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Marine Weather and Tides
Version 3.4 |
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues. 6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. |
| Sunrise 5:46AM | Sunset 7:38PM | Wednesday April 25, 2018 4:35 AM EDT (08:35 UTC) | Moonrise 2:57PM | Moonset 3:47AM | Illumination 75% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ236 Narragansett Bay- 403 Am Edt Wed Apr 25 2018 .small craft advisory in effect from 2 pm edt this afternoon through Thursday morning... Today..SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. Areas of fog. Rain. Vsby 1 to 3 nm, decreasing to 1 nm or less this afternoon. Tonight..SE winds 10 to 15 kt with gusts up to 25 kt, becoming S 5 to 10 kt after midnight. Waves 2 to 4 ft. Areas of fog. Showers. Vsby 1 nm or less. Thu..SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 nm or less. Thu night..W winds 5 to 10 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Waves 2 to 3 ft. Fri..S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 2 to 3 ft. Showers likely. Fri night..S winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely. Sat..SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Sat night..W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Sun..W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Sun night..NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 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 403 Am Edt Wed Apr 25 2018 Synopsis for massachusetts and rhode island coastal waters.. Low pressure will push across the region today, bringing areas of rain and isolated Thunderstorms, then move across northern new england by midday Thursday. Another low will move up the coast with a round of showers Friday afternoon and evening. A cold front will cross the region late Saturday into Saturday evening with a few showers possible. High pressure will build in from the west Saturday night and Sunday. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the current hazards link above the map on the left. |
7 Day Forecast for Marine Location Near Taunton, MA
Hourly EDIT Helplocation: 41.88, -71.1 debug
Area Discussion for - Boston, MA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kbox 250733 afdbox area forecast discussion national weather service boston norton ma 333 am edt Wed apr 25 2018 Synopsis Low pressure approaching from the southwest will bring a soaking rain today and into this evening. Locally heavy downpours may result in some brief nuisance poor drainage street flooding with an isolated thunderstorm or two possible. Seasonable temperatures follow for the remainder of the week with mainly dry weather other than a brief period of rain showers likely Friday. A cool down will occur Saturday night and Sunday, but this will be short lived as unseasonably warm temperatures appear to be in store for the region by the middle of next week. Near term until 6 am this morning 955 pm update... temperatures have been very slowly decreasing hours while dewpoints have slowly increased as seen on surface observation trends since 22z. Still noting rather wide t TD trends, though they are lower across the immediate S coast and especially on the islands from the 01z observations, down to 3 degrees at kack. Weak ridging extending westward from high pressure SE of nova scotia keeping precip at bay this evening with the continued dry airmass, though noting reports of -ra at kjfk at 01z. With mainly cloudy skies across the region, along with winds becoming generally e-se, should see temps continue to fall slowly overnight. Have updated near term forecast to bring conditions current, but not a whole lot of changes from the previous update. Previous discussion... model trends have slowed the timing just slightly for the onset of the warm advection rainfall. This is due to such a dry airmass in the mid-levels (700-800mb). Bufkit soundings moisten the profile out west by 06z and over the east around 10z. Thus went ahead and slowed the timing. Aside, expect clouds to thicken and lower during the overnight hours before the precipitation begins to fall. Anticipate showers to start due to isentropic lift and in the WAA pattern. Heavier precip will fall by 09-12z from west to east towards the morning hours. Short term 6 am this morning through 6 pm Thursday Wednesday into Wednesday night... *** heavy rainfall and isolated thunder for Wednesday *** southern stream surface low will approach the region on Wednesday as northern stream trough swings into the area from southern canada. This surface low will move across the region, allowing for the southern half of sne to become warm sectored. This upper level trough will continue to dig and go negatively tiled pushing the surface low up into the gulf of maine by Thursday