Friday, December13, 2019
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Marine Weather and Tides
Southwest Harbor, 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 3:56PM Friday December 13, 2019 11:29 PM EST (04:29 UTC) Moonrise 6:23PMMoonset 9:18AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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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ANZ052 Intra Coastal Waters From Schoodic Point, Me To Stonington, Me- 932 Pm Est Fri Dec 13 2019
.small craft advisory in effect through Saturday evening...
.gale watch in effect from late Saturday night through Monday morning...
Rest of tonight..SE winds 10 to 15 kt with gusts up to 25 kt, increasing to 15 to 20 kt with gusts up to 30 kt late. Seas 2 to 4 ft. A chance of rain late this evening, then rain with vsby 1 to 3 nm.
Sat..SE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 nm.
Sat night..S winds 15 to 20 kt, becoming sw 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 4 to 7 ft. Rain in the evening, then a chance of showers after midnight. Vsby 1 to 3 nm in the evening.
Sun..W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft.
Sun night..W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 7 ft.
Mon..W winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 5 ft.
Mon night..W winds 10 to 15 kt with gusts up to 20 kt, becoming nw around 5 kt after midnight. Seas 2 to 3 ft. A chance of snow after midnight with vsby 1 to 3 nm.
Tue..NE winds 5 to 10 kt, becoming n. Seas 1 foot or less, then 2 to 4 ft. Snow and rain likely through the day, then a chance of showers in the evening. A chance of snow showers through the night. Vsby 1 to 3 nm.
Wed..N winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon, then becoming nw 15 to 20 kt. Seas 2 to 4 ft.
ANZ005 932 Pm Est Fri Dec 13 2019
Synopsis for eastport me to stonington me out 25 nm.. High pres will exit across the maritimes overnight. Intensifying low pres will track N across new england to N maine Sat through Sat night. A cold front will cross the region Sun. High pres will cross the region Mon. Low pres will cross the waters Tue then exit across the maritimes Wed.


7 Day Forecast for Marine Location Near Southwest Harbor CDP, ME
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location: 44.24, -68.35     debug


Area Discussion for - Caribou, ME
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FXUS61 KCAR 140217 AFDCAR

Area Forecast Discussion National Weather Service Caribou ME 917 PM EST Fri Dec 13 2019

SYNOPSIS. High pressure will exit across the Maritimes overnight. Intensifying low pressure will track northward across New England to northern Maine Saturday through Saturday night. A cold front will cross the region Sunday. High pressure will cross the region Monday. Low pressure will cross the Gulf of Maine Tuesday.

NEAR TERM /THROUGH SATURDAY/. 9:17 pm update: Low pressure along the SC coast will lift up the east coast and should be off the NJ coast by 12Z Saturday morning. Warm air advection will continue overnight ahead of the low with slowly rising temperatures. Precipitation will overspread the FA from the southwest overnight. Temperatures are already in the low to mid 40s along the coast where the precipitation will be all rain. Inland, a mix of rain and snow in the Greater Bangor Region and interior Downeast will change to all rain by early Saturday morning, with the rain/snow line expected to lift north into southeast Aroostook County/Houlton area by daybreak. Across northern and central Aroostook County, the precipitation should be in the form of snow overnight, but with any accumulations an inch or less. The ongoing forecast has a good handle on the situation, so only some minor adjustments are planned based on the latest observations, radar trends, and near term model trends.

Previous discussion: A warm front will lift north of the region early tonight. Low pressure will intensify across the Mid-Atlantic region tonight then lift north across New England Saturday. Expect rising temperatures tonight with warm advection. Moisture also begins to expand north in advance of the Mid-Atlantic low with increasing precipitation chances. Across Downeast areas, expect a rain/snow mix early tonight which will transition to rain overnight. Snow will transition to a snow/rain mix across central portions of the forecast area, with mostly snow across northern areas. Have also included patchy freezing drizzle across portions of the west-central highlands early tonight. Little or no ice accumulation is expected. Precipitation will remain in the form of rain Downeast Saturday. Snow will transition to rain across the remainder of the region through Saturday morning into the afternoon. Total snow accumulations through early Saturday, before the transition to rain, will generally range from 1 to 2 inches across the north and mountains with the greater totals across the Saint John Valley and higher terrain areas. Snow totals diminish southward across the forecast area with less than an inch expected across Downeast areas. Low temperatures tonight will occur early, then begin to warm overnight. High temperatures Saturday will range from around 40 to the lower 40s north, to around 50 interior Downeast with lower 50s along the Downeast coast.

SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/. Low pressure lifting up to our west Saturday night will bring a warm south to southwesterly wind and some lingering showers and drizzle across the area. As the low lifts just north of Maine late Saturday night into early Sunday morning some colder air will begin circulating in from the west southwest. A period of increased mixing could result in some strong wind gusts and possibly isolated power outages early Sunday morning, especially Downeast. Sunday will remain cloudy over the north with some breaks in the clouds Downeast as strong gusty winds around the back side of the low become westerly. Some rain and snow showers, changing to snow showers, will be possible over the north on Sunday. Strong gusty west winds will continue Sunday night into Monday as the low moves away, high pressure builds in from the west, and clearing pushes from south to north across the area. The sky should be sunny midday and afternoon Monday.

