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Marine Weather and Tides
Version 3.4 |
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17. 1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support. |
| Sunrise 5:36AM | Sunset 7:30PM | Thursday April 22, 2021 10:22 PM EDT (02:22 UTC) | Moonrise 1:57PM | Moonset 3:48AM | Illumination 85% |  |
ANZ151 Penobscot Bay- 837 Pm Edt Thu Apr 22 2021
.gale warning in effect through Friday morning...
Tonight..W winds 20 to 25 kt. Gusts up to 35 kt, increasing to 40 kt late. Seas 3 to 5 ft. A slight chance of rain and snow showers this evening with vsby 1 to 3 nm.
Fri..W winds 20 to 25 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft.
Fri night..W winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sat..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Sat night..SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft.
Sun..SE winds 5 to 10 kt. Seas around 2 ft. A chance of rain in the morning, then rain likely in the afternoon.
Sun night..E winds around 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely in the evening, then showers likely after midnight.
Mon..NW winds around 15 kt. Seas 3 to 5 ft. A chance of showers.
Mon night..NW winds 10 to 15 kt. Seas 3 to 5 ft.
Tue..NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft.
Tue night..W winds 5 to 10 kt. Seas 2 to 3 ft.
.gale warning in effect through Friday morning...
Tonight..W winds 20 to 25 kt. Gusts up to 35 kt, increasing to 40 kt late. Seas 3 to 5 ft. A slight chance of rain and snow showers this evening with vsby 1 to 3 nm.
Fri..W winds 20 to 25 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to 5 ft.
Fri night..W winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sat..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Sat night..SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft.
Sun..SE winds 5 to 10 kt. Seas around 2 ft. A chance of rain in the morning, then rain likely in the afternoon.
Sun night..E winds around 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely in the evening, then showers likely after midnight.
Mon..NW winds around 15 kt. Seas 3 to 5 ft. A chance of showers.
Mon night..NW winds 10 to 15 kt. Seas 3 to 5 ft.
Tue..NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft.
Tue night..W winds 5 to 10 kt. Seas 2 to 3 ft.
ANZ100 837 Pm Edt Thu Apr 22 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure continues to churn over the canadian maritimes, producing a westerly gale over the waters into Friday. These winds will ease Friday night and Saturday. Low pressure moves into the outer gulf of maine Sunday and Monday with another round of rain likely followed by gusty northwest winds Sunday night and Monday.
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure continues to churn over the canadian maritimes, producing a westerly gale over the waters into Friday. These winds will ease Friday night and Saturday. Low pressure moves into the outer gulf of maine Sunday and Monday with another round of rain likely followed by gusty northwest winds Sunday night and Monday.
7 Day Forecast for Marine Location Near Belfast, ME
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location: 44.42, -69.01 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS61 KGYX 230037 AFDGYX
Area Forecast Discussion National Weather Service Gray ME 837 PM EDT Thu Apr 22 2021
SYNOPSIS. Low pressure over the Canadian Maritimes will continue a cool and breezy weather pattern into Friday. High pressure will briefly build over the area Friday Night and Saturday resulting in less wind and milder temperatures. Low pressure will return the likelihood of rain over the area on Sunday. After a brisk a cool Monday there are signs of a warmup arriving for the middle and end of next week.
NEAR TERM /THROUGH TONIGHT/. 830 PM Update . Adjusted temperatures through tonight according to latest observations, hugging a little closer to raw hires guidance as temperatures remain near 40 in southeast zones and crash into the 20s over the higher terrain with cooler air spilling in from the north in the well- mixed atmosphere. Gusts are starting to weaken and become less frequent, but the westerly breeze will persist through tonight with occasional gusts around 20 kts or so. Took town Casco Bay's gale warning and replaced with a SCA with this logic.
500 PM Update . Made a few minor adjustments to temperature trends through the evening with temperatures in portions of the southern interior in the low- 40s with strong mixing late this afternoon. Adjusted PoP to prolong autoconvective shower chances by another hour or so. Also made some changes to winds and wind gusts through tomorrow . generally brought up wind gusts by a couple knots through the period with BUFKIT soundings showing winds of around 35 kts at the top of the mixed layer ~h800 tomorrow. Tomorrow should see less cloud cover and stronger mixing, so a greater portion of these winds should reach the surface . and starting early in the day, by about 14-15Z or so.
Previously . Impacts . No significant impacts anticipated.
Scattered rain and snow showers continue to stream from west to east across the region at this hour. Other than some brief bursts of heavier and steadier snow earlier this afternoon, mostly in northern zones, this activity is expected to diminish as we head into the evening with little in the way of impacts going forward.
