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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 7:05AM | Sunset 4:42PM | Sunday January 17, 2021 1:14 AM EST (06:14 UTC) | Moonrise 11:02AM | Moonset 10:32PM | Illumination 15% |  |
ANZ235 Rhode Island Sound- 1016 Pm Est Sat Jan 16 2021
.gale warning in effect through Sunday evening...
Overnight..W winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt. Seas 7 to 9 ft.
Sun..W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft.
Sun night..W winds 20 to 25 kt. Gusts up to 40 kt, decreasing to 30 kt after midnight. Seas 6 to 9 ft.
Mon..W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft.
Mon night through Tue night..W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Wed and Wed night..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Thu..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow showers.
Thu night..W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. 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 through Sunday evening...
Overnight..W winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt. Seas 7 to 9 ft.
Sun..W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft.
Sun night..W winds 20 to 25 kt. Gusts up to 40 kt, decreasing to 30 kt after midnight. Seas 6 to 9 ft.
Mon..W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft.
Mon night through Tue night..W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Wed and Wed night..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Thu..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow showers.
Thu night..W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. 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 1016 Pm Est Sat Jan 16 2021
Synopsis for massachusetts and rhode island coastal waters.. A strong area of low pressure departs from southern new england overnight Saturday. A cold front will cross the waters Sunday morning. High pressure builds across the waters for Monday into Tuesday. Another areas of low pressure moves over the waters Wednesday into Thursday. 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.. A strong area of low pressure departs from southern new england overnight Saturday. A cold front will cross the waters Sunday morning. High pressure builds across the waters for Monday into Tuesday. Another areas of low pressure moves over the waters Wednesday into Thursday. 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 Bliss Corner, MA
Hourly EDIT Help
location: 41.46, -71.02 debug
Area Discussion for - Boston, MA
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS61 KBOX 170313 AFDBOX
Area Forecast Discussion National Weather Service Boston/Norton MA 1013 PM EST Sat Jan 16 2021
SYNOPSIS. Low pressure in northern New England will lift into Quebec bringing dry & blustery weather tonight and Sunday. More seasonable temperatures arrive for much of the next work week. Several opportunities for light snow showers especially across the higher elevation of the interior. Snow showers may be a bit more widespread Thursday into Friday.
NEAR TERM /THROUGH SUNDAY/.
10 PM Update .
Scattered snow showers and flurries moving across western- central MA including Worcester county. This is in response to trailing short wave rotating thru the mid/upper trough. Some elevated instability with this feature, -35C air at 500 mb over NJ advecting northward, yielding 2-6 km lapse rates from 7 to 8C/KM. Behind this short wave, drier air aloft will overspread the region after midnight and any snow showers/flurries will lift into Northern New England. Otherwise previous forecast remains on track.
310 PM Update .
The low pressure system that brought us the earlier heavy rain, coastal wind and even heavy wet snow in the high terrain of far northwest MA has lifted into northern New England. There were just a few left over showers across northeast MA with the surface trough, but these should be exiting the region shortly.
Low pressure will continue to move north and into northern Main tonight. Southwesterly flow on the backside of this system will result in mainly dry weather tonight. The exception to this should be in far western MA . mainly the east slopes of the Berkshires where scattered snow showers are anticipated at times. This a result of upper level energy combined with leftover Lake Effect moisture. This may result in an inch or two of snow in far northwest MA. We will continue a dry forecast elsewhere, although a brief spot rain or snow shower can not be ruled out it is not worth including in the forecast.
Southwest winds will become blustery late tonight across portions of the high terrain/coastal locations. This a result of intensifying low pressure across northern New England. Low temps will become cooler, but only bottom out in the upper 20s to middle 30s by daybreak. These readings will still be about 10 to 15 degrees above normal.
SHORT TERM /SUNDAY NIGHT THROUGH 6 PM SUNDAY/. Sunday .
Low pressure will continue to intensify as it moves north into Quebec and should drop to around 975 mb on Sunday. This increased pressure gradient coupled with diurnal mixing should result in a rather windy day. Overall, expect westerly wind gusts of 25 to 40 mph to develop. However, we may be flirting with wind advisory criteria across the Cape/Islands. Given it is marginal will defer to the next shift.
Mainly dry weather should prevail, but a few snow showers will be possible mainly in the distant interior /east slopes of the Berks/ as a result of some remnant Lake Effect moisture on westerly flow.
The airmass behind this system is not too cold for January standards. So with a mixture of clouds and sunshine, expect Sunday afternoon high temperatures to range from the upper 30s in the highest terrain to the lower to middle 40s elsewhere. It will feel colder given the windy conditions, but it is January after all.
