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Marine Weather and Tide Forecast for Bath, ME

June 25, 2024 2:18 AM EDT (06:18 UTC) Change Location
Sunrise 4:57 AM   Sunset 8:28 PM
Moonrise 11:29 PM   Moonset 8:39 AM 
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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- 309 Pm Edt Mon Jun 24 2024

Tonight - NW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers early this evening, then showers likely late this evening. A chance of showers after midnight. Vsby 1 to 3 nm late this evening and early morning.

Tue - NW winds 5 to 10 kt, becoming sw in the afternoon. Seas 2 to 3 ft.

Tue night - SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.

Wed - SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers in the afternoon.

Wed night - SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of tstms in the evening. Showers likely.

Thu - W winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely, mainly in the morning.

Thu night - NW winds 5 to 10 kt. Seas 2 to 3 ft.

Fri - NW winds 5 to 10 kt, becoming sw in the afternoon. Seas 2 to 3 ft.

Fri night - S winds 5 to 10 kt. Seas around 2 ft.

Sat - S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.

Sat night - S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.
winds and seas higher in and near tstms.

ANZ100 309 Pm Edt Mon Jun 24 2024

Synopsis for stonington me to merrimack river ma out to 25 nm low pressure moves east away from the waters tonight high pressure builds over the region from the west for Tuesday, then shifts east of the waters by Wednesday. Another cold front approaches the waters on Wednesday, crossing through late Wednesday night and Thursday.


7 Day Forecast for Marine Location Near Bath, ME
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Area Discussion for - Gray/Portland, ME
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849 FXUS61 KGYX 250321 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1121 PM EDT Mon Jun 24 2024

SYNOPSIS
Showers and thunderstorms will come to an end tonight with the weather turning drier and warmer for Tuesday and Wednesday. Low pressure will bring another round of showers Wednesday night with somewhat cooler and drier air arriving for the remainder of the work week.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/
11pm Update...Showers have quickly collapsed to the coast and should be out of here by midnight for most locations. Clearing behind is also progressing well.

940pm Update...Quite a busy evening in the hydro department.
Precip efficiency and slow storm motion/training was a good combo to produce areas of minor and flash flooding (a few road washouts have been reported in Chesterville, ME) this evening.
This activity should be subsiding as elevated instability is beginning to wash out as low pulls to the east. Skies should begin to thin after midnight, which could bring lows in the lower 50s to the mountains. Believe some breeze remains across much of the coast and interior tonight for temps to stay in the upper 50s.

Previous Discussion...
500 mb with weak sfc reflection current over the CWA, but slowly track ESE this afternoon and evening. It has been setting off some nearly stationary convective cells sine this morning, but no signs of lightning yet. Given, they are not very large, they been posing almost no issues, expect for the little cluster near Jay, ME which has put down 1-2 in the last couple hours.
They are also line up roughly W-E along a sfc boundary from the cluster in Jay off to the where the Penobscot river meet Pen Bay. Impacts should be limited but will have to keep an eye anything that hangs a round the same place too often. Also as that system shift to the SE expect the chance of showers to shift a little more SE toward the coast this evening. Winds on the back side will shift N and pick up a bit toward evening, but these should be diminishing after midnight as well. All showers should be done by 04-06Z, with clearing from W-E following. The usual mtn valley may decouple late, which could lead to some fog there, with lows ranging from the low to mid 50s in the mtns, to near 60 in srn NH and on the ME coast.

SHORT TERM /6 AM TUESDAY MORNING THROUGH WEDNESDAY/
High pressure builds in with NW flow Tuesday morning with the ridge cresting over the CWA in the afternoon. This should allow for a mainly sunny and warm day with highs mostly 80-85, although a little in some mountain spots and a little warmer in the more populated corridor of S NH. I think winds slacken off enough in the afternoon that a sea breeze develops, but it will develop late and will be limited to the immediate shoreline.

LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/
High Impact Weather Potential: Threat for widespread severe weather is low through the long term forecast
Late Wednesday
if approaching surface cold front arrives earlier than currently expected...there would be a severe thunderstorm threat.

--Pattern and Summary--

Unblocked pattern with multiple shortwaves embedded within the northern stream flow indicates a fairly changeable period of weather with strong ensemble guidance agreement on precipitation events Wednesday night and again this weekend. The timing of these events will likely determine what...if any severe weather threat they will pose. Temperatures will be above normal on Wednesday and again ahead of the weekend frontal system...returning to around or just below normal behind these systems. This overall yields a warmer/wetter than normal period.

--Daily Details--

Tuesday Night - Wednesday: Warm front pushes through the region Tuesday night with decent LLJ push followed by weak warm advection through Wednesday as the mid level flow slowly backs ahead of the next shortwave trough over the Great Lakes. Could see a few showers or a rumble of thunder Tuesday night...with dry and warm conditions to take back over for the day on Wednesday as T8s edge up slightly from those on Tuesday
Thus
upper 80s to lower 90s are likely south of the mountains with more clouds and cooler temperatures aloft keeping highs near 80 to the north. Surface dewpoints will have moved upward into the 60s
so it will feel a bit humid
though these values should fall short of pushing heat indices much above the actual air temperatures.