LONG TERM /MONDAY NIGHT THROUGH FRIDAY/. So far this month we have been in a strong positive NAO pattern which has supported occasional ridging near the east coast. This has been favoring a storm track up to our northwest with storms pulling warm air in from the Gulf Stream bringing warm-ups and rain. Now the pattern is expected to change with the positive NAO collapsing and becoming near neutral or negative in a few days possibly renewing a storm track to our south.

A low tracking across the Ohio Valley late Monday and across southern New England Tuesday morning should slide east northeast toward Nova Scotia on Tuesday keeping us on its cold side. This looks like a small to medium sized fast moving low which could bring light to moderate snow to central and Downeast areas with lighter snow over the north. A strong upper level trough and a clipper low is then expected to charge through Wednesday into Wednesday night bringing a chance of snow showers and possibly, across the north, some heavier gusty snow squalls. Arctic high pressure should following with clearing on Friday.

AVIATION /02Z SATURDAY THROUGH WEDNESDAY/. NEAR TERM: MVFR at the Downeast terminals as of 02z/9pm EST will lower to LIFR overnight. VFR at the Aroostook County terminals will lower to MVFR and eventually to LIFR in -sn overnight. IFR/LIFR conditions are expected Saturday with snow or a wintry mix transitioning to rain north, with rain Downeast. Low level wind shear is a concern across northern areas tonight into Saturday and across Downeast areas later tonight into Saturday and has been included in the Tafs.

SHORT TERM: Saturday night: IFR, possibly improving to MVFR Downeast. Strong S to SW winds. SW wind shear likely.

Sunday: IFR To MVFR north. MVFR to VFR Downeast. Strong gusty SW to W winds.

Sunday night: Possibly MVFR north early. Otherwise VFR. Strong gusty W winds.

Monday: VFR: Strong gusty west winds.

Monday night: VFR, lowering to MVFR then IFR in snow Downeast. W winds becoming light then E late.

Tuesday: IFR in snow, becoming MVFR then VFR. NE winds becoming N then NW.

MARINE. NEAR TERM: A Small Craft Advisory is in effect tonight through Saturday. A few wind gusts up to 35 knots are possible later Saturday morning through early afternoon. Visibilities will lower in developing rain tonight, with rain persisting Saturday.

SHORT TERM: A gale will be needed Saturday night through Monday morning for strong south winds becoming southwesterly then westerly. Winds will gradually diminish late Monday into Monday night. A small low will bring a mix of precipitation along the coast with rain offshore late Monday night into Tuesday and may require a SCA.

CAR WATCHES/WARNINGS/ADVISORIES. ME . None. MARINE . Gale Watch from late Saturday night through Monday morning for ANZ050>052. Small Craft Advisory until midnight EST Saturday night for ANZ050>052.



Near Term . CB/Norcross Short Term . Bloomer Long Term . Bloomer Aviation . CB/Norcross/Bloomer Marine . CB/Norcross/Bloomer


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ATGM1 - 8413320 - Bar Harbor, ME 13 mi60 min S 6 G 9.9 45°F 43°F1026.9 hPa
44034 - Buoy I0103 - Eastern Maine Shelf 16 mi86 min SSE 18 G 21 47°F 48°F6 ft1026.7 hPa
MDRM1 - Mt Desert Rock, ME 22 mi90 min SE 21 G 23 1026.7 hPa (-2.0)
44033 - Buoy F0103 - West Penobscot Bay 37 mi86 min SE 9.7 G 12 45°F 4 ft1024.9 hPa

Wind History for Bar Harbor, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bar Harbor, Hancock County-Bar Harbor Airport, ME15 mi94 minS 610.00 miOvercast42°F39°F92%1027.4 hPa

Link to 5 minute data for KBHB

Wind History from BHB (wind in knots)
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Last 24hrNE3CalmCalmCalmCalmN33CalmCalmS11S14S18
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4W4CalmW7NW5NW3N53NW5NW8N6N5N64NE3NE3CalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Bass Harbor, Mount Desert Island, Maine
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Mackerel Cove, Maine
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Mackerel Cove
Click for Map
Fri -- 04:54 AM EST     0.57 feet Low Tide
Fri -- 07:00 AM EST     Sunrise
Fri -- 08:17 AM EST     Moonset
Fri -- 10:59 AM EST     11.45 feet High Tide
Fri -- 03:54 PM EST     Sunset
Fri -- 05:23 PM EST     Moonrise
Fri -- 05:32 PM EST     -0.72 feet Low Tide
Fri -- 11:39 PM EST     9.96 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.37.65.32.81.10.61.43.368.810.811.410.89.16.43.40.9-0.5-0.60.735.88.29.7

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Caribou, ME (23,6,7,8)
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Ground Weather Radar Station Portland, ME
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