Wednesday, May27, 2020
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Marine Weather and Tides
Augusta, 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 4:58AMSunset 8:13PM Wednesday May 27, 2020 9:34 AM EDT (13:34 UTC) Moonrise 9:11AMMoonset 12:00AM Illumination 29% 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- 300 Am Edt Wed May 27 2020
Today..S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog this morning.
Tonight..S winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Thu..SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Thu night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Fri..S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Fri night..SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.
Sat..SW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms.
Sat night..W winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..NW winds 5 to 10 kt. Seas 2 to 3 ft.
Sun night..NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
ANZ100 300 Am Edt Wed May 27 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure to the east in the atlantic keeps a south to southwest flow over the gulf of maine this week. Areas of fog will remain possible as a moist air mass moves in over the cold water. A cold front will move through the gulf of maine on Saturday. &&


7 Day Forecast for Marine Location Near Augusta, ME
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location: 44.32, -69.77     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 271023 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 623 AM EDT Wed May 27 2020

SYNOPSIS. We'll see some early morning clouds and fog near the Midcoast. Otherwise . it'll be a warm and increasingly humid day with a slight chance for mountain thunderstorms this afternoon. More widespread showers and thunderstorms are possible Thursday night through Saturday as a slow moving cold front crosses the area. Drier and cooler air arrives for the second half of the weekend into early next week.

NEAR TERM /TODAY/. 630AM UPDATE . Early morning fog is already showing signs of dissipating, though it has briefly intensified in areas where it remains. Expect it to end shortly and will allow the Special Weather Statement to highlight this threat until it wanes. Have updated the hourly temperature forecast based on latest observations. Otherwise no significant changes to prior forecast thinking.

ORIGINAL DISCUSSION . It's going to be a hot and somewhat humid day for much of the area, but especially northern areas. As the upper ridge continues to build into our area, a pocket of very warm air will be making its way around the northwest periphery of this ridge. Afternoon temperatures above 90 degrees are expected for most of New Hampshire, with the warmest readings likely in northern New Hampshire. It will also be a bit humid as well, with dewpoints in the 60s. The combination of the heat and humidity will push the heat index into the 90 to 95 degree range in areas which rarely see this. This does not quite reach Heat Advisory criteria, but it is worth messaging the hot weather expected today. Further south temperatures will be a few degrees cooler, but still hot, in the upper 80s to near 90 in southern New Hampshire. For the coast of Maine, a south to southwest flow keeps a bit of a maritime influence with this influence greater the further east you go. Early morning clouds and fog should burn off and allow most of Maine to get in on the 80 degree warmth, but the immediate Midcoast will stay cooler.

All this heat and humidity will combine to produce some afternoon instability particularly across northern areas where temperatures will be warmer and the influence of the upper ridge will be weaker. There is not much in the way of a lifting mechanism, so expect it may be difficult to get widespread thunderstorm activity in our area. However, the differential heating of the terrain may be enough to trigger some thunderstorms. Being so close to the upper ridge, upper level winds are not very strong. As a result, we don't expect much in the way of storm organization if thunderstorms do form. However, with some dry air aloft, gusty winds will be possible in thunderstorm downdrafts.

SHORT TERM /TONIGHT AND THURSDAY/. With wind flow even more southwesterly tonight, expect the primary threat area for maritime clouds and fog to shift eastward as well. Cannot rule out some fog along the Midcoast, but most areas will remain clear with temperatures only dropping into the 60s or the upper 50s.

