Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Southwest Harbor, ME

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 5:30AMSunset 7:34PM Wednesday April 25, 2018 7:41 PM EDT (23:41 UTC) Moonrise 2:43PMMoonset 3:40AM Illumination 81% 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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ANZ052 Intra Coastal Waters From Schoodic Point, Me To Stonington, Me- 704 Pm Edt Wed Apr 25 2018
Tonight..SE winds 15 to 20 kt, becoming S 20 to 25 kt after midnight, then diminishing to 15 to 20 kt late. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Rain. Areas of fog late this evening and overnight. Vsby 1 to 3 nm, decreasing to 1 nm or less late this evening and overnight.
Thu..S winds 15 to 20 kt with gusts to 25 kt, becoming sw 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Areas of fog in the morning. Rain in the morning, then a chance of showers in the afternoon. Vsby 1 nm or less in the morning.
Thu night..SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 5 ft.
Fri..SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 4 ft.
Fri night..S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers in the evening, then showers likely after midnight.
Sat..S winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning.
Sat night..SW winds 5 to 10 kt. Seas 2 to 4 ft.
Sun..W winds 5 to 10 kt. Seas 2 to 4 ft.
Mon..W winds 5 to 10 kt. Seas 2 to 3 ft.
ANZ005 704 Pm Edt Wed Apr 25 2018
Synopsis for eastport me to stonington me out 25 nm.. Low pres will approach from the sw tonight and track W of the waters on Thu. The low will lift N into E canada Thu night. High pres will build S of the waters Fri morning. Another low will approach Fri afternoon.

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 252329
afdcar
area forecast discussion
national weather service caribou me
729 pm edt Wed apr 25 2018

Synopsis
Low pressure will approach from the southwest tonight and track west
of our area on Thursday. The low will continue north into eastern
canada Thursday night as high pressure returns. Another low will
approach on Friday.

Near term through Thursday
7pm update... Rainfall is overspreading the area as forecast and
the dominant concern here continues to be the flooding
potential. The approaching low is bringing quite a bit of
moisture and warmth that will melt a considerable snow pack
remaining north of the katahdin region. Snow water equivalent
was as high as 8 inches at winterville yesterday and most or all
of it will melt in the next few days. Thus rivers will be on
the rise into Saturday.

Previous discussion... Rain ahead of low pressure approaching
from the mid- atlantic region will spread north across the area
this evening and continue overnight. The low center is expected
to lift to our west later tonight into Thursday allowing warmer
and more moist air to be pulled north across our area. Fog will
likely developing downeast late this evening, and then across
the north late tonight as the increasingly humid air gets pulled
north over colder surfaces. Rain will taper off from south to
north on Thursday as the low, tracking to our west, lifts north
and drier air gets pulled in south of the low. Forecast rainfall
amounts vary considerably between the models with close to 2
inches forecast over the north and just over 2 inches downeast
on the nam, and around 1 inch over the north and 3 inches
downeast on the gfs. Will keep just over an inch across the
north and just over 2 inches downeast in the forecast. Rainfall
combined with water released from snow melt will result in
significant rises on the rivers through Thursday. However, the
rivers, even across the north, are now open so ice jams are not
expected to impact the rivers. The sky will likely remain mostly
cloudy over the north and partially clear downeast Thursday
afternoon. Some showers are then possible late Thursday
afternoon, especially over western locations, as the upper low
swings into the area. &&

Short term Thursday night through Saturday
A flood watch has been posted through Saturday afternoon for
northern and central areas.

Expect steady rainfall to end Thursday evening as the surface
and upper lows exit to the northeast. Mainly cloudy skies with a
few lingering showers can be expected across the north Thursday
night, with partial clearing across central and downeast.

Thought about adding patchy fog Thursday night but think there
should be enough of a west gradient to preclude the threat of
any patchy fog. Lows Thursday night will drop into the 40s most
areas.

Friday will start out as a dry day before clouds and showers
associated with another weak low from the mid atlantic
overspreads the area late in the day and continues into Friday
evening. Rainfall amounts with this system area expected to be
light, generally a tenth to a third of an inch. Highs on Friday
are expected to be in the low 60s across the region, with lows
Friday night in the 40s.

Saturday will see continued unsettled conditions as a weak
disturbance in advance of an upper low to our west brings the
continued chance for showers. Highs on Saturday will range from
the mid 50s to around 60.

Long term Saturday night through Wednesday
It remains unsettled Saturday night through Sunday as the upper
low to our west drifts across the area. Expect a continued
chance for showers at times. Lows Saturday night will fall into
the mid 30s to around 40 north and lower 40s elsewhere. Highs on
Sunday will range from the upper 40s to lower 50s north and mid
to upper 50s central and downeast. Expect much warmer and mainly
dry weather for the beginning of the work week with high
temperatures climbing to well above normal levels by the middle
of the week.

