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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 5:56AM | Sunset 7:31PM | Sunday August 25, 2019 12:22 PM EDT (16:22 UTC) | Moonrise 12:25AM | Moonset 3:53PM | Illumination 24% |  |
ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 941 Am Edt Sun Aug 25 2019
Rest of today..NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft.
Tonight..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Mon..NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 5 ft.
Mon night..E winds 5 to 10 kt, becoming N after midnight. Seas 3 to 5 ft.
Tue..NW winds around 5 kt, becoming S in the afternoon. Seas 4 to 5 ft.
Tue night..SW winds 5 to 10 kt. Seas 3 to 4 ft.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft.
Wed night..SE winds 5 to 10 kt. Seas around 3 ft. A chance of showers. Vsby 1 to 3 nm.
Thu..N winds around 5 kt. Seas 3 to 5 ft. A chance of showers.
Thu night..SW winds around 5 kt. Seas around 5 ft.
Rest of today..NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft.
Tonight..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Mon..NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 5 ft.
Mon night..E winds 5 to 10 kt, becoming N after midnight. Seas 3 to 5 ft.
Tue..NW winds around 5 kt, becoming S in the afternoon. Seas 4 to 5 ft.
Tue night..SW winds 5 to 10 kt. Seas 3 to 4 ft.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft.
Wed night..SE winds 5 to 10 kt. Seas around 3 ft. A chance of showers. Vsby 1 to 3 nm.
Thu..N winds around 5 kt. Seas 3 to 5 ft. A chance of showers.
Thu night..SW winds around 5 kt. Seas around 5 ft.
ANZ100 941 Am Edt Sun Aug 25 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will remain over the waters through mid week. An offshore low pressure system, possibly tropical in nature, looks to pass well offshore by the middle and latter portions of the week as a cold front approaches the waters from the west. &&
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will remain over the waters through mid week. An offshore low pressure system, possibly tropical in nature, looks to pass well offshore by the middle and latter portions of the week as a cold front approaches the waters from the west. &&
7 Day Forecast for Marine Location Near Saco, ME
Hourly EDIT Helplocation: 43.49, -70.45 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 251350 aab afdgyx area forecast discussion... Updated national weather service gray me 950 am edt Sun aug 25 2019 Synopsis High pressure will remain across region through the first half of the week. This will provide dry weather and seasonably cool temperatures. A series of frontal systems will cross the region beginning mid week providing several chances for showers. Near term until 6 pm this evening 945 am update... an area of stratocumulus was drifting across southern nh this morning and will gradually lift and shift south leaving skies sunny across most of northern new england. Otherwise temperatures should warm up into the upper 60s lower 70s in a dry airmass. Made a few changes to adjust trends for this update. 600 am... Minor estf update to reflect the current mesonet in near term grids. Prev disc... at 06z... A sprawling 1029 millibar high covered the great lakes and northeast conus. GOES water vapor imagery showed a developing upper low vicinity of the mid atlantic coast. GOES infrared showed some patchy low cloud mainly over southern and western sections of the forecast area. Where skies are currently clear the light winds should allow areas of valley stratus and fog to develop through dawn. For today... The high remains anchored to our north with the onshore flow to continue. Expect a few fair weather clouds to develop across the interior... Especially over southern sections that will be closest to the developing upper low. Highs today will be in the lower and mid 70s... With a few upper 60s along the immediate coast. Short term 6 pm this evening through 6 pm Monday For tonight and Monday... The upper low meanders north and east across the gulf of maine. Meanwhile... The surface high is anchored to our north with the onshore flow to continue. Expect mainly clear skies and cool temperatures tonight with valley stratus and fog likely towards dawn once again. Lows will be mainly in the 40s... With a few 50 degree readings in urban centers. Mostly sunny and cool Monday with high temperatures similar to today. |
Long term Monday night through Saturday Mainly fair weather is expected Tuesday into Wednesday with high pressure in place. However, increasing low level moisture and developing onshore flow may allow for some stratus to invade the coastline. Otherwise, a short wave trough approaching from the west on Wednesday will aid in pushing a sfc cold front eastward and increasing our chances for showers later Wednesday and Thursday. There is some potential that moisture from well- offshore tropical low pressure could get entrained into the frontal boundary across me and nh Wednesday night and Thursday if the approaching short wave trough is amplified enough. This could lead to a period of heavy rain. However at this time it's too early too tell how the two systems will interact, if