Monday, June21, 2021
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Marine Weather and Tides
Augusta, ME

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 4:53AMSunset 8:28PM Monday June 21, 2021 4:07 AM EDT (08:07 UTC) Moonrise 4:56PMMoonset 2:27AM Illumination 86% Phase: Waxing Gibbous; Moon at 11 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- 329 Am Edt Mon Jun 21 2021
Today..S winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Patchy fog late. Vsby variable to less than one quarter nm late.
Tonight..S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers after midnight. Vsby variable to less than one quarter nm.
Tue..SW winds 5 to 10 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 nm.
Tue night..NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the evening with vsby 1 to 3 nm.
Wed..NW winds around 10 kt, becoming W in the afternoon. Seas around 2 ft.
Wed night..W winds 5 to 10 kt. Seas around 2 ft.
Thu..S winds 5 to 10 kt. Seas 1 to 2 ft.
Thu night..S winds 5 to 10 kt. Seas around 2 ft.
Fri..S winds 5 to 10 kt. Seas 1 to 2 ft.
Fri night..S winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers after midnight.
ANZ100 329 Am Edt Mon Jun 21 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure over the waters will begin to shift east today with continued southerly flow. A cold front will approach from the northwest tonight while the remnants of tropical storm claudette pass well south of the waters. The front will slowly move offshore on Tuesday with high pressure moving in for Tuesday night through Friday.


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 210300 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1100 PM EDT Sun Jun 20 2021

SYNOPSIS. Heat and humidity will build on Monday. A cold front approaches from the west late Monday with showers and storms possible late afternoon and evening. Some storms could be strong Monday while all storms have heavy rainfall potential. The cold front gradually pushes east out over the waters late Tuesday, then high pressure returns for a cooler and quiet end to the week.

NEAR TERM /TONIGHT/. 11PM UPDATE . Mostly clear sky and temperatures falling into the 60s late this evening. Going forecast seems largely on track. Biggest forecast question is fog. Fog didn't form last night and we are starting from a higher temperature tonight. However, low level moisture advection could be enough to get some fog going mainly in the valleys.

7PM UPDATE . Made minor adjustments to temperature forecast for the next few hours based on latest observations. Otherwise no significant changes in forecast thinking.

ORIGINAL DISCUSSION . Frontal boundary draped through southern New England will slowly move north as a warm front tonight into Monday. Aloft, the 500 mb pattern will start to amplify overnight as a long wave trough to our west deepens drawing moisture northward. Dewpoints in the 50s this evening will climb into the mid to uppers 60s across the south and into the low 60s across the north by Monday morning. Sensible weather for tonight will just be increasing clouds with lows in the mid 50s north to mid 60s south. Increasing low level moisture along with mostly clear skies to start tonight will also bring potential for some patchy valley fog and fog near the Mid-Coast.

SHORT TERM /MONDAY THROUGH MONDAY NIGHT/. Bottom line up front:

The ingredients for strong to severe thunderstorms and locally very heavy rain will approach the forecast area Monday through Monday night while current guidance keeps the greatest threat to our west and north.

The long wave trough to our west will continue to deepen through Monday with the warm front lifting through the forecast area Monday afternoon. Dewpoints will continue to rise into the upper 60s to near 70F Monday afternoon while ambient air temperatures climb into the mid to upper 80s to near 90F. This will lead to heat indices to climb into the low 90s across interior western Maine and southern New Hampshire with current guidance indicating that we will fall just short of heat advisory criteria.

The factors in play for storms are the passage of the warm front during the day and the timing and strength of a cold front approaching from the west tomorrow evening through tomorrow night. There is good agreement that there will little in the way of a tropical connection to Claudette as that system passes offshore, although PWATs will still run anomalously high around 1.5 to 2 inches.

The 12Z CAM guidance lifts the warm front through the area late morning through early afternoon slightly before peak heating. Low level helicity will be maximized along the warm front with impressive 0-3km SRH values in excess of 250 m2/s2. CAMs are quite bearish in convective initiation along the warm front owing to the pre-peak heating passage, but could see more robust convective coverage and an increase in severe potential if the front passes closer to peak heating. Much of the area will be within the warm sector tomorrow afternoon as a cold front moves across upstate NY.

Ahead of the front SBCAPE will climb into the 1500 to 2500 J/kg range across much of New Hampshire and western Maine except for the coastal plain from Portland northward where cool and stable marine air will be advected inland on southerly winds. Effective shear will be diminishing behind the warm front across the southern half of the area with pockets of 0-6km bulk shear to 45 kts remaining along the International Border to the mountains. It is here where the greatest chance for severe storms and very heavy rain will be tomorrow afternoon through Monday night and have continued enhanced wording with thunderstorms. The overall look is for the front to arrive past peak instability and for the front to wash out as it enters the forecast area Monday night. This look suggests that the severe and heavy rain threat will remain to the west and north of the forecast area with some towns missing out on seeing any rain. With the warm moist airmass in place areas of fog are possible Monday night with lows generally in the mid to upper 60s.