Low pressure will continue to slowly drift north toward the Gulf of St Lawrence tonight. deepening as it does so and leaving us in a region of increased pressure gradient on the southern side of its circulation. The increased PGF will allow the gusty westerly winds to continue through the night, though they will be diminished from what was seen today. Skies will also become mostly clear, at least over southern and coastal areas . while the rest of the region remains partly cloudy. Snow showers in the mountains will continue through midnight but are expected to decrease in coverage and dissipate by sunrise Friday morning. Lows will be rather chilly for late April . dropping into the lower to mid 20s in the mountains and below freezing everywhere else with the notable possible exception of some southeast NH and extreme southwestern ME locations.
SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/. Impacts . Elevated to near critical fire weather conditions expected for southern portions of NH and southwestern ME with gusty westerly winds continuing and with dry air in place the region. See the Fire Weather section below for more information.
As far as sensible weather goes . there will not be much on Friday. Mostly sunny skies are expected across the region, even in the mountains, and high temperatures will be some 10-15 degrees warmer than Thursday under the widespread sunshine. Gusty westerly winds will continue, however, even as we see the pressure gradient begin to wane over the region; gusts to 30-35 mph will still be possible, primarily through the early afternoon before the gradient diminishes further. High pressure then builds toward New England from the south Friday night, allowing the winds to finally subside and keeping the region dry; lows will range from the lower 30s in the mountains to near 40 in southern and coastal locations.
LONG TERM /SATURDAY THROUGH THURSDAY/. High pressure off the Mid Atlantic Coast will briefly ridge north Saturday to allow for a relatively mild and dry day with less wind. It does look like the west southwest gradient on the north side of the high may be strong enough to offset a sea breeze. Expect sunny skies with some afternoon upper level clouds arriving during the afternoon especially over NH. Those clouds will be streaming toward the region ahead of the next rain producer. Low pressure moving NE out of the Tennessee Valley will move to the Mid Atlantic Coast Saturday Night. Clouds will continue to overspread the region overnight Saturday. Compared to yesterday, models have come into better agreement on the evolution of this system. Instead of a single strong low in the Gulf of Maine on Sunday, they now keep a double low structure with a northern low in Southern Quebec and a coastal low tracking just east of the Gulf of Maine. This change would reduce the wind threat ahead of the system and also rain amounts. The transition to a single low now does not occur until the low is over the Maritimes. As a result would expect a period of rain to cross the region from west to east on Sunday . tapering to showers. Behind the low as it strengthens Sunday Night into Monday winds will pick up and some wrap around showers are possible with snow showers possible over the higher terrain.
By Monday Afternoon dryer air starts to arrive as high pressure to our south strengthens. This high will play a big part of our weather for much of the remainder of next week as the southwest flow around it as well as low pressure to our west draw up increasingly mild temperatures with mostly dry conditions.
Initialized with the NBM. Did slightly up pops on the backside of the Sunday low pressure system resulting in higher pops Sunday Night into Monday. Lowered NBM pops Wed-Thu timeframe south of the mountains as area will be will into the warm sector.
AVIATION /01Z FRIDAY THROUGH TUESDAY/. Short Term . Primary story in the short term is the continued gusty westerly winds. Cannot completely rule out a brief rain/snow shower at any terminal through this evening . but confidence is low for seeing one at any specific terminal. VFR conditions otherwise prevail from tonight through Friday night, with those gusty westerly winds continuing into Friday before diminishing heading into Friday evening.
Long Term . VFR Saturday. Widespread IFR with possible LIFR conditions Sunday as rain develops. MVFR south of the mountains on Monday. VFR Tuesday.
MARINE. Short Term . Gale warning continues for all zones through late Friday morning. While the bays look to remain well below 5 ft, the outer waters will see seas in the 5-9ft range through early Friday morning before subsiding. SCA conditions likely to continue over the outer waters into Friday evening.
Long Term . Wind and waves below SCA Saturday and Sunday . wind and waves build to SCA levels Sunday Night through Monday night. Conditions below SCA levels Tuesday.
FIRE WEATHER. Gusty westerly winds will continue on Friday as a dry air mass settles into the region. Relative humidities drop into the 25-30% range Friday afternoon for much of southern NH and portions of southwestern ME, and combined with the gusty westerly winds, will allow for elevated fire weather conditions for those areas Friday afternoon. Elevated fire weather conditions are possible for the same areas are expected Saturday afternoon.
GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory until 6 PM EDT Friday for ANZ153. Gale Warning until 11 AM EDT Friday for ANZ150>152-154.
