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Marine Weather and Tides
Version 3.4 |
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it. 8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue. 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 7:01AM | Sunset 4:49PM | Saturday January 23, 2021 3:30 AM EST (08:30 UTC) | Moonrise 1:28PM | Moonset 3:33AM | Illumination 75% | ![]() |
ANZ234 Buzzards Bay- 116 Am Est Sat Jan 23 2021
.gale warning in effect from 1 pm est this afternoon through Sunday afternoon...
Rest of tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft.
Sat..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Light freezing spray. A chance of flurries.
Sat night..NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 3 ft. Light freezing spray.
Sun..NW winds around 20 kt with gusts up to 35 kt. Seas 3 to 4 ft. Light freezing spray.
Sun night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
Mon..NW winds 10 to 15 kt. Seas around 2 ft.
Mon night..N winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of snow showers. Vsby 1 to 3 nm.
Tue..NE winds 10 to 15 kt. Seas around 2 ft. Patchy fog. A chance of snow showers. Vsby 1 to 3 nm.
Tue night through Wed night..N winds 10 to 15 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
.gale warning in effect from 1 pm est this afternoon through Sunday afternoon...
Rest of tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft.
Sat..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Light freezing spray. A chance of flurries.
Sat night..NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 3 ft. Light freezing spray.
Sun..NW winds around 20 kt with gusts up to 35 kt. Seas 3 to 4 ft. Light freezing spray.
Sun night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
Mon..NW winds 10 to 15 kt. Seas around 2 ft.
Mon night..N winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of snow showers. Vsby 1 to 3 nm.
Tue..NE winds 10 to 15 kt. Seas around 2 ft. Patchy fog. A chance of snow showers. Vsby 1 to 3 nm.
Tue night through Wed night..N winds 10 to 15 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
ANZ200 116 Am Est Sat Jan 23 2021
Synopsis for massachusetts and rhode island coastal waters.. Weak high pres early today gives way to a cold front which crosses the waters later tonight. High pres builds in from the great lakes for the weekend, settling over the waters by Mon. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo.
Synopsis for massachusetts and rhode island coastal waters.. Weak high pres early today gives way to a cold front which crosses the waters later tonight. High pres builds in from the great lakes for the weekend, settling over the waters by Mon. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo.
7 Day Forecast for Marine Location Near Marion Center, MA
Hourly EDIT Help
location: 41.7, -70.74 debug
Area Discussion for - Boston, MA
  (on/off)  Help NOTE: mouseover dotted underlined text for definitionFXUS61 KBOX 230721 AFDBOX
Area Forecast Discussion National Weather Service Boston/Norton MA 221 AM EST Sat Jan 23 2021
SYNOPSIS. A cold and blustery weekend with possible sub-zero wind chills by Sunday morning. Looking ahead to next week is a complicated forecast for Tuesday. Models remain in disagreement about a coastal low and the coverage of any snowfall. Then, drier and cooler weather Wednesday through the end of next week.
NEAR TERM /THROUGH TODAY/. The core of a high pressure remains to our west today. While this high should be close enough to keep our weather mainly dry, it will not be quite close enough to force winds to diminish. In fact, expecting the opposite effect where the modest cold air advection will increase the gradient wind across southern New England, especially this afternoon.
Temperatures will be below normal today, with most areas not getting out of the 20s.
Cannot rule out a few snow showers or flurries this morning, especially towards the east coast.
SHORT TERM /TONIGHT THROUGH 6 PM SUNDAY/. Not much change in conditions tonight into Sunday. Still gusty winds and turning sharply colder compared to what we have been most of this month. Minimum wind chill temperatures tonight below zero across most of southern New England. Not low enough where am thinking we would need a Wind Chill Advisory. Thinking we could see some isolated gusts up to Wind Advisory strength across the outer Cape tonight. Will let the next shift reevaluate.
LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. Highlights .
* Dry, breezy, and chilly weekend ahead - wind chill values in the single digits and teens Saturday afternoon.
* Potential coastal low could bring snow to southern New England Tuesday.
* Dry and cool stretch of weather for remainder of next week.
Sunday through Monday Night:
Dry, cold, and breezy describe how southern New England will wrap-up this coming weekend. While we aren't anticipating much "weather" this weekend - many are likely to strike up a conversation about the chilly conditions.
