT Sunrise
Mon -- 08:16 AM EDT 0.53 feet Low Tide
Mon -- 09:34 AM EDT Moonset
Mon -- 02:29 PM EDT 9.02 feet High Tide
Mon -- 07:38 PM EDT Sunset
Mon -- 08:30 PM EDT 0.94 feet Low Tide
Mon -- 09:51 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:04 AM EDT 9.43 feet High Tide
Mon -- 05:49 AM EDT Sunrise
Mon -- 08:16 AM EDT 0.53 feet Low Tide
Mon -- 09:34 AM EDT Moonset
Mon -- 02:29 PM EDT 9.02 feet High Tide
Mon -- 07:38 PM EDT Sunset
Mon -- 08:30 PM EDT 0.94 feet Low Tide
Mon -- 09:51 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 |
| 7.3 | 8.9 | 9.4 | 9 | 7.6 | 5.5 | 3.2 | 1.4 | 0.6 | 0.8 | 2 | 3.9 | 6.1 | 7.9 | 8.9 | 8.9 | 7.9 | 6.2 | 4 | 2.1 | 1.1 | 1.1 | 2 | 3.7 |
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 (22,6,7,8)
(on/off) Help
Ground Weather Radar Station Portland, ME
(on/off) Help
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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. |