Aviation 23z Wednesday through Monday
Near term: conditions are expected to drop to MVFR then ifr
this evening as rain and lower clouds spread from south to
north. Ifr conditions are expected overnight tonight into
Thursday morning. Conditions may return to MVFR thenVFR
downeast Thursday afternoon and improve to MVFR over the north.

Short term: generallyVFR conditions can be expected through
the period, although scattered showers can be expected from
time to time Thursday night through Sunday with brief MVFR
conditions possible in any showers.

Marine
Near term: south winds are expected to increase to SCA with
gusts up to 30 kt tonight into Thursday morning, and seas are
expected to build up to 12 ft. Winds should drop below SCA by
midday Thursday but seas will remain up to 10 ft in response to
the southerly overnight into Thursday morning.

Short term: small craft advisory conditions may persist
Thursday night through Friday.

Hydrology
A flood watch has been issued for downeast from late tonight
into Thursday afternoon and across the north from Thursday
morning through Saturday. The watch for downeast is mainly for
responses of small streams and rivers to the heavy rainfall
overnight which may approach 2 inches in some areas. The watch
across the north is for the larger rivers response to combined
snow melt and rainfall. The rivers are projected to steadily
rise into early this weekend and may approach flood stage by
Saturday.

Car watches warnings advisories
Me... Flood watch from Thursday morning through Saturday afternoon
for mez001>006-010-011-031.

Flood watch from 2 am edt Thursday through Thursday afternoon
for mez015>017-029-030-032.

Marine... Small craft advisory until 10 am edt Thursday for anz050-051.

Near term... Bloomer mcw
short term... Duda
long term... Duda
aviation... Bloomer mcw duda
marine... Bloomer mcw duda
hydrology... Duda


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ATGM1 - 8413320 - Bar Harbor, ME 13 mi42 min SSE 6 G 8.9 46°F 41°F1016.5 hPa (-2.4)
44034 - Buoy I0103 - Eastern Maine Shelf 16 mi98 min ESE 14 G 16 45°F 41°F3 ft1015.7 hPa
MDRM1 - Mt Desert Rock, ME 22 mi42 min E 22 G 23 45°F 1015.7 hPa (-2.7)
44033 - Buoy F0103 - West Penobscot Bay 37 mi98 min SE 12 G 16 45°F 42°F2 ft1015 hPa
MISM1 - Matinicus Rock, ME 41 mi42 min ESE 25 G 27 46°F 1013.6 hPa (-2.7)

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 mi46 minSSE 99.00 miLight Rain52°F51°F97%1016.5 hPa

Wind History from BHB (wind in knots)
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Last 24hrS10S6S11S12S7S8S7SW10SW10SW10S8--S8S7S9SW11SW9SW5SE4E5NE4S13
G17
S12SE9
1 day agoSW8S6SW7S8S5SW6S4SW8SW8SW7S9S10SW13SW11S11SW14SW12S14S18
G22
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2 days agoNW4NW6NW5NW5NW4N4N4CalmCalmCalmCalmCalmCalmCalm45SW6S10S10SW11SW14S18S15S11

Tide / Current Tables for Bass Harbor, Mount Desert Island, Maine
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Bass Harbor
Click for Map
Wed -- 12:57 AM EDT     0.63 feet Low Tide
Wed -- 03:39 AM EDT     Moonset
Wed -- 05:33 AM EDT     Sunrise
Wed -- 07:40 AM EDT     10.47 feet High Tide
Wed -- 01:32 PM EDT     -0.11 feet Low Tide
Wed -- 02:42 PM EDT     Moonrise
Wed -- 07:30 PM EDT     Sunset
Wed -- 08:19 PM EDT     10.31 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.30.61.22.857.29.110.210.49.26.841.50.101.13.15.57.79.410.39.98.25.6

Tide / Current Tables for Mackerel Cove, Maine
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Mackerel Cove
Click for Map
Wed -- 01:28 AM EDT     0.79 feet Low Tide
Wed -- 03:39 AM EDT     Moonset
Wed -- 05:34 AM EDT     Sunrise
Wed -- 07:38 AM EDT     10.72 feet High Tide
Wed -- 02:06 PM EDT     -0.04 feet Low Tide
Wed -- 02:43 PM EDT     Moonrise
Wed -- 07:30 PM EDT     Sunset
Wed -- 08:20 PM EDT     10.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
20.912.24.57.19.210.510.69.67.64.92.40.7-00.52.34.97.59.510.410.38.96.6

Weather Map and Satellite Images
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wmap_A
GOES 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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Caribou, ME (19,4,5,8)
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Ground Weather Radar Station Portland, ME
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Disclaimer:
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 numerious 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.