The weather this weekend is dominated by an area of high pressure - leading to mainly clear skies early Sunday and through Monday afternoon. Our location on the eastern side of the high will allow for a northerly wind. Plus there will be a sharp pressure gradient over southern New England - enhancing wind gust and wind chill value. Aloft, temperatures at 925mb are between -10C and -15C during the afternoon hours. That will yield afternoon temperatures in the 20s inland and near freezing at the coast. These temperatures aren't abnormally cold, as the average high this time of year are between the low and mid 30s. But, when factoring in a north wind, it will feel as if the temperatures were in the low single digits inland and the mid- teens at the coast. Gusts are generally 15 to 25 miles per hour away from the coast with the the strongest gusts of 25 to 35 miles per hour at the Cape and Islands.
As the high shifts east Sunday night into Monday we lose the tight pressure gradient and winds will diminish. After a cooler start in the low teens across the interior and the teens to low 20s for the coastal plain the afternoon temperatures will rebound to the low and mid 30s. With light wind there will be no wind chill as highs reach the low and mid 30s. Clouds will filter back in the second half of Monday afternoon as a coastal storm approaches from the south.
Tuesday into Tuesday Night:
Models are in good agreement a low will develop across the Ohio Valley Monday afternoon/evening before moving to the east northeast. The biggest question remains how far north will the system track. Models show a secondary low will develop off the coast of the Mid Atlantic, but with a 1040 high over eastern Canada, it becomes difficult for low to to make a north run.
As of the 12z guidance the Canadian is "your friend" that is, if you are a snow lover! The model shows a widespread light snowfall event across off of Massachusetts, Connecticut, and Rhode Island. Do not get your hopes too high as the GFS/ECMWF are keeping the bulk to the south, but the precipitation shield does extend into southern areas of Connecticut and Rhode Island. The models are in some agreement in terms of the timing Tuesday morning through Tuesday evening - a fairly progressive system.
Wednesday through Friday:
To wrap up the long term fairly quiet weather returns as high pressure returns to southern New England - starting Tuesday night through Friday. The only outlier happens to be the Canadian which shows an additional coastal low pressure system with wintry weather for Thursday afternoon and night. Otherwise, temperatures for the rest of the week remains near or slightly below average for late January.
AVIATION /07Z SATURDAY THROUGH WEDNESDAY/. Forecaster Confidence Levels.
Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.
Today through Sunday: High confidence.
Mainly VFR, except for isolated MVFR during periods of snow this morning. Strong gusty NW winds developing today, and lingering through Sunday.
KBOS TAF . High confidence in TAF.
KBDL TAF . High confidence in TAF.
Outlook /Sunday Night through Wednesday/ .
Sunday Night: VFR. Strong winds with local gusts up to 40 kt.
Monday: VFR. Breezy.
Monday Night: Mainly VFR, with local IFR possible. Chance SN.
Tuesday: MVFR/IFR conditions possible. Breezy. Chance SN.
MARINE. Gusty west to northwest winds develop across the waters and linger through Sunday. Gale Warnings remain in effect through Sunday evening. The air will be cold enough where there is a concern for freezing spray across most of the coastal waters into Sunday. Still thinking about the need for Freezing Spray Advisories for the eastern coastal waters tonight due to the possibility of moderate freezing spray. Threat of freezing spray diminishes some during the day Sunday.
Outlook /Sunday Night through Wednesday/ .
Sunday Night: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Areas of rough seas. Freezing spray.
Monday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Monday Night: Winds less than 25 kt. Seas locally approaching 5 ft. Chance of snow. Areas of visibility 1 to 3 nm.
Tuesday: Winds less than 25 kt. Seas up to 5 ft. Chance of snow. Visibility 1 to 3 nm.
BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Gale Warning from 1 PM this afternoon to 6 PM EST Sunday for ANZ230>237-250-251-254>256.