LONG TERM /SUNDAY NIGHT THROUGH SATURDAY/. Highlights
* Unsettled with several opportunities for snow showers - Monday, and Wednesday through Friday.
* Above normal temperatures on Monday. Temperatures will be more seasonable for the rest of week.
Progressive pattern through the extended with several opportunities for snow showers especially across the higher elevations of the interior.
Sunday night through Monday .
Ridge axis over the Mid Atlantic on Sunday night will flatten out and build into Nova Scotia by late Monday. A neutrally tilted trough will lift from the TN/OH Valley into the Mid Atlantic by Monday morning and through southern New England during the day. At the surface a prefrontal trough slides through Sunday night into early Monday, and a cold front moves through on Monday.
Have increased precipitation chances Sunday night through Monday. The combination of low to mid level moisture, the trough moving in and the surface forcing should allow for isolated to scattered snow shower activity. The best chance for snowfall will be across the higher elevations of western MA and CT. Could even see some flakes across central MA/RI, but have more confidence across the west. For now have slight chance to chance where confidence is highest and borderline slight chance elsewhere. May need to see central MA and RI precip chances increase in future updates.
Will have W to WNW 0 to -5 degree Celsius cold air advection at 925 hPa Sunday night through Monday. Despite this will have above normal temperatures for this time of year. Low temperatures for Sunday night into Monday will be in the 20s across the higher elevation to the 30s elsewhere. Should see a bit of downsloping due to the westerly flow on Monday. The higher elevations will see highs in the 30s. Elsewhere readings will be in the low to mid 40s.
Monday night through Tuesday .
Trough just east of the region will lift through Nova Scotia Monday night. Ridge axis will build from the eastern Great Lakes into the Gulf of Maine and flatten out by Tuesday morning. A shortwave trough will lift from the western Great Lakes early on Tuesday into the eastern Great Lakes.
Generally expecting dry and quiet weather through this period as a weak high builds in. Cloud cover will increase later on Tuesday as a broad low lifts across the Great Lakes - cannot completely rule out a snow shower across the eastern slopes of the Berkshires by late in the day.
Will be chilly in comparison to the past couple of days, but really temperatures will be trending toward seasonable readings. Expect W to NW cold air advection to advect in -4 to -7 degree Celsius 925 hPa air. Low temperatures for Monday night into Tuesday will generally be in the 20s. Highs on Tuesday will be in the 30s.
Tuesday night through Friday .
Progressive pattern continues with the shortwave trough sliding through Tuesday night through Wednesday. Ridge axis builds in for Wednesday night into Thursday. Another shortwave swings through on Thursday and Friday.
Have slight chance to chances of precipitation as the shortwaves move through. Given there are time and intensity differences of the waves moving through during this timeframe, have gone with the NBM guidance. Still appears that the best chance of snowfall will be across the higher elevation, but precipitation may be a bit more widespread on Thursday into Friday as a secondary low may develop nearby/over the region. Still too early for the specifics given the differences amongst guidance this far out.
Temperatures will be near normal for this time of year during this period with highs in the 20s and 30s, but could moderate into the low 40s along the south coast by Friday. Will be quite chilly Wednesday night into Thursday as high pressure briefly builds in. Readings range from the single digits across the higher elevations to the teens and low 20s elsewhere.
AVIATION /03Z SUNDAY THROUGH THURSDAY/. Forecaster Confidence Levels.
Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.
03z update . no change to previous TAFs.
===================================================================
Through 12Z . High confidence
Mixture of MVFR and VFR to start, but should see improvement to VFR from southwest to northeast as drier air works its way in. WSW winds of 10 to 15 knots increasing across the high terrain, Cape and Islands to between 15 and 25 knots after midnight with gusts of 25 to 30 knots. Dry weather other than a few snow showers mainly along the eastern slopes of the Berkshires.
Sunday . High confidence
Anticipate VFR conditions, but should see some MVFR across the higher terrain of MA with ceilings around 1.5-3 kft. Lowest ceilings are most likely over the eastern slopes of the Berkshires. Gusty WSW winds with speeds of 10 to 20 kts and gusts of 25 to 35 knots across most of the region, but on the order of 35 to 40 knots possible for the Cape/Islands. Still may have a few a few snow showers across the interior mainly along the east slopes of the Berkshires.
Sunday Night . High confidence
Generally expecting MVFR conditions, but may see MVFR with localized IFR across the eastern slopes of the Berkshires. Gusty WSW winds to start, but winds diminishing as the night progresses.
KBOS TAF . High confidence in TAF.
KBDL TAF . High confidence in TAF.
Outlook /Sunday Night through Thursday/ .
