Saturday, July4, 2020
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Marine Weather and Tides
Bath, 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 5:01AMSunset 8:27PM Saturday July 4, 2020 12:51 AM EDT (04:51 UTC) Moonrise 8:17PMMoonset 4:16AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 1122 Pm Edt Fri Jul 3 2020
Rest of tonight..NE winds around 5 kt. Seas 2 to 3 ft.
Sat..NE winds around 5 kt, becoming se in the afternoon. Seas 2 to 3 ft. Patchy fog in the morning with vsby 1 to 3 nm.
Sat night..S winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 nm.
Sun..S winds 5 to 10 kt. Seas 1 to 2 ft. Patchy fog in the morning with vsby 1 to 3 nm.
Sun night..S winds around 5 kt, becoming ne around 5 kt after midnight. Seas 1 to 2 ft. A chance of showers.
Mon..NE winds around 5 kt, becoming se around 5 kt in the afternoon. Seas 1 to 2 ft in the morning, then 1 foot or less.
Mon night..SW winds around 5 kt. Seas 1 foot or less.
Tue..S winds up to 10 kt. Seas 2 to 3 ft.
Tue night..S winds 5 to 10 kt. Seas 2 to 3 ft.
Wed..S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms.
Wed night..SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms.
ANZ100 1122 Pm Edt Fri Jul 3 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will settle over the waters through the first half of the holiday weekend. Another front will cross the waters on Sunday, otherwise high pressure persists over the maritimes with mostly onshore flow into midweek. &&


7 Day Forecast for Marine Location Near Bath, ME
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location: 43.92, -69.81     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 040326 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1126 PM EDT Fri Jul 3 2020

SYNOPSIS. A front stalled to our southwest will keep the chances of showers and possibly a rumble of thunder going into this evening across western New Hampshire and the mountains. Saturday will be mainly dry with comfortable temperatures. A cold front will cross the area Sunday bringing a chance for showers and afternoon thunderstorms. Heat and humidity build towards the middle of next week with chances for afternoon showers and thunderstorms.

NEAR TERM /TONIGHT/. 1130PM UPDATE . Minor adjustment for hourly temperatures with this update. Otherwise no significant changes to prior forecast thinking.

8PM UPDATE . Made a few adjustments to temperatures overnight and to precipitation chances this evening. Still seeing a few remnant showers drift into NH from VT this evening, but expect this to decrease soon. Drier air has filtered into the eastern half of the area. Temperatures should drop into the 50s across the area tonight, with the coolest temperatures likely along the Midcoast.

ORIGINAL DISCUSSION . The cooler and drier air behind the back door front that moved thru last night is starting to make inroads from the east, with temps falling and Tds dropping as well. But the front got stalled this morning on the terrain in wrn NH, and the Connecticut River Valley was still on the warm and humid side through much of the day, although the front should get a push and move that out this evening. There will be a threat for few showers and storms in wrn NH thru early evening as well. Patchy fog should develop cross much of the CWA, although may see more coverage of the fog along the coast. Lows range from the mid to upper 50s across much of the CWA, but closer to 60 in srn NH.

SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/. Zonal flow aloft should allow for enough subsidence to help clear out the skies on Saturday, although given very weak flow regime, it may take a good chunk of the morning to burn off the fog and low clouds in some spots, especially on the coast. Still should see a good amount of afternoon sun, and that will help push temps up into the upper 70s to low 80 across much of the inland zones. Given the weak flow, sea breeze will develop on the coast and highs there will be in the upper 60s to mid 70s. Could see a few isolated SHRA/TSRA pop up in the mtns late in the day, as 500 mb wave approaches from the W, but POPS remain 20% or below here.

Sat night will be a cool night as dry air will be in place and winds remain light with mainly clear skies. Lows will range from the low 50s in the mtns to the upper 50s in the S and along the coast. Valley fog should be a good bet as well.

LONG TERM /SUNDAY THROUGH FRIDAY/. The 500 mb pattern across North America will feature a short wave trough moving through northern New England Sunday, a ridge over the Great lakes extending to Hudson's Bay, and a trough in the West. The pattern will transition to near zonal flow with heights trending above normal starting Monday and persisting into the middle of next week. This will lead to temperatures running above normal for much of next week and humidity increasing towards the second half of next week. There will be subtle short waves moving through the zonal flow bringing chances for afternoon showers and storms most afternoons, although confidence is low in pinpointing which days will have more widespread activity that others.

