Marine Weather and Tide Forecast for Winterport, ME
![]() | Sunrise 6:44 AM Sunset 5:59 PM Moonrise 6:44 AM Moonset 5:39 PM |
Marine Forecasts
NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.
ANZ151 Penobscot Bay- 249 Am Edt Sat Oct 10 2026
Today - NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt late. Seas around 2 ft.
Tonight - N winds around 5 kt. Seas 1 foot or less.
Sun - S winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave detail: S 2 ft at 3 seconds.
Sun night - SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds. A chance of showers in the evening, then showers likely after midnight.
Mon - E winds around 5 kt, becoming nw around 5 kt in the afternoon. Seas around 2 ft. Showers likely in the morning.
Mon night - NW winds around 5 kt, becoming ne 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave detail: S 3 ft at 9 seconds.
Tue - E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers.
Tue night - E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers.
Wed - N winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely, mainly in the morning.
Wed night - N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
ANZ100 249 Am Edt Sat Oct 10 2026
Synopsis for stonington me to merrimack river ma out to 60 nm -
high pressure settles over the waters for the remainder of the weekend. Low pressure looks increasingly likely to pass near the gulf of maine early next week with increasing winds and building seas.
high pressure settles over the waters for the remainder of the weekend. Low pressure looks increasingly likely to pass near the gulf of maine early next week with increasing winds and building seas.
7 Day Forecast for Marine Location Near Winterport, ME

NEW! Add second zone forecast
| Winterport Click for Map Sat -- 05:12 AM EDT -0.20 feet Low Tide Sat -- 06:44 AM EDT Sunrise Sat -- 06:44 AM EDT Moonrise Sat -- 11:06 AM EDT 13.37 feet High Tide Sat -- 11:50 AM EDT New Moon Sat -- 05:38 PM EDT Moonset Sat -- 05:39 PM EDT -0.67 feet Low Tide Sat -- 05:59 PM EDT Sunset Sat -- 11:32 PM EDT 12.80 feet High Tide Tide / Current data from XTide NOT FOR NAVIGATION |   |
Winterport, Penobscot River, Maine, Tide feet
| 12 am |
| 11.9 |
| 1 am |
| 9.5 |
| 2 am |
| 6.3 |
| 3 am |
| 3.2 |
| 4 am |
| 0.9 |
| 5 am |
| -0.2 |
| 6 am |
| 0.4 |
| 7 am |
| 2.8 |
| 8 am |
| 6.3 |
| 9 am |
| 9.8 |
| 10 am |
| 12.3 |
| 11 am |
| 13.4 |
| 12 pm |
| 12.8 |
| 1 pm |
| 10.7 |
| 2 pm |
| 7.5 |
| 3 pm |
| 4.2 |
| 4 pm |
| 1.3 |
| 5 pm |
| -0.3 |
| 6 pm |
| -0.5 |
| 7 pm |
| 1.1 |
| 8 pm |
| 4.2 |
| 9 pm |
| 7.8 |
| 10 pm |
| 10.9 |
| 11 pm |
| 12.6 |
| Winterport Click for Map Flood direction 33 true Ebb direction 212 true Sat -- 12:01 AM EDT -0.00 knots Slack Sat -- 02:51 AM EDT -2.35 knots Max Ebb Sat -- 06:02 AM EDT 0.00 knots Slack Sat -- 06:44 AM EDT Moonrise Sat -- 06:44 AM EDT Sunrise Sat -- 08:54 AM EDT 1.95 knots Max Flood Sat -- 11:50 AM EDT New Moon Sat -- 12:18 PM EDT -0.00 knots Slack Sat -- 03:16 PM EDT -2.40 knots Max Ebb Sat -- 05:38 PM EDT Moonset Sat -- 05:59 PM EDT Sunset Sat -- 06:29 PM EDT 0.00 knots Slack Sat -- 09:19 PM EDT 1.87 knots Max Flood Tide / Current data from XTide NOT FOR NAVIGATION |   |
Winterport, Penobscot River (depth 7 ft), Maine Current, knots
| 12 am |
| 0 |
| 1 am |
| -0.7 |
| 2 am |
| -1.9 |