Martin Luther King Jr Day: Mainly VFR, with local MVFR possible. Breezy.
Monday Night through Wednesday: VFR. Breezy.
MARINE. Tonight and Sunday . High Confidence.
There will continue to be a temporary lull in the winds through the first half of the evening. However, intensifying low pressure lifting across northern New England and into Quebec will result in WSW 30 to 40 knot wind gusts developing. Gale Warnings are in effect for all waters late tonight and Sunday. Seas over the open waters will remain quite high.
Outlook /Sunday Night through Thursday/ .
Sunday: Moderate risk for gale force winds with gusts up to 40 kt. Rough seas up to 13 ft.
Sunday Night: Low risk for gale force winds with gusts up to 40 kt. Rough seas up to 13 ft.
Martin Luther King Jr Day through Monday Night: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Areas of rough seas.
Tuesday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Local rough seas.
Tuesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Local rough seas. Slight chance of snow showers.
Wednesday: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Areas of rough seas. Slight chance of snow showers.
BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Gale Warning until 10 PM EST Sunday for ANZ231>235-237-250-251- 254>256. Gale Warning from 8 AM to 6 PM EST Sunday for ANZ230-236.
SYNOPSIS . Frank/BL NEAR TERM . Frank/Nocera/BL SHORT TERM . Frank LONG TERM . BL AVIATION . Nocera/BL MARINE . Frank/BL
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 |
| BUZM3 - Buzzards Bay, MA | 4 mi | 75 min | W 24 G 27 | 993.3 hPa (+0.5) | ||||
| NWPR1 - 8452660 - Newport, RI | 17 mi | 75 min | W 13 G 18 | 38°F | 44°F | 992.4 hPa (+0.3) | ||
| PRUR1 | 18 mi | 75 min | 38°F | 31°F | ||||
| FRXM3 | 18 mi | 75 min | 39°F | 33°F | ||||
| FRVM3 - 8447386 - Fall River, MA | 19 mi | 75 min | 38°F | 46°F | 992.7 hPa (+0.3) | |||
| BLTM3 - 8447387 - Borden Flats Light at Fall River, MA | 19 mi | 75 min | W 18 G 21 | 39°F | 992.1 hPa (-0.0) | |||
| BZBM3 - 8447930 - Woods Hole, MA | 19 mi | 75 min | 39°F | 40°F | 992.5 hPa (+0.6) | |||
| PTCR1 - 8452951 - Potter Cove, Prudence Island, RI | 21 mi | 75 min | W 8.9 G 14 | 36°F | 992.9 hPa (+0.0) | |||
| NAXR1 - Narragansett Bay Reserve, RI | 21 mi | 90 min | W 8 | 36°F | 993 hPa | 30°F | ||
| QPTR1 - 8454049 - Quonset Point, RI | 22 mi | 75 min | WSW 13 G 16 | 38°F | 43°F | 992.5 hPa (+0.0) | ||
| CPTR1 - 8452944 - Conimicut Light, RI | 25 mi | 75 min | SSW 17 G 21 | 36°F | 43°F | 991.9 hPa (-0.0) | ||
| WAXM3 - Waquoit Bay Reserve, MA | 28 mi | 90 min | WSW 1.9 | 41°F | 991 hPa | 37°F | ||
| PVDR1 | 30 mi | 75 min | W 8 G 9.9 | 37°F | 992.4 hPa (-0.0) | 30°F | ||
| FOXR1 - 8454000 - Providence, RI | 31 mi | 75 min | W 9.9 G 12 | 37°F | 41°F | 992.3 hPa (-0.0) | ||
| 44097 - Block Island, RI (154) | 34 mi | 79 min | 47°F | 11 ft | ||||
| 44020 - NANTUCKET SOUND | 39 mi | 55 min | W 19 G 25 | 41°F | ||||
| 44090 | 45 mi | 78 min | 41°F | 2 ft |
Wind History for Newport, RI
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | |
| Last 24hr | E G15 | E G15 | E G22 | E G28 | E G28 | E G29 | SE G36 | SE G31 | SE G26 | SE G23 | S G21 | SW G21 | SW G20 | SW G22 | SW G14 | SW | SW G16 | SW G14 | SW G15 | W G18 | W G19 | W G20 | W G18 | W G15 |