morning. Rainfall... steady rainfall will stream into the region by Wednesday morning as pwat values increase to 1.3 inches, 1-2 std above normal. Associated with this system, strong LLJ nearing 3 std above normal will allow for strong moisture transport into the region. Right now appears that widespread 1-2 inches of rainfall will occur through Wednesday night. Think the highest amounts will occur across the worcester hills and the east slope of the berks where upslope flow will help create a bit more lift. Cannot rule out the potential for 2+ inches in that region, which is indicated by the arw. Still with this much rainfall, appears the the main stem rivers will remain in their banks per nerfc's forecast and mmefs. Still, we will have to watch some of the flashy streams. Right now believe that urban and poor drainage flooding will be the main threat. Precip will come to an end by late Wednesday into the overnight hours as main jet lifts farther north. Models also show some drying into the mid to upper levels which could result in showery weather towards Thursday morning. Wind... as mentioned before, strong LLJ increases during the day on Wednesday reaching close to 3 std above normal. In fact, 925mb winds increase between 50-60 kts. Believe that most of this wind will remain elevated as soundings show a strong inversion across the area. However, could see some mixing near the southeast coastal plain where the potential for thunder could bring down a few strong winds gusts. Also appears to be a narrow window where lapse rates may be steep enough. Believe that we could see somewhere near 25-35 mph across the southeast coastal plain. Will hold off in any adv for this time as confidence is not that high. Thunder... a low risk for thunder during the day on Wednesday as we warm sector just a bit by the afternoon hours. Models indicate that showalters drop below 0 and there is some elevated CAPE nearing a few hundred joules. Like the timing of the SPC href mu cape so tried to incorporate that into the forecast. Biggest risk would be heavy rainfall and some gusty winds within any thunderstorm. Fog... as the system begins to wind down late Wednesday night into Thursday morning, we may have to watch for the potential for fog. High dewpoint airmass will still be over the region Wednesday night and with some drying in the mid-levels, low levels appear to remain saturated. Winds also appears to be light. So aside from some showers moving across the region, may have to watch for patchy dense fog, especially across the south coast. Long term Thursday night through Tuesday Highlights... * a 1-3 hour period of rain showers likely fri * milder Sat with just a few brief afternoon evening showers possible * dry and noticeably cooler Sun with frost potential late Sun night * dry weather Mon Tue Wed with a significant warming trend and the potential for 80+ in some locations by the middle of next week details... Thursday night... a ridge of high pressure will result in a dry tranquil night. Low temperatures should bottom out in the upper 30s to the middle 40s in most locales. Friday... shortwave trough remains to our west and it will eject a piece of energy into our region on southwest flow aloft. Appears there will be enough forcing for a 1 to 3 hour period of rain showers sometime Friday into early Friday evening. Certainly not looking at a lot of rain... But appears the likelihood that most locations do see a brief period of rain showers. Clouds and the likelihood of a brief period of wet weather should hold high temps mainly in the lower 60s. Saturday and Saturday night... a milder day is on tap for Saturday ahead of an approaching cold front. Southwest flow and partial sunshine should allow high temperatures to recover well into the 60s to possible around 70 in a few locales. While dry weather should dominate... An approaching cold front may trigger a few brief showers during the afternoon evening. Greatest risk will be across western ma... Where forcing moisture will be a bit deeper. Turns cooler Sat night behind the cold front. Low temps by daybreak Sun should be down into the upper 30s and lower 40s. Sunday and Sunday night... |