| 3 am |
| -2.3 |
| 4 am |
| -1.8 |
| 5 am |
| -0.8 |
| 6 am |
| -0 |
| 7 am |
| 0.7 |
| 8 am |
| 1.6 |
| 9 am |
| 1.9 |
| 10 am |
| 1.4 |
| 11 am |
| 0.5 |
| 12 pm |
| 0.1 |
| 1 pm |
| -0.4 |
| 2 pm |
| -1.5 |
| 3 pm |
| -2.4 |
| 4 pm |
| -2.1 |
| 5 pm |
| -1.3 |
| 6 pm |
| -0.4 |
| 7 pm |
| 0.4 |
| 8 pm |
| 1.2 |
| 9 pm |
| 1.8 |
| 10 pm |
| 1.6 |
| 11 pm |
| 0.7 |
Area Discussion for Caribou, ME
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FXUS61 KCAR 101005 AFDCAR
Area Forecast Discussion National Weather Service Caribou ME Issued by National Weather Service Gray ME 605 AM EDT Sat Oct 10 2026
WHAT HAS CHANGED
Issued a frost advisory for tonight for downeast zones. Also added a little more wintry precipitation to northern zones for Tue/Tue night.
KEY MESSAGES
1) After a fair weather and breezy day today, frost is likely tonight. Warm temperatures and breezy winds Sunday before the next rain chances early next week.
DISCUSSION
KEY MESSAGE 1 DESCRIPTION...
High pressure builds over the region today and tonight before moving offshore Sunday. The remnants of Hurricane Isaias lift into the OH Valley on Sunday with moisture funneling up into southern areas late Sunday night into Monday morning.
Radiational cooling tonight will result in frost formation. The remaining zones still in season are the Midcoast zones and a frost advisory has been issued.
Breezy southwest winds will also funnel warm temperatures into the area Sunday into Monday. Highs will top out in the 60s both days, some 3-8 degrees above normal.
As the system moves off the southern New England coast, it could bring a chance of showers for the Downeast coast late Sunday night into Monday. Rain chances could decrease if the system stays further south, though there is still a good amount of uncertainty at this time. A separate low pressure develops over the Great Lakes Monday night as a trough deepens behind the departing tropical remnants. This will bring a chance of rain early-mid next week. Some wintry precipitation will be possible in the far north on Tuesday, but confidence is low.
AVIATION /10Z SATURDAY THROUGH WEDNESDAY/
Through today...VFR. West/northwest winds 10 to 15 kts, with gusts 20-25 kts in the afternoon. Brief 40 kt LLWS possible at northern terminals from KHUL north very early this morning, dissipating past sunrise.
Tonight...VFR. Light and variable winds.
Sunday and Sunday night...VFR. Winds from the south/southwest at 10-15 kts gusting up to 25 kts.
Monday and Monday night...VFR/MVFR for a chance of scattered showers throughout the day. Higher chances for rain for Downeast and northern terminals. WSW winds at 5-10 kts with gusts up to 20 kts. Winds shift to the north Monday afternoon, and east by Monday night.
Tuesday-Tuesday night.. MVFR/IFR for scattered showers across the area. SE/S winds at 5-10 gusting up to 20 kts.
Wednesday.. MVFR/VFR with possibly isolated to scattered showers. N winds 5-15kts.
MARINE
SCA level winds and seas go below small craft advisory levels this afternoon. Wind and seas could reach marginal small craft advisory conditions Sunday afternoon through early Monday.
Winds/seas will be below small craft levels Monday afternoon and night. Seas will reach small craft levels Tuesday through the middle of the week. Rain possible Monday and Tuesday.