NEAR TERM . Casey/Watson SHORT TERM . Watson LONG TERM . Lulofs
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 44033 - Buoy F0103 - West Penobscot Bay | 25 mi | 79 min | W 19 G 27 | 37°F | 2 ft | 1002.1 hPa | ||
| ATGM1 - 8413320 - Bar Harbor, ME | 43 mi | 53 min | WNW 12 G 19 | 34°F | 43°F | 1000.6 hPa |
Wind History for Bar Harbor, ME
(wind in knots) EDIT (on/off) Help| 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | |
| Last 24hr | SW G13 | SW G17 | W G8 | W G9 | NW | NW | NW G20 | NW G16 | NW G21 | NW G22 | NW G22 | NW G26 | NW G22 | NW G23 | W G24 | NW G19 | NW G28 | W G23 | NW G29 | NW G20 | NW G25 | NW G19 | NW G18 | NW G19 |
| 1 day ago | N | S | W | E | NW | W | -- | S | SE | S G9 | SE | E G14 | SE G10 | SW G16 | SW G17 | S G22 | SW G28 | SW G23 | SW G18 | SW G22 | SW G25 | S G22 | S G20 | SW G15 |
| 2 days ago | W G14 | W G13 | W G13 | W G13 | NE | NW | NW | NW | NW | SE | SE | S G13 | W G11 | S G11 | SW G13 | W G16 | W G19 | W G17 | W G16 | W G14 | W G13 | W G13 | W G11 | NW |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Rockland, Knox County Regional Airport, ME | 24 mi | 27 min | W 14 | 10.00 mi | Overcast | 35°F | 20°F | 54% | 1002.8 hPa |
Link to 5 minute data for KRKD
Wind History from RKD (wind in knots)
| 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | |
| Last 24hr | SW | NW | NW G14 | NW G16 | NW G19 | NW G15 | W G16 | W G19 | W | W G25 | W G30 | W G33 | W G27 | W G24 | W G26 | W G32 | W G31 | W G30 | W G30 | W G27 | W G20 | W G20 | W G19 | W |
| 1 day ago | Calm | S | N | W | Calm | Calm | NE | Calm | NE | E | E | S | S G17 | S G15 | S | S G19 | S G17 | S G17 | S G22 | SW G17 | S | S | S G14 | SW |
| 2 days ago | W | Calm | Calm | Calm | W | W | W | Calm | Calm | Calm | SW | S | S | S | S | SW | S | SW | SW | SW | SW | W | W G20 | W |
Tide / Current Tables for Belfast, Penobscot River, Maine
EDIT Weekend mode (on/off) (on/off) Help One Week of DataBelfast
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Thu -- 12:57 AM EDT 1.91 feet Low Tide
Thu -- 03:47 AM EDT Moonset
Thu -- 05:40 AM EDT Sunrise
Thu -- 07:11 AM EDT 10.02 feet High Tide
Thu -- 01:38 PM EDT 0.89 feet Low Tide
Thu -- 01:57 PM EDT Moonrise
Thu -- 07:29 PM EDT Sunset
Thu -- 07:56 PM EDT 9.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 12:57 AM EDT 1.91 feet Low Tide
Thu -- 03:47 AM EDT Moonset
Thu -- 05:40 AM EDT Sunrise
Thu -- 07:11 AM EDT 10.02 feet High Tide
Thu -- 01:38 PM EDT 0.89 feet Low Tide
Thu -- 01:57 PM EDT Moonrise
Thu -- 07:29 PM EDT Sunset
Thu -- 07:56 PM EDT 9.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 2.4 | 1.9 | 2.4 | 3.7 | 5.6 | 7.7 | 9.3 | 10 | 9.7 | 8.5 | 6.6 | 4.3 | 2.3 | 1.1 | 1 | 1.8 | 3.5 | 5.7 | 7.8 | 9.1 | 9.6 | 9 | 7.6 | 5.5 |
Tide / Current Tables for Castine, Penobscot Bay, Maine
EDIT (on/off) Help One Week of DataCastine
Click for Map
Thu -- 12:59 AM EDT 1.94 feet Low Tide
Thu -- 03:46 AM EDT Moonset
Thu -- 05:39 AM EDT Sunrise
Thu -- 07:14 AM EDT 9.93 feet High Tide
Thu -- 01:39 PM EDT 0.91 feet Low Tide
Thu -- 01:56 PM EDT Moonrise
Thu -- 07:28 PM EDT Sunset
Thu -- 07:59 PM EDT 9.49 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 12:59 AM EDT 1.94 feet Low Tide
Thu -- 03:46 AM EDT Moonset
Thu -- 05:39 AM EDT Sunrise
Thu -- 07:14 AM EDT 9.93 feet High Tide
Thu -- 01:39 PM EDT 0.91 feet Low Tide
Thu -- 01:56 PM EDT Moonrise
Thu -- 07:28 PM EDT Sunset
Thu -- 07:59 PM EDT 9.49 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 2.4 | 1.9 | 2.4 | 3.7 | 5.6 | 7.6 | 9.2 | 9.9 | 9.7 | 8.5 | 6.6 | 4.3 | 2.3 | 1.1 | 1 | 1.8 | 3.4 | 5.6 | 7.6 | 9 | 9.5 | 9 | 7.6 | 5.6 |
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