Wednesday Night: Next northern stream shortwave arrives Wednesday night and while the global deterministic/ensemble guidance from the EC and GFS are are in solid agreement that this feature will bring a round of showers and possible thunderstorms as a cold front pushes through the area /with a wave of low pressure potentially forming on the front/ the GGEM ensemble as well as today/s 12Z NAM that are flatter with the front largely coming through dry. While this spread in the ensemble guidance suggests caution going with nearly categorical PoPs over southern areas as shown in the NBM...feel that the pattern overall is one that would support precipitation given modest mid level wave and PWATs in the warm sector 1.5-1.75".
Thus...will continue forecast messaging of likelies. Timing does not favor severe weather potential given a lack of instability...but the kinematics will be there...so any speeding up of the cold front could introduce severe thunderstorm potential. The shortwave does look to move through quickly...which limits the overall hydro threat.

Thursday through Saturday: High pressure builds into the region Thursday as low pressure moves into the Canadian maritimes...moving overhead Friday and then offshore for Saturday. This should provide for a dry end to the week through at least the first half of Saturday. Temperatures fall back towards seasonal norms Thursday...and even a few degrees cooler for Friday with drier Canadian air allowing afternoon dewpoints on Friday to fall into the 40s. Temperatures begin to rebound on Saturday ahead of the next frontal system.

Saturday Night - Sunday: There is rather good ensemble agreement for another frontal passage late Saturday/Saturday night. Current expected timing wouldn/t be conducive to a significant severe weather threat...but residual instability and a rather impressive moisture plume /PWATs push back above 2"/ indicates keeping an eye on this period in later forecast for potential hydro issues. Showers may linger into Sunday with temperatures at or slightly above seasonal norms.

Monday: High pressure builds back into the region to end the forecast period with another push of Canadian air bringing drier and cooler conditions to end the forecast period.

AVIATION /03Z TUESDAY THROUGH SATURDAY/
Short Term...MVFR breaks up shortly after midnight but before daybreak. Valley fog is possible at possible at both KHIE/KLEB, although it will depend on how quickly each of those clear out.
Vfr is expected on Tuesday.

Long Term...VFR Tuesday night and Wednesday. A cold front passing through the region Wednesday night will bring the greatest threat for restrictions in showers and possible thunderstorms
During this period
MVFR/IFR restrictions are possible...with fog also possible by Thursday morning. VFR daytime Thursday-Saturday

MARINE
Short Term...SCA remains up for the open waters E of Casco Bay mainly for seas, but could be some N winds gust to near 25 kt briefly late tonight. Otherwise winds/seas will fall SCA levels on Tuesday.

Long Term...Marginal SCA conditions in southerly winds on Wednesday and Wednesday night ahead of an approaching cold front. The next threat for SCAs does not arrive until late Saturday.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Small Craft Advisory until 5 AM EDT Tuesday for ANZ150-152.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
44032 - Buoy E0104 - Central Maine Shelf 28 mi134 minN 12G16 61°F 5 ft29.61
CASM1 - 8418150 - Portland, ME 29 mi60 minWNW 7G8.9 65°F 57°F29.63
44033 - Buoy F0103 - West Penobscot Bay 44 mi134 minN 14G16 59°F 54°F3 ft29.57


Wind History for No Ports station near this location
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No data


Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KIWI WISCASSET,ME 6 sm25 mincalm10 smClear63°F61°F94%29.67
KBXM BRUNSWICK EXECUTIVE,ME 7 sm--no data--
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Wind History graph: IWI
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Tide / Current for Bath, Kennebec River, Maine
   
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Bath
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Mon -- 02:01 AM EDT     7.45 feet High Tide
Mon -- 04:57 AM EDT     Sunrise
Mon -- 07:19 AM EDT     Moonset
Mon -- 08:44 AM EDT     -0.36 feet Low Tide
Mon -- 02:43 PM EDT     6.43 feet High Tide
Mon -- 08:25 PM EDT     Sunset
Mon -- 08:49 PM EDT     0.66 feet Low Tide
Mon -- 11:01 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Bath, Kennebec River, Maine, Tide feet
12
am
5.6
1
am
7
2
am
7.4
3
am
7
4
am
5.9
5
am
4.3
6
am
2.4
7
am
0.9
8
am
-0.1
9
am
-0.3
10
am
0.3
11
am
1.7
12
pm
3.5
1
pm
5.2
2
pm
6.2
3
pm
6.4
4
pm
5.8
5
pm
4.7
6
pm
3.2
7
pm
1.9
8
pm
0.9
9
pm
0.7
10
pm
1.2
11
pm
2.4


Tide / Current for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
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Mon -- 01:47 AM EDT     1.06 knots Max Flood
Mon -- 04:57 AM EDT     Sunrise
Mon -- 05:43 AM EDT     -0.00 knots Slack
Mon -- 07:19 AM EDT     Moonset
Mon -- 08:08 AM EDT     -1.07 knots Max Ebb
Mon -- 11:41 AM EDT     0.00 knots Slack
Mon -- 02:25 PM EDT     0.96 knots Max Flood
Mon -- 06:25 PM EDT     -0.00 knots Slack
Mon -- 08:25 PM EDT     Sunset
Mon -- 08:29 PM EDT     -0.81 knots Max Ebb
Mon -- 11:01 PM EDT     Moonrise
Mon -- 11:25 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Upper Hell Gate (Sasanoa River, Maine) Current, knots
12
am
0.6
1
am
0.9
2
am
1.1
3
am
0.9
4
am
0.6
5
am
0.3
6
am
-0.2
7
am
-0.8
8
am
-1.1
9
am
-0.9
10
am
-0.6
11
am
-0.3
12
pm
0.1
1
pm
0.6
2
pm
0.9
3
pm
0.9
4
pm
0.8
5
pm
0.6
6
pm
0.2
7
pm
-0.3
8
pm
-0.8
9
pm
-0.8
10
pm
-0.5
11
pm
-0.1


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Portland, ME,




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