CAR WATCHES/WARNINGS/ADVISORIES
ME...Frost Advisory from midnight tonight to 8 AM EDT Sunday for MEZ016-017-029-030.
MARINE...Small Craft Advisory until 2 PM EDT this afternoon for ANZ050- 051.
Area Forecast Discussion National Weather Service Caribou ME Issued by National Weather Service Gray ME 605 AM EDT Sat Oct 10 2026
WHAT HAS CHANGED
Issued a frost advisory for tonight for downeast zones. Also added a little more wintry precipitation to northern zones for Tue/Tue night.
KEY MESSAGES
1) After a fair weather and breezy day today, frost is likely tonight. Warm temperatures and breezy winds Sunday before the next rain chances early next week.
DISCUSSION
KEY MESSAGE 1 DESCRIPTION...
High pressure builds over the region today and tonight before moving offshore Sunday. The remnants of Hurricane Isaias lift into the OH Valley on Sunday with moisture funneling up into southern areas late Sunday night into Monday morning.
Radiational cooling tonight will result in frost formation. The remaining zones still in season are the Midcoast zones and a frost advisory has been issued.
Breezy southwest winds will also funnel warm temperatures into the area Sunday into Monday. Highs will top out in the 60s both days, some 3-8 degrees above normal.
As the system moves off the southern New England coast, it could bring a chance of showers for the Downeast coast late Sunday night into Monday. Rain chances could decrease if the system stays further south, though there is still a good amount of uncertainty at this time. A separate low pressure develops over the Great Lakes Monday night as a trough deepens behind the departing tropical remnants. This will bring a chance of rain early-mid next week. Some wintry precipitation will be possible in the far north on Tuesday, but confidence is low.
AVIATION /10Z SATURDAY THROUGH WEDNESDAY/
Through today...VFR. West/northwest winds 10 to 15 kts, with gusts 20-25 kts in the afternoon. Brief 40 kt LLWS possible at northern terminals from KHUL north very early this morning, dissipating past sunrise.
Tonight...VFR. Light and variable winds.
Sunday and Sunday night...VFR. Winds from the south/southwest at 10-15 kts gusting up to 25 kts.
Monday and Monday night...VFR/MVFR for a chance of scattered showers throughout the day. Higher chances for rain for Downeast and northern terminals. WSW winds at 5-10 kts with gusts up to 20 kts. Winds shift to the north Monday afternoon, and east by Monday night.
Tuesday-Tuesday night.. MVFR/IFR for scattered showers across the area. SE/S winds at 5-10 gusting up to 20 kts.
Wednesday.. MVFR/VFR with possibly isolated to scattered showers. N winds 5-15kts.
MARINE
SCA level winds and seas go below small craft advisory levels this afternoon. Wind and seas could reach marginal small craft advisory conditions Sunday afternoon through early Monday.
Winds/seas will be below small craft levels Monday afternoon and night. Seas will reach small craft levels Tuesday through the middle of the week. Rain possible Monday and Tuesday.
CAR WATCHES/WARNINGS/ADVISORIES
ME...Frost Advisory from midnight tonight to 8 AM EDT Sunday for MEZ016-017-029-030.
MARINE...Small Craft Advisory until 2 PM EDT this afternoon for ANZ050- 051.
| Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
| ATGM1 - 8413320 - Bar Harbor, ME | 38 mi | 45 min | WNW 7G | 44°F | 54°F | 30.24 | ||
| 44033 - Buoy F0103 - West Penobscot Bay | 41 mi | 45 min | W 12G | 47°F | ||||
| 44034 - Buoy I0103 - Eastern Maine Shelf | 54 mi | 45 min | 54°F |
Wind History for Bar Harbor, ME
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Airport Reports
Link to 5 hour of 5 minute data for KBGR
Terminal Aerodrome Forecast (TAF) for KBGR
Wind History Graph: BGR
(wind in knots)
GEOS Local Image of Northeast
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Portland, ME,
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