The pocket of very warm air will shift further to the north and east on Thursday, leaving us still very warm for this time of year but not as extremely so. The hottest temperatures we see on Thursday should be about 10 degrees cooler than what is observed today, although coastal areas will have even less of a marine influence and thus could be slightly warmer. A weak disturbance rotates around the upper ridge through upstate New York during the day Thursday. For the most part any showers associated with this should stay to our west as the lower temperatures limit instability.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. The ensemble and deterministic model solutions are in good agreement on the long wave pattern through the first half of next week. The upper high initially centered off the east coast will quickly breakdown as phasing of streams occurs upstream over the Mississippi Valley by Friday. The resultant trough will progress into the northeast and amplify . eventually covering much of the eastern third of the CONUS. Above normal temperatures will be replaced by below average values as we head through the period In the dailies. a warm and humid Friday with scattered showers and thunderstorms developing by afternoon. More widespread shower and thunderstorm activity Friday night and early Saturday as the cold front progresses eastward across the forecast area. A secondary front will cross the area late Saturday with the chance for a brief shower or thunderstorm. Much cooler and less humid air will follow for the second half of the weekend through the beginning of next week. With the upper trough nearly overhead Sunday and Monday . I expect we'll see sunshine mix with clouds at times. By Tuesday . rising heights and the high center building east into New England should provide a mainly sunny day. The operational ECMWF remains an outlier . with an ocean low retrograding towards the coast from the Gulf of Maine by late Tuesday.

AVIATION /07Z WEDNESDAY THROUGH SUNDAY/. Short Term . Low clouds and some fog will persist through mid morning along the Midcoast, but they are expected to disperse today. An isolated thunderstorm is possible in the northern mountains this afternoon. There is a chance the clouds and fog return to the Midcoast this evening, though the odds are a bit lower as winds gradually shift more southwesterly.

Long Term .

Fri . Sct MVFR SHRA/TSRA.

Fri night - Sat AM . Areas of MVFR and lcl IFR in SHRA/TSRA.

Sat PM . Sct MVFR psb -SHRA.

MARINE. Short Term . Southerly winds become a bit more southwesterly with time. With the warm/humid air moving over the cold waters, areas of fog remain possible. This will also limit the mixing of stronger winds down toward the water surface, therefore have gone below guidance for forecast wind speeds.

Long Term .

Fri - Sat . SCA's possible.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . None.

NEAR TERM . Kimble SHORT TERM . Kimble LONG TERM . Schwibs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 45 mi90 min S 1.9 G 3.9 49°F 2 ft1022 hPa
44032 - Buoy E0104 - Central Maine Shelf 47 mi90 min SW 5.8 G 7.8 51°F 49°F3 ft1021.4 hPa
CASM1 - 8418150 - Portland, ME 52 mi64 min 55°F 54°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Augusta, Augusta State Airport, ME2 mi41 minVar 310.00 miA Few Clouds63°F59°F87%1022.3 hPa
Waterville, Waterville Robert LaFleur Airport, ME16 mi38 minVar 310.00 miA Few Clouds64°F61°F90%1024 hPa

Link to 5 minute data for KAUG

Wind History from AUG (wind in knots)
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S5S66S4S5S3S3Calm3W3CalmSE43
1 day ago3S5SE7S10S11
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S94S5S63S4S4S533S3Calm4S3S3S3SE3
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S6S5S4S3S3S3S3CalmCalmCalmCalm334

Tide / Current Tables for Augusta, Kennebec River, Maine
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Augusta
Click for Map
Wed -- 12:00 AM EDT     Moonset
Wed -- 01:55 AM EDT     0.56 feet Low Tide
Wed -- 05:00 AM EDT     Sunrise
Wed -- 06:39 AM EDT     4.47 feet High Tide
Wed -- 09:10 AM EDT     Moonrise
Wed -- 02:33 PM EDT     0.01 feet Low Tide
Wed -- 07:24 PM EDT     3.93 feet High Tide
Wed -- 08:12 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.70.612.13.44.34.54.23.62.921.10.40.10.10.823.23.93.93.63.12.4

Tide / Current Tables for Gardiner, Kennebec River, Maine
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Gardiner
Click for Map
Wed -- 12:50 AM EDT     0.69 feet Low Tide
Wed -- 05:01 AM EDT     Sunrise
Wed -- 06:19 AM EDT     5.46 feet High Tide
Wed -- 09:10 AM EDT     Moonrise
Wed -- 01:28 PM EDT     0.02 feet Low Tide
Wed -- 07:04 PM EDT     4.81 feet High Tide
Wed -- 08:11 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.71.22.23.64.85.45.44.83.92.81.60.60.10.10.823.44.44.84.64.13.22.3

Weather Map
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wmap_A
GEOS 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 (9,2,3,4)
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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.