LONG TERM /TUESDAY THROUGH SUNDAY/. Latest deterministic guidance and ensemble information have backed off on rainfall for Tuesday as cold front moves offshore early on. However, there is a chance for convection redevelopment on or near the coastal plain if the front slows down or if the front throws back some rain anafrontal style. Nevertheless, all signs point toward lower PoPs on Tuesday than what we have been running with, with highest values in the south and on the coastal plain. It's actually possible that this high PWAT air mass will not deliver any drought- relieving goods for a good portion of the forecast area, sadly. However, as long as it's around with at least a little forcing for ascent we will have to watch for some localized heavy convective rainfall.

High pressure moves on in for Tuesday night through Thursday providing for cooler and drier weather. The dry weather looks to continue through Friday. There is reasonable agreement in the 12z model suite that more of a meridional flow will develop and aid in the transport of higher PWATs for the weekend and a renewed chance of showers and thunderstorms.

AVIATION /00Z MONDAY THROUGH FRIDAY/. Short Term . Increasing moisture will bring chance for valley fog at KLEB and low cigs briefly Monday morning to coastal terminals. Scattered TSRA will bring potential restrictions to KLEB and KHIE Monday afternoon and evening with VFR at remaining terminals. Low cigs and reduced visibility in rain and fog will likely bring periods of IFR Monday night.

Long Term . Cig and vsby restrictions likely early Tuesday morning in low clouds and fog, possibly IFR. Thereafter, mainly VFR conditions expected Tuesday during the day. VFR continues Tuesday night through Friday as high pressure ridging slowly moves through the region.

MARINE. Short Term . Some patchy fog will bring reduced visibility tonight over the waters. Southerly winds increase ahead of cold front SCA winds and seas possible by Monday afternoon and evening. Winds and seas subside towards Tuesday morning.

Long Term . Winds and seas look to remain below SCA thresholds Tuesday through Friday after any 5 footers subside Tuesday morning.

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



NEAR TERM UPDATE . Kimble SHORT TERM . Schroeter LONG TERM . Ekster


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44033 - Buoy F0103 - West Penobscot Bay 45 mi123 min S 5.8 G 7.8 59°F 56°F2 ft1007.7 hPa
44032 - Buoy E0104 - Central Maine Shelf 47 mi123 min W 5.8 G 5.8 62°F 58°F3 ft1008.1 hPa
CASM1 - 8418150 - Portland, ME 52 mi49 min 69°F 59°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Augusta, Augusta State Airport, ME2 mi74 minSSE 310.00 miFair60°F60°F100%1007.8 hPa
Waterville, Waterville Robert LaFleur Airport, ME16 mi71 minN 010.00 miFair59°F58°F96%1009.7 hPa

Link to 5 minute data for KAUG

Wind History from AUG (wind in knots)
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NW84SW8S7S5CalmSE3CalmCalmCalmS3Calm
1 day agoS5S86CalmS5S5SW5SW4SW735N13CalmN8CalmS3SW3W5NW7W5W3CalmNW5W6
2 days agoS3S3CalmCalmSW4SW64666S7
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Tide / Current Tables for Augusta, Kennebec River, Maine
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Augusta
Click for Map
Mon -- 02:26 AM EDT     Moonset
Mon -- 04:55 AM EDT     Sunrise
Mon -- 07:42 AM EDT     -0.02 feet Low Tide
Mon -- 12:26 PM EDT     4.21 feet High Tide
Mon -- 04:56 PM EDT     Moonrise
Mon -- 07:56 PM EDT     0.09 feet Low Tide
Mon -- 08:26 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.43.93.12.21.20.50.100.723.34.14.23.83.22.41.50.80.30.10.61.83.4

Tide / Current Tables for Gardiner, Kennebec River, Maine
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Gardiner
Click for Map
Mon -- 02:26 AM EDT     Moonset
Mon -- 04:55 AM EDT     Sunrise
Mon -- 06:37 AM EDT     -0.02 feet Low Tide
Mon -- 12:06 PM EDT     5.14 feet High Tide
Mon -- 04:56 PM EDT     Moonrise
Mon -- 06:51 PM EDT     0.11 feet Low Tide
Mon -- 08:26 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.65.14.231.70.70.100.723.54.75.154.33.32.110.30.10.61.93.55

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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