Saturday, March28, 2020
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Marine Weather and Tides
Gardiner, ME

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:24AMSunset 7:03PM Saturday March 28, 2020 2:12 PM EDT (18:12 UTC) Moonrise 8:39AMMoonset 11:20PM Illumination 22% Phase: Waxing Crescent; Moon at 5 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ153 Casco Bay- 921 Am Edt Sat Mar 28 2020
Rest of today..W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less.
Tonight..SE winds around 5 kt. Seas 1 foot or less. A chance of rain and snow after midnight.
Sun..E winds 5 to 10 kt, becoming se 5 to 15 kt with gusts up to 25 kt in the afternoon. Seas 1 to 2 ft, building to 2 to 3 ft in the afternoon. Rain with a chance of snow in the morning, then rain with a chance of sleet in the afternoon.
Sun night..E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft, building to 4 to 7 ft after midnight. Rain with a chance of sleet in the evening, then rain after midnight.
Mon..NE winds 10 to 20 kt. Gusts up to 30 kt in the morning. Seas 4 to 7 ft, subsiding to 3 to 5 ft in the afternoon. Rain likely in the morning, then showers likely in the afternoon.
Mon night..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. A chance of snow showers after midnight.
Tue..NE winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Tue night..N winds 5 to 10 kt. Seas 2 to 3 ft.
Wed..NE winds 5 to 10 kt. Seas around 2 ft.
Wed night..N winds 5 to 10 kt. Seas 1 foot or less. A chance of showers.
ANZ100 921 Am Edt Sat Mar 28 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure builds across the waters today. The next frontal system approaches from the southwest on Sunday with a developing easterly flow. Unsettled weather is then expected for much of the week. &&


7 Day Forecast for Marine Location Near Gardiner, ME
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location: 44.17, -69.84     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 281322 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 922 AM EDT Sat Mar 28 2020

SYNOPSIS. High pressure crosses the area today with another mostly sunny and warm day expected. A warm front lifts north toward the area tonight, and by Sunday morning snow is expected to spread across much of the area . with rain across southern New Hampshire. The heaviest snow and sleet accumulations will be in the western Maine mountains where a Winter Storm Watch has been issued. Snow mixes with or changes to rain for much of the remainder of the area on Sunday. As low pressure slowly exits, showery weather will continue into Monday.

NEAR TERM /UNTIL 6 PM THIS EVENING/.

920 AM . at 13z a 1022 millibar high was centered over western New England. a warm front extended from the upper Midwest through the central Appalachians to North Carolina For today. sunshine will begin to fade during the afternoon as high and mid clouds begin to spill over the top of the ridge into the forecast area. NWS Doppler Radar mosaic showed a large area of precipitation to the north of the warm front that stretched from the lower Lakes through mid Atlantic. This activity will spread east with some light rain possible in far southwest New Hampshire by evening. Otherwise a warm and dry day on tap with highs in the 50s . except upper 40s along the international border For this ESTF update. minor adjustments to near term grids to reflect current satellite and radar trends as well as the 13z mesonet.

Prev disc . 730AM UPDATE . Adjusted hourly temperature forecast based on early morning observations. Mostly clear sky with passing cirrus this morning will lead to increasing clouds as the day goes on.

ORIGINAL DISCUSSION . High pressure crosses the area today. Winds will be light or even calm. We warm into the 50s again with strong sunshine. This will likely lead to a sea breeze developing on the coast as the waters are still very cold.

SHORT TERM /6 PM THIS EVENING THROUGH 6 AM SUNDAY/. Clouds increase tonight as a warm front lifts toward the area. Some light precipitation could begin before daybreak in southwest New Hampshire. Temperatures will be slow to cool with the cloud cover, but as precipitation begins it will be falling into a dry air mass and bring the temperatures down due to evaporational cooling.

LONG TERM /SUNDAY THROUGH FRIDAY/. A trough aloft will move east over the next 24 hours bringing low pressure with it. As the low pressure moves through the Great Lakes a warm front will move into our region. There is good agreement on the timing on the precipitation onset and expect it to first move into southwest NH around 12Z Sunday. From there it will rapidly spread northeast across the CWA through the morning. While precip seems certain the precipitation type is much less certain.

While departing high pressure and surface wind direction would suggest some possibility for damming, the persistent warm temperature over the past few days make it unlikely that surface temperatures will be cold enough for snow initially. Instead what will help the snow along is the dry lower levels. This will allow the wet bulb effect to take over and actually expect temperatures to drop as the precip begins to fall and thus changes over to snow. While that is the surface story, aloft we still have to consider the potential for the warm layer to move in. Across southern New Hampshire expect this to be well entranced with the result being mostly rain. From Portland through to Concord and north, forecast soundings show an isothermal layer and some sleet is possible at onset. Finally in the northern mountains temperatures remain cold enough for all snow. For both the surface temperatures and dewpoint have favored the NAM which gives a colder drier start to the system.