SYNOPSIS . Belk/Gaucher NEAR TERM . Belk SHORT TERM . Belk LONG TERM . Gaucher AVIATION . Belk/Gaucher MARINE . Belk/Gaucher
Weather Reporting Stations
EDIT (on/off)  Help NOTE: Click on distance to see the station location on a mapStations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
BZBM3 - 8447930 - Woods Hole, MA | 13 mi | 43 min | 35°F | 39°F | 1009.5 hPa | |||
WAXM3 - Waquoit Bay Reserve, MA | 14 mi | 106 min | W 5.1 | 44°F | 1009 hPa | 36°F | ||
FRVM3 - 8447386 - Fall River, MA | 22 mi | 43 min | 33°F | 44°F | 1010.7 hPa | |||
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA | 23 mi | 43 min | WNW 12 G 15 | 33°F | 1010.3 hPa | |||
FRXM3 | 23 mi | 43 min | 34°F | 22°F | ||||
44090 | 24 mi | 35 min | 41°F | 3 ft | ||||
BUZM3 - Buzzards Bay, MA | 26 mi | 31 min | NW 18 G 21 | 1010.9 hPa (+1.0) | ||||
44020 - NANTUCKET SOUND | 28 mi | 31 min | WNW 18 G 21 | 39°F | ||||
PRUR1 | 31 mi | 43 min | 33°F | 18°F | ||||
CPTR1 - 8452944 - Conimicut Light, RI | 32 mi | 43 min | WSW 11 G 14 | 32°F | 42°F | 1010 hPa | ||
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI | 32 mi | 43 min | NW 5.1 G 6 | 32°F | 1011.1 hPa | |||
NAXR1 - Narragansett Bay Reserve, RI | 32 mi | 106 min | NW 7 | 33°F | 1010 hPa | 20°F | ||
NWPR1 - 8452660 - Newport, RI | 34 mi | 43 min | WNW 9.9 G 18 | 34°F | 40°F | 1010.3 hPa | ||
PVDR1 | 35 mi | 43 min | WNW 8.9 G 11 | 32°F | 1010.6 hPa | 18°F | ||
QPTR1 - 8454049 - Quonset Point, RI | 36 mi | 43 min | NW 6 G 9.9 | 33°F | 41°F | 1010.6 hPa | ||
FOXR1 - 8454000 - Providence, RI | 36 mi | 43 min | NW 8.9 G 13 | 32°F | 41°F | 1010.5 hPa | ||
CHTM3 | 42 mi | 43 min | NW 4.1 G 11 | 34°F | 39°F | 1008.3 hPa | ||
NTKM3 - 8449130 - Nantucket Island, MA | 45 mi | 43 min | NW 12 G 19 | 35°F | 38°F | 1009.2 hPa | ||
44013 - BOSTON 16 NM East of Boston, MA | 45 mi | 31 min | W 18 G 23 | 35°F | 43°F | 1009.4 hPa (+0.9) | 25°F | |
44018 - SE Cape Cod 30NM East of Nantucket, MA | 47 mi | 31 min | WNW 19 G 23 | 37°F | 43°F | 1007.5 hPa (+0.9) | 26°F | |
BHBM3 - 8443970 - Boston, MA | 48 mi | 49 min | 33°F | 40°F | 1008.4 hPa |
Wind History for Borden Flats Light at Fall River, MA
(wind in knots) EDIT (on/off)  Help4 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 | 12 AM | 1 AM | 2 AM | 3 AM | |
Last 24hr | -- | SE | SW | W | SW | SW | W | W G14 | W G17 | W G13 | NW | NW | NW | NW G17 | W | W | W | W | W G13 | W | NW G12 | W G12 | W G14 | NW |
1 day ago | NW | NW | NW | W | S | S | S | S G11 | SW G17 | SW | SW | SW | SW | SW | W G16 | W | W | SW | W | SW | S | SW | S | SW |
2 days ago | W G11 | W | SW | W | SW G16 | W | NW | NW G13 | N G11 | N G11 | NW G12 | NW G21 | NW G12 | NW G15 | NW G17 | NW G13 | NW | NW G16 | NW G13 | NW G19 | W G17 | W | NW G12 |
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 |
New Bedford, New Bedford Regional Airport, MA | 12 mi | 38 min | W 12 | 10.00 mi | Overcast | 33°F | 21°F | 61% | 1009.7 hPa |
Otis Air National Guard Base, MA | 12 mi | 46 min | NW 10 | 10.00 mi | Fair | 30°F | 21°F | 69% | 1008.8 hPa |
Plymouth, Plymouth Municipal Airport, MA | 15 mi | 39 min | W 7 | 10.00 mi | Mostly Cloudy | 30°F | 21°F | 69% | 1009.2 hPa |
