Wednesday, December11, 2019
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Marine Weather and Tides
Richmond, ME

Version 3.4
NOTICE
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.
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 7:02AMSunset 4:03PM Wednesday December 11, 2019 4:54 PM EST (21:54 UTC) Moonrise 4:50PMMoonset 7:14AM Illumination 100% Phase: Full Moon; Moon at 15 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 Pm Est Wed Dec 11 2019
.small craft advisory in effect from 10 pm est this evening through Thursday morning...
Tonight..W winds 5 to 15 kt, increasing to 15 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft.
Thu..W winds 15 to 25 kt with gusts up to 30 kt, diminishing to 5 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft, subsiding to 1 to 2 ft in the afternoon.
Thu night..SW winds around 5 kt, becoming S after midnight. Seas 1 foot or less, then 1 to 2 ft after midnight.
Fri..S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Fri night..S winds 5 to 10 kt, becoming se 5 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain.
Sat..E winds 10 to 15 kt, becoming S 5 to 15 kt in the afternoon. Seas 3 to 5 ft. Rain.
Sat night..SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 7 ft. Rain.
Sun..W winds 10 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain likely.
Sun night..W winds 15 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Mon..W winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Mon night..NW winds 5 to 15 kt with gusts up to 20 kt. Seas 1 foot or less.
ANZ100 300 Pm Est Wed Dec 11 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. A cold front will cross the waters early this evening resulting in gales on the ocean waters tonight. Thereafter, a potentially potent low pressure system will approach Friday and will likely affect the waters Saturday. &&


7 Day Forecast for Marine Location Near Richmond, ME
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location: 44.08, -69.8     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 112016 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 316 PM EST Wed Dec 11 2019

SYNOPSIS. Arctic air mass will drop south through the region tonight with snow showers in the mountains and windy conditions. High pressure will build in and then cross the region on Thursday. Low pressure will track up the East Coast over western New England Friday night through Saturday night bringing mainly rain, possibly heavy rain to the area. Precipitation may briefly start as a wintry mix before quickly changing to rain except in the mountains where the highest elevations may see prolonged wintry precipitation before changing over. Windy and colder conditions follow Sunday into Monday. Another colder system will approach New England Monday night into Tuesday that may bring more wintry precipitation.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/. Sunshine has broke out across the region as the clouds associated with yesterdays cold front have moved off to the east. Cold high pressure will build in for the next few days. While sun will continue in the south in the mountains some clouds will return. To our west across southern Ontario cloud streets associated with the cold air are visible off the Great Lakes. This cold air mass will move into our northern counties through evening.

As the cold air moves in overnight snow squalls are possible in the mountains. Snow squall parameter continues to highlight the Canadian border from 00-03Z time frame. Further, forecast soundings support this with a shallow saturated layer right in the snow growth zone and steep low level lapse rates. Brief periods of heavy snow with wind gusts to 35mph are possible as this moves through. Have increased the Pops along the Canadian border as well as the Snow amounts for this time period and will issue an SPS to highlight the potential.

As cold air moves in overnight expect windy conditions to keep the lower levels well mixed and thus while temps aloft fall to around -17C at 850mb, the mixed will keep the temperatures above zero across the north. Have still leaned a bit on the colder side of guidance as after the initial cold push this evening some calming of the winds may occur in sheltered valleys early tomorrow morning.

SHORT TERM /6 AM THURSDAY MORNING THROUGH FRIDAY NIGHT/. High pressure will build in for Thursday with winds steadily decreasing as the high crests over the region for Thursday afternoon. Stuck with a consensus for the temperatures for what should be a nice day. Thursday night had been looking like the coldest night of the week as the high passes to our east but some mid level clouds may prevent the radiational cooling from taking hold in the north and so have not gone quite as bullish on the cold as past forecasts. Still temperatures will remain in the single digits overnight.

LONG TERM /SATURDAY THROUGH WEDNESDAY/. High pressure will be well east of the area Friday morning with return flow advecting warmer air into the region. Highs on Friday will run 10 to 15 degrees warmer than Thursday with mostly cloudy skies.

The next system of consequence will be an area of low pressure that develops over the southeast US Friday. Deterministic and ensemble solutions have come in better agreement with a westward track of this system cutting up into the St. Lawrence Valley. With milder air already moving into the region ahead of this system and a westward track, this system is looking to be a mostly rain event. Precipitation will break out from SW to NE and may briefly start as a wintry mix before quickly changing over to rain south of the mountains. In the mountains precipitation will start as snow changing to a wintry mix before changing to rain Saturday morning except for the highest elevations where snow will last the longest. There are some model differences with regards to QPF with the GFS trending drier while the ECMWF and CMC suggest upwards of 2 inches are possible. High PWATS and good orographic flow have led towards the wetter solutions with 1 to 2 inches of QPF along and south of the mountains. See the hydrology section for information about river flooding.

The system moves northeast Sunday with upslope snow showers in the mountains. High pressure builds into the region Monday followed by low pressure tracking from the Ohio Valley towards New England Tuesday. This system looks colder with a track closer to the coast or just offshore.