The result of all of these competing factors is a large gradient in snowfall across the region. Along the Canadian border, as much as 6 inches of fairly dense snow is expected while along the southern border accumulation remains zero. Overall with this package have shifted the light accumulations further south as I feel the wet bulb may allow for minimal accumulations, however heavier snowfall remains confined to the north consistent with prior forecasts.

With a solid 6" across most of the northern zones have issued a winter storm watch. While the higher elevations of Coos may also see significant snowfall, the CT valley will likely remain warm and so have opted to keep this zone out of the watch.

As we move into Monday the main low moves out of the way and we remain in wrap around precip as the upper low begins to stall overheard. Expect showers to continue with some minimal additional accumulation in the north.

By Tuesday we finally see the upper low start to depart, with a few breaks in the clouds possible by afternoon. Temperatures will warm slightly through midweek. Another low looks to remain south of us with the cloudy conditions persisting through the end of the week.

Through out the week a blocking high remains to our east over the Atlantic, and the potential for us to remain trapped under the upper low with scattered shower activity makes for an unsettled and uncertain forecast through week's end.

AVIATION /13Z SATURDAY THROUGH WEDNESDAY/. Short Term . VFR conditions today with light and variable winds. Could see a sea breeze develop at the coast this afternoon. Increasing clouds expected this evening with lower ceilings and light precipitation beginning in southwest New Hampshire. Will likely see MVFR and IFR conditions developing by Sunday morning.

Long Term . Sunday will bring widespread precipitation with IFR conditions expected to develop from southwest to northeast through the morning as a mix of snow and rain moves through. Fog developing overnight will keep the IFR through Monday morning. Thereafter unsettled weather will keep showers and MVFR in the mountains through the first part of the week.

MARINE. Short Term . High pressure crossing the waters today brings very light winds.

Long Term . Expect SCA under easterly flow as the warm front approaches and lifts northwards on Sunday. Fairly calm conditions for the waters this next week as unsettled weather from the low overhead remains in place. Several times conditions may approach SCA but confidence is low on the timing.

GYX WATCHES/WARNINGS/ADVISORIES. ME . Winter Storm Watch from Sunday morning through Monday morning for MEZ007>009. NH . None. MARINE . None.



ES


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44032 - Buoy E0104 - Central Maine Shelf 41 mi128 min SSW 7.8 G 9.7 40°F 42°F2 ft1020.5 hPa
CASM1 - 8418150 - Portland, ME 42 mi54 min 45°F 42°F
44033 - Buoy F0103 - West Penobscot Bay 45 mi128 min S 9.7 G 9.7 39°F 1 ft1020 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 47 mi82 min SSW 9.7 G 9.7 42°F 42°F2 ft1021.9 hPa (+0.0)35°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Augusta, Augusta State Airport, ME11 mi19 minNW 810.00 miFair53°F9°F17%1020.7 hPa
Wiscasset Airport, ME17 mi19 minSSW 810.00 miFair49°F25°F39%1021.7 hPa

Link to 5 minute data for KAUG

Wind History from AUG (wind in knots)
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NW6NW9NW8NW4CalmW4CalmCalmSW3CalmW3NW5NW3NW3N745W5NW8
1 day agoN4NE543E5SW45S4S4S4S5S4S3CalmCalmNW3W7W9NW15
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Tide / Current Tables for Nehumkeag Island, Kennebec River, Maine
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Nehumkeag Island
Click for Map
Sat -- 05:29 AM EDT     5.40 feet High Tide
Sat -- 06:26 AM EDT     Sunrise
Sat -- 08:38 AM EDT     Moonrise
Sat -- 12:06 PM EDT     0.23 feet Low Tide
Sat -- 05:57 PM EDT     5.07 feet High Tide
Sat -- 07:02 PM EDT     Sunset
Sat -- 11:20 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.512.13.44.65.35.34.83.92.71.50.60.20.51.32.63.94.85.14.84.13.121.1

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Sat -- 02:57 AM EDT     0.94 knots Max Flood
Sat -- 06:26 AM EDT     Sunrise
Sat -- 07:03 AM EDT     -0.00 knots Slack
Sat -- 08:39 AM EDT     Moonrise
Sat -- 09:13 AM EDT     -0.87 knots Max Ebb
Sat -- 12:31 PM EDT     0.00 knots Slack
Sat -- 03:20 PM EDT     0.84 knots Max Flood
Sat -- 07:02 PM EDT     Sunset
Sat -- 07:24 PM EDT     -0.00 knots Slack
Sat -- 09:32 PM EDT     -0.79 knots Max Ebb
Sat -- 11:19 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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00.40.80.90.80.60.40-0.5-0.9-0.7-0.4-0.10.20.60.80.80.60.40.2-0.3-0.7-0.7-0.4

Weather Map
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wmap_A
GEOS 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.
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Wind Forecast for Gray/Portland, ME (14,3,4,5)
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Ground Weather Radar Station Portland, ME
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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 numerous 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.