Short wave crossing northern New England Sunday will drag a cold front through the region Sunday afternoon. Decent instability will develop ahead of the front across interior western Maine and New Hampshire while onshore winds and clouds will limit instability across eastern and coastal zones. The best forcing is slightly displaced from where the best instability will be over northern and eastern zones. Have gone with the chance of general thunderstorms across the area with highest chances across northern and eastern zones.

Monday will be mainly dry with comfortable temperatures behind the front. As the upper level pattern transitions to zonal flow across the northern tier of the CONUS, temperatures will be on the rise starting Tuesday with highs approach the low 90s for the middle and second half of next week. Humidity will also increase starting Wednesday with dewpoints near 70 from Wednesday into the end of the week. Disturbances will be passing through the zonal flow next week bring chances for afternoon showers and storms with run to run variability amongst models in which day will have the best chance for widespread precipitation. At the moment Wednesday has the highest chances for showers and storms, while each afternoon starting Tuesday onward will have a chance of showers and storms.

AVIATION /00Z SATURDAY THROUGH WEDNESDAY/. Short Term . Fog and low cigs should settle into all the terminals tonight, with IFR to LIFR common. All terminals will return to VFR by mid-late Sat morning. Restrictions in valley fog possible Sun night.

Long Term . Mostly VFR with some restrictions in SHRA and -TSRA Sunday afternoon and again each afternoon from Tuesday onward.

MARINE. Short Term . Winds/seas stay abv SCA levels thru this evening S of Casco Bay. However, winds should diminish later tonight and stay below SCA levels into Sunday.

Long Term . Winds and seas will remain below SCA thresholds.

GYX WATCHES/WARNINGS/ADVISORIES. ME . Beach Hazards Statement through Sunday evening for MEZ023>028. NH . Beach Hazards Statement through Sunday evening for NHZ014. MARINE . Small Craft Advisory until midnight EDT tonight for ANZ154.



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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44032 - Buoy E0104 - Central Maine Shelf 28 mi107 min NE 7.8 G 9.7 56°F 56°F3 ft1012.7 hPa
CASM1 - 8418150 - Portland, ME 29 mi57 min 61°F 61°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 32 mi61 min NE 9.7 G 12 59°F 61°F3 ft1013.2 hPa (+0.0)59°F
44033 - Buoy F0103 - West Penobscot Bay 44 mi107 min NW 1.9 G 1.9 55°F 2 ft1013.1 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wiscasset Airport, ME6 mi58 minN 010.00 miOvercast61°F57°F87%1014.8 hPa

Link to 5 minute data for KIWI

Wind History from IWI (wind in knots)
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Last 24hrCalmCalmCalm33NE354E6E5E6E9E7445E7SE6E6SE3CalmCalmE3Calm
1 day agoCalmCalmCalmCalmSW3CalmSW44SW54S4S6SW7SW6S55S6S5S3S3SW3CalmCalmCalm
2 days agoSE3E3CalmCalmCalmCalmCalmE3CalmCalmCalmCalm3S44S6S63SE3CalmCalmCalmCalmCalm

Tide / Current Tables for Bath, Kennebec River, Maine (2)
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Bath
Click for Map
Sat -- 04:16 AM EDT     Moonset
Sat -- 05:02 AM EDT     Sunrise
Sat -- 06:20 AM EDT     -0.65 feet Low Tide
Sat -- 12:18 PM EDT     6.65 feet High Tide
Sat -- 06:26 PM EDT     0.20 feet Low Tide
Sat -- 08:16 PM EDT     Moonrise
Sat -- 08:24 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.66.95.43.41.50.1-0.6-0.40.72.64.55.96.66.55.542.410.30.41.43.25.26.8

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Sat -- 03:07 AM EDT     -0.00 knots Slack
Sat -- 04:15 AM EDT     Moonset
Sat -- 05:02 AM EDT     Sunrise
Sat -- 05:24 AM EDT     -1.04 knots Max Ebb
Sat -- 09:14 AM EDT     0.00 knots Slack
Sat -- 12:50 PM EDT     0.97 knots Max Flood
Sat -- 03:39 PM EDT     -0.00 knots Slack
Sat -- 05:41 PM EDT     -0.84 knots Max Ebb
Sat -- 08:16 PM EDT     Moonrise
Sat -- 08:24 PM EDT     Sunset
Sat -- 09:12 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.70.1-0.6-1-1-0.8-0.6-0.10.40.8110.90.4-0.2-0.7-0.8-0.7-0.5-0.10.50.9

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Gray/Portland, ME (0,6,7,8)
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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.