AVIATION /20Z WEDNESDAY THROUGH MONDAY/. Short Term . VFR will prevail through the next 36 hours. Another push of cold air moves in tonight and as it does some snow squalls are possible in the mountains with brief reductions to visibility for HIE through to Jackman. NWly flow will continue through evening with VFR and calm conditions for Thursday.

Long Term . Low pressure will track over western New England bringing widespread rain to the area Friday night into Saturday night with MVFR likely. Conditions will improve to IFR Sunday into Monday.

MARINE. Short Term . A secondary cold front pushes through off shore tonight with increasing NWly wind gusting across the waters. Gales will remain in place and have actually increased wind speeds above the median as the low level profiles of cold air over the (relatively) warmer water should help support mixing down of the higher wind speeds from aloft.

Long Term . Low pressure tracking up the East Coast over western New England will bring possible gales and elevated seas Saturday morning into Monday.

HYDROLOGY. Low pressure tracking up the East Coast will bring 1 to 2 inches of rain to the region Friday night into Saturday night. Recent rain and mild temperatures have lead to many rivers in New Hampshire to be running high into the 90th percentile for this time of year. While much of the snowpack south of the mountains has been decimated from recent warmth, NOHRSC estimates show that a ripened snowpack remains from the New Hampshire Lakes Region southwestward towards the border with MA and VT. This snow pack, although heavily reduced will likely melt off with this system and along with rainfall will lead to flooding concerns for rivers in central and southern New Hampshire. Farther north, into the White Mountains a rain on snow scenario will likely serve to moisten the snowpack leading to less runoff and flooding concerns.

TIDES/COASTAL FLOODING. Low pressure tracking to the west of the area Friday night through Saturday night will bring strong onshore flow and increasing near shore waves. Peak surge with this system is forecast to occur a few hours after the mid-day high tide Saturday and this with near shore waves around 5 to 7 feet may pose some beach erosion and minor coastal flooding concerns.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory from 10 PM this evening to 7 AM EST Thursday for ANZ151-153. Gale Warning from 10 PM this evening to 7 AM EST Thursday for ANZ150-152-154.

SYNOPSIS . Curtis/Schroeter NEAR TERM . Curtis SHORT TERM . Curtis LONG TERM . Schroeter AVIATION . Curtis/Schroeter MARINE . Curtis/Schroeter HYDROLOGY . Schroeter TIDES/COASTAL FLOODING . Schroeter


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44032 - Buoy E0104 - Central Maine Shelf 35 mi110 min ENE 3.9 G 5.8 31°F 47°F4 ft1020.7 hPa
CASM1 - 8418150 - Portland, ME 38 mi54 min 31°F 41°F
44033 - Buoy F0103 - West Penobscot Bay 43 mi110 min ENE 3.9 G 9.7 30°F 45°F3 ft1021 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wiscasset Airport, ME10 mi61 minN 010.00 miMostly Cloudy29°F12°F51%1022 hPa
Augusta, Augusta State Airport, ME17 mi61 minN 010.00 miFair27°F6°F41%1021.4 hPa

Link to 5 minute data for KIWI

Wind History from IWI (wind in knots)
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Last 24hrSW9SW5SW444Calm46CalmCalmCalmSW343Calm333CalmCalm3NE4E3Calm
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Tide / Current Tables for Richmond, Kennebec River, Maine
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Richmond
Click for Map
Wed -- 12:44 AM EST     5.07 feet High Tide
Wed -- 06:14 AM EST     Moonset
Wed -- 06:48 AM EST     0.45 feet Low Tide
Wed -- 07:03 AM EST     Sunrise
Wed -- 12:49 PM EST     5.78 feet High Tide
Wed -- 03:50 PM EST     Moonrise
Wed -- 04:00 PM EST     Sunset
Wed -- 07:24 PM EST     -0.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.954.63.72.51.40.60.50.923.44.75.65.85.44.43.11.60.5-0.100.723.4

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Wed -- 02:31 AM EST     -0.00 knots Slack
Wed -- 04:29 AM EST     -0.79 knots Max Ebb
Wed -- 06:13 AM EST     Moonset
Wed -- 07:03 AM EST     Sunrise
Wed -- 07:48 AM EST     0.00 knots Slack
Wed -- 10:44 AM EST     1.02 knots Max Flood
Wed -- 02:48 PM EST     -0.00 knots Slack
Wed -- 03:51 PM EST     Moonrise
Wed -- 04:01 PM EST     Sunset
Wed -- 04:59 PM EST     -0.97 knots Max Ebb
Wed -- 08:43 PM EST     0.00 knots Slack
Wed -- 11:15 PM EST     0.87 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.3-0.3-0.7-0.7-0.5-0.20.10.50.910.90.70.5-0.1-0.7-1-0.8-0.6-0.30.10.60.9

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Gray/Portland, ME (16,3,4,5)
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Ground Weather Radar Station Portland, ME
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