| 1 day ago | NE | N G8 | N | NE G9 | N G8 | N | NE | NE | NE G10 | NE G11 | E G8 | SE G12 | E G10 | E G12 | E G15 | E G11 | E G10 | E | NE | E G11 | E G13 | E G21 | E G15 | E G16 |
| 2 days ago | S | S | S | S | N | N | N | N G8 | N | S | E | E | NE | N | N | N | N G8 | N G11 | N G10 | N G12 | N G8 |
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 |
| Newport, Newport State Airport, RI | 15 mi | 22 min | Var 6 | 10.00 mi | Fair | 35°F | 29°F | 78% | 993.4 hPa |
| New Bedford, New Bedford Regional Airport, MA | 16 mi | 22 min | WSW 11 | 10.00 mi | Fair | 37°F | 29°F | 73% | 992.5 hPa |
| Marthas Vineyard Airport, MA | 21 mi | 22 min | W 9 G 16 | 10.00 mi | Fair | 38°F | 30°F | 73% | 993.2 hPa |
Link to 5 minute data for KUUU
Wind History from UUU (wind in knots)
| 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 | 12 AM | 1 AM | |
| Last 24hr | E | E G19 | E G22 | E G28 | E G28 | E G33 | E G29 | SE G30 | SE G24 | SE G22 | S G20 | SW G19 | SW G19 | G14 | SW | W | W G16 | W | W G15 | |||||
| 1 day ago | N | N | N | N | N | N | Calm | N | NE | E | E | E | E | E | E | E | E | E | E | E | E | E | E G18 | E G19 |
| 2 days ago | Calm | S | Calm | SW | SE | S | Calm | Calm | NW | N | N | W | E | SE | SE | Calm | Calm | Calm | N | N | N | N | N | N |
Tide / Current Tables for Penikese Island, Buzzards Bay, Massachusetts
EDIT Weekend mode (on/off) (on/off) Help One Week of DataPenikese Island
Click for Map
Sun -- 03:40 AM EST -0.03 feet Low Tide
Sun -- 07:06 AM EST Sunrise
Sun -- 10:01 AM EST Moonrise
Sun -- 10:22 AM EST 3.44 feet High Tide
Sun -- 04:06 PM EST 0.05 feet Low Tide
Sun -- 04:41 PM EST Sunset
Sun -- 09:31 PM EST Moonset
Sun -- 10:48 PM EST 3.23 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 03:40 AM EST -0.03 feet Low Tide
Sun -- 07:06 AM EST Sunrise
Sun -- 10:01 AM EST Moonrise
Sun -- 10:22 AM EST 3.44 feet High Tide
Sun -- 04:06 PM EST 0.05 feet Low Tide
Sun -- 04:41 PM EST Sunset
Sun -- 09:31 PM EST Moonset
Sun -- 10:48 PM EST 3.23 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 |
| 2.3 | 1.3 | 0.5 | 0.1 | -0 | 0.2 | 0.7 | 1.4 | 2.2 | 2.9 | 3.4 | 3.3 | 2.7 | 1.8 | 0.9 | 0.3 | 0.1 | 0.2 | 0.5 | 1 | 1.7 | 2.5 | 3.1 | 3.2 |
Tide / Current Tables for Westport River Entrance, Massachusetts Current
EDIT (on/off) Help One Week of DataWestport River Entrance
Click for Map
Sun -- 01:44 AM EST -2.31 knots Max Ebb
Sun -- 06:02 AM EST 0.00 knots Slack
Sun -- 07:07 AM EST Sunrise
Sun -- 09:21 AM EST 1.95 knots Max Flood
Sun -- 10:02 AM EST Moonrise
Sun -- 11:30 AM EST -0.00 knots Slack
Sun -- 01:59 PM EST -2.44 knots Max Ebb
Sun -- 04:42 PM EST Sunset
Sun -- 06:03 PM EST 0.00 knots Slack
Sun -- 09:32 PM EST Moonset
Sun -- 09:45 PM EST 2.31 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 01:44 AM EST -2.31 knots Max Ebb
Sun -- 06:02 AM EST 0.00 knots Slack
Sun -- 07:07 AM EST Sunrise
Sun -- 09:21 AM EST 1.95 knots Max Flood
Sun -- 10:02 AM EST Moonrise
Sun -- 11:30 AM EST -0.00 knots Slack
Sun -- 01:59 PM EST -2.44 knots Max Ebb
Sun -- 04:42 PM EST Sunset
Sun -- 06:03 PM EST 0.00 knots Slack
Sun -- 09:32 PM EST Moonset
Sun -- 09:45 PM EST 2.31 knots Max Flood
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 | -2.1 | -2.3 | -1.9 | -1.3 | -0.7 | -0 | 0.7 | 1.4 | 1.9 | 1.8 | 0.8 | -0.8 | -2 | -2.4 | -2.1 | -1.5 | -0.8 | -0 | 0.7 | 1.5 | 2.1 | 2.3 | 1.6 |
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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