Taunton, Taunton Municipal Airport, MA | 20 mi | 39 min | Var 5 | 10.00 mi | Overcast | 33°F | 20°F | 58% | 1009.6 hPa |
Marthas Vineyard Airport, MA | 21 mi | 3.6 hrs | WNW 9 | 10.00 mi | Fair | 35°F | 26°F | 70% | 1008.7 hPa |
Hyannis, Barnstable Municipal-Boardman Airport, MA | 24 mi | 35 min | WNW 8 | 10.00 mi | Mostly Cloudy | 33°F | 21°F | 61% | 1008.4 hPa |
Link to 5 minute data for KFMH
Wind History from FMH (wind in knots)
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 | 12 AM | 1 AM | 2 AM | 3 AM | |
Last 24hr | Calm | Calm | NW | NW | NW | NW | NW | NW | W | W | W | W | W | NW | W | NW | NW | NW | NW | NW | NW | NW | ||
1 day ago | NW | Calm | W | Calm | Calm | SW | SW | SW | SW G18 | SW G18 | SW | SW | SW | W | W | W | NW | NW | Calm | Calm | Calm | Calm | Calm | Calm |
2 days ago | W | W | SW | Calm | Calm | Calm | NW | NW | NW | NW | NW | NW | NW | N | NW G17 | NW G23 | NW G13 | NW | NW | NW | NW | NW G18 |
Tide / Current Tables for Great Hill, Buzzards Bay, Massachusetts
EDIT Weekend mode (on/off) (on/off)  Help One Week of DataGreat Hill
Click for Map
Sat -- 02:32 AM EST Moonset
Sat -- 03:39 AM EST 3.56 feet High Tide
Sat -- 07:02 AM EST Sunrise
Sat -- 09:30 AM EST 0.90 feet Low Tide
Sat -- 12:27 PM EST Moonrise
Sat -- 04:01 PM EST 2.98 feet High Tide
Sat -- 04:47 PM EST Sunset
Sat -- 09:12 PM EST 0.57 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 02:32 AM EST Moonset
Sat -- 03:39 AM EST 3.56 feet High Tide
Sat -- 07:02 AM EST Sunrise
Sat -- 09:30 AM EST 0.90 feet Low Tide
Sat -- 12:27 PM EST Moonrise
Sat -- 04:01 PM EST 2.98 feet High Tide
Sat -- 04:47 PM EST Sunset
Sat -- 09:12 PM EST 0.57 feet Low 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 |
1.7 | 2.3 | 3 | 3.5 | 3.5 | 3.1 | 2.4 | 1.6 | 1.1 | 0.9 | 0.9 | 1 | 1.2 | 1.6 | 2.2 | 2.7 | 3 | 2.7 | 2.1 | 1.4 | 0.8 | 0.6 | 0.6 | 0.9 |
Tide / Current Tables for Cape Cod Canal, Massachusetts Current
EDIT (on/off)  Help One Week of DataCape Cod Canal
Click for Map
Sat -- 01:50 AM EST 3.41 knots Max Flood
Sat -- 02:32 AM EST Moonset
Sat -- 05:16 AM EST -0.03 knots Slack
Sat -- 07:02 AM EST Sunrise
Sat -- 08:05 AM EST -3.77 knots Max Ebb
Sat -- 11:20 AM EST 0.16 knots Slack
Sat -- 12:27 PM EST Moonrise
Sat -- 02:28 PM EST 3.44 knots Max Flood
Sat -- 04:46 PM EST Sunset
Sat -- 05:54 PM EST -0.01 knots Slack
Sat -- 08:34 PM EST -3.62 knots Max Ebb
Sat -- 11:42 PM EST 0.16 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 01:50 AM EST 3.41 knots Max Flood
Sat -- 02:32 AM EST Moonset
Sat -- 05:16 AM EST -0.03 knots Slack
Sat -- 07:02 AM EST Sunrise
Sat -- 08:05 AM EST -3.77 knots Max Ebb
Sat -- 11:20 AM EST 0.16 knots Slack
Sat -- 12:27 PM EST Moonrise
Sat -- 02:28 PM EST 3.44 knots Max Flood
Sat -- 04:46 PM EST Sunset
Sat -- 05:54 PM EST -0.01 knots Slack
Sat -- 08:34 PM EST -3.62 knots Max Ebb
Sat -- 11:42 PM EST 0.16 knots Slack
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 |
2.7 | 3.3 | 3.4 | 3.2 | 2.7 | 1.4 | -2.3 | -3.4 | -3.8 | -3.5 | -2.8 | -1.5 | 2 | 3 | 3.4 | 3.4 | 3.1 | 2.4 | -0.8 | -2.8 | -3.5 | -3.6 | -3.1 | -2.1 |
Weather Map
(on/off)  Help Weather Map
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
Ground Weather Radar Station
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