at all. Thereafter, Friday and Saturday, generally benign weather is expected aside from a few showers with another approaching front. Aviation 14z Sunday through Thursday Short term through Monday ...VFR. LCL ifr btw 08 and 12z vcnty of kleb and khie in stratus and fog this morning and Monday morning. Long term... MainlyVFR Monday night through Wednesday. However, increasing low level moisture and winds potentially turning onshore may mean increased chances for low stratus and fog along the coastal plain Tuesday night and again Wednesday night. In addition, showers and possible thunder may lower conditions Wednesday night into Thursday. Marine Short term through Monday ... Onshore flow continues through Monday with gradually building seas. Winds should stay below 25 kt but seas may reach 5 ft by Monday for the open waters south of casco bay as the NE flow continues. Long term... A few 5 footers may be present on the ocean waters Monday night before subsiding Tuesday. Offshore tropical low pressure could bring higher swells once again Thu and fri. Gyx watches warnings advisories Me... None. Nh... None. Marine... None. Near term... Hanes short term... Schwibs long term... Ekster |
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 |
| WEXM1 - Wells Reserve, ME | 12 mi | 82 min | NE 8 | 63°F | 52°F | |||
| WELM1 - 8419317 - Wells, ME | 13 mi | 52 min | E 12 G 15 | 63°F | 65°F | 1029 hPa | ||
| CASM1 - 8418150 - Portland, ME | 16 mi | 52 min | 63°F | 64°F | ||||
| 44007 - PORTLAND 12 NM Southeast of Portland,ME | 17 mi | 32 min | E 14 G 16 | 60°F | 63°F | 3 ft | 1028.3 hPa (+0.3) | 52°F |
| 44030 - Buoy B0102 - Western Maine Shelf | 22 mi | 78 min | NE 16 G 19 | 61°F | 66°F | 5 ft | 1028.9 hPa | |
| 44073 | 33 mi | 138 min | NE 16 G 19 | 66°F | ||||
| BGXN3 - Great Bay Reserve, NH | 36 mi | 97 min | NNE 5.1 | 65°F | 1029 hPa | 55°F | ||
| IOSN3 - Isle of Shoals, NH | 37 mi | 82 min | NE 19 G 22 | 61°F | 1027.5 hPa (+0.8) | 56°F |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | |
| Last 24hr | E | E G10 | E G11 | SE G8 | NE G13 | E G13 | E G10 | E G9 | E | N | N | NW | N | NE | E G10 | NE | N | N | N | N | NE G12 | NE G14 | E G14 | E G16 |
| 1 day ago | NW G9 | N G9 | NE | NW G8 | N | NW G11 | NW G9 | NW | N | N | NW | N | NW | NW G8 | NW | NW | N | NW | NW | NW | N G11 | N G14 | NE G13 | NE G9 |
| 2 days ago | S | S | S | S | S | SE | SE | NW | W | NW | NW G6 | -- | W | W G7 | NW | NW G7 | N | -- | NW G7 | NW | W | NW G6 | NW | NW G11 |
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 |
| Portland, Portland International Jetport, ME | 14 mi | 31 min | E 10 | 10.00 mi | A Few Clouds | 67°F | 48°F | 53% | 1029 hPa |
| Sanford, Sanford Regional Airport, ME | 15 mi | 26 min | ENE 9 G 15 | 10.00 mi | A Few Clouds | 67°F | 51°F | 57% | 1029 hPa |
Link to 5 minute data for KPWM
Wind History from PWM (wind in knots)
| 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 | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | |
| Last 24hr | N | N | NE | N | NE | NE | N | E | Calm | NE | E | NE | N | NE | NE | E | NE | E | ||||||
| 1 day ago | NW | NW | NW | NW G15 | N | NW | NW | NW | NW | W | NW | W | Calm | W | NW | N | N G17 | NE | NE | |||||
| 2 days ago | S | SE | S | S | S | S | S | SW | W | W | Calm | W | Calm | NW | NW | W | W |
Tide / Current Tables for Old Orchard Beach, Maine
EDIT Weekend mode (on/off) (on/off) Help One Week of DataOld Orchard Beach
Click for Map
Sun -- 12:23 AM EDT 0.95 feet Low Tide
Sun -- 12:24 AM EDT Moonrise
Sun -- 05:57 AM EDT Sunrise
Sun -- 06:43 AM EDT 7.89 feet High Tide
Sun -- 12:36 PM EDT 1.37 feet Low Tide
Sun -- 03:52 PM EDT Moonset
Sun -- 07:01 PM EDT 9.14 feet High Tide
Sun -- 07:29 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:23 AM EDT 0.95 feet Low Tide
Sun -- 12:24 AM EDT Moonrise
Sun -- 05:57 AM EDT Sunrise
Sun -- 06:43 AM EDT 7.89 feet High Tide
Sun -- 12:36 PM EDT 1.37 feet Low Tide
Sun -- 03:52 PM EDT Moonset
Sun -- 07:01 PM EDT 9.14 feet High Tide
Sun -- 07:29 PM EDT Sunset
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 |
| 1 | 1.1 | 1.9 | 3.4 | 5.1 | 6.7 | 7.7 | 7.9 | 7.3 | 6 | 4.3 | 2.6 | 1.5 | 1.4 | 2.2 | 3.6 | 5.5 | 7.3 | 8.7 | 9.1 | 8.7 | 7.5 | 5.6 | 3.4 |
Tide / Current Tables for Wood Island Harbor, Maine
EDIT (on/off) Help One Week of DataWood Island Harbor
Click for Map
Sun -- 12:24 AM EDT Moonrise
Sun -- 12:25 AM EDT 0.94 feet Low Tide
Sun -- 05:57 AM EDT Sunrise
Sun -- 06:45 AM EDT 7.81 feet High Tide
Sun -- 12:38 PM EDT 1.36 feet Low Tide
Sun -- 03:51 PM EDT Moonset
Sun -- 07:03 PM EDT 9.04 feet High Tide
Sun -- 07:29 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:24 AM EDT Moonrise
Sun -- 12:25 AM EDT 0.94 feet Low Tide
Sun -- 05:57 AM EDT Sunrise
Sun -- 06:45 AM EDT 7.81 feet High Tide
Sun -- 12:38 PM EDT 1.36 feet Low Tide
Sun -- 03:51 PM EDT Moonset
Sun -- 07:03 PM EDT 9.04 feet High Tide
Sun -- 07:29 PM EDT Sunset
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 |
| 1 | 1.1 | 1.9 | 3.3 | 5 | 6.6 | 7.6 | 7.8 | 7.2 | 6 | 4.3 | 2.6 | 1.6 | 1.4 | 2.1 | 3.5 | 5.3 | 7.2 | 8.5 | 9 | 8.6 | 7.4 | 5.6 | 3.5 |
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 (12,3,4,5)
(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. |