deep trough sets up across the northeast with anomalously low height fields. It will be noticeably cooler... But highs should still top out well into the 50s with good mixing in northwest flow along with the benefit of the increasing spring Sun angle. The dry airmass in place will allow for chilly temps late Sun night into early Mon am. Lows should bottom out in the upper 20s to the middle 30s in many locations. Frost headlines may eventually need to be considered where the growing season has officially started. Monday through Wednesday... the northeast trough quickly moves east of the region Monday and will be replaced by strong upper level ridging by the middle of next week. The result should be dry weather with a significant warmup. High temps should recover into the lower to middle 60s mon... Probably well into the 70s by tue... And the potential for some 80 plus degree readings on wed. A weak pressure gradient will likely allow for sea breezes and cooler conditions along the coast at times. Nonetheless... At least a taste of summer afternoon warmth appears to be in the cards for much of the region. Aviation 08z Wednesday through Sunday Forecaster confidence levels... low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent. Short term through Thursday ... Moderate to high confidence. Overnight... Expect mainlyVFR. Winds will shift to the e-se between 06z and 09z. Wednesday... MVFR lowering to ifr, moving in from SW to ne generally between 10z and 14z. Rain will quickly overspread the region as winds remain e-se. Ifr-lifr conditions possible during the late morning into the afternoon with +ra and isolated thunder. Low risk for 35 kt gusts across the southeast coastal plain. Otherwise strong llws through much of the day. Wednesday night... Ifr with possible lifr across the area. Improving to MVFR towards dawn on Thursday. +ra remains trending towards showery weather after midnight. Could be low vsbys along the south coast in fog through much of the night. Kbos terminal... High confidence in taf. May get the first part of the morning rush through inVFR, albeit lowering cigs. However, E to SE wind accompanied by rain likely keep CIGS low late morning into Wed night. Low risk for tsra after 21z. Kbdl terminal... High confidence in taf. Morning rush could be impacted with +ra. Outlook Thursday night through Sunday ... Moderate to high confidence. Thursday night:VFR. Friday and Friday night: a period of MVFR to localized ifr conditions likely in a round of rain showers sometime Friday into early Friday evening. Saturday through Saturday night:VFR. Breezy. Slight chance shra. Sunday:VFR. Breezy. Marine Forecaster confidence levels... low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent. Short term through Thursday ... tonight... High confidence. Approach surface low will switch winds to the ese and gusts to near 25kts. Seas will build as a response resulting in sca. Wednesday and Wednesday night... Moderate confidence. Small craft advisory winds with gusts up to 30 kt and a low risk for a few 35 knot gusts early in the evening across the southeast waters. Rough seas up to 13 ft. Chance of rain showers, areas fog, isolated thunderstorms. Visibility 1 to 3 nm. Outlook Thursday night through Sunday ... Moderate to high Thursday night: winds less than 25 kt. Areas of rough seas. Friday: winds less than 25 kt. Seas up to 5 ft. Rain showers likely. Friday night: winds less than 25 kt. Seas up to 5 ft. Slight chance of rain showers. Saturday: winds less than 25 kt. Seas up to 5 ft. Saturday night: winds less than 25 kt. Seas up to 5 ft. Slight chance of rain showers. Sunday: low risk for small craft advisory winds with gusts up to 25 kt. Seas up to 5 ft. Equipment The NOAA weather radio transmitter serving providence is out of service due to phone line problems. The phone company has prioritized the issues and is working to get the weather broadcast back on the air as soon as possible. The transmitter serving hyannis is back in service. Box watches warnings advisories Ct... None. Ma... None. Ri... None. Marine... Small craft advisory until 9 pm edt this evening for anz231- 232. Small craft advisory from 7 am this morning to 9 pm edt this evening for anz233-234. Small craft advisory from 1 pm this afternoon to 8 pm edt this evening for anz230. Small craft advisory from 9 am this morning to 6 pm edt this evening for anz236. Small craft advisory until 9 am edt Thursday for anz235-237- 254. Small craft advisory from 8 am this morning to 9 am edt Thursday for anz250-251. Small craft advisory until 9 am edt Thursday for anz255-256. Synopsis... Frank near term... Evt thompson short term... Dunten long term... Frank aviation... Evt frank marine... Evt frank equipment... Staff |
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 |
| FRVM3 - 8447386 - Fall River, MA | 13 mi | 48 min | 55°F | 48°F | 1021.1 hPa | |||
| BLTM3 - 8447387 - Borden Flats Light at Fall River, MA | 13 mi | 48 min | SE 14 G 18 | 55°F | 1020.6 hPa | |||
| FRXM3 | 13 mi | 48 min | 55°F | 44°F | ||||
| PVDR1 | 16 mi | 48 min | NE 4.1 G 4.1 | 51°F | 1021.1 hPa | 42°F | ||
| CPTR1 - 8452944 - Conimicut Light, RI | 17 mi | 48 min | SSW 2.9 G 5.1 | 51°F | 51°F | 1020.9 hPa | ||
| FOXR1 - 8454000 - Providence, RI | 17 mi | 48 min | ENE 1 G 2.9 | 51°F | 49°F | 1020.5 hPa | ||
| PTCR1 - 8452951 - Potter Cove, Prudence Island, RI | 21 mi | 48 min | S 8 G 13 | 54°F | 1020.4 hPa | |||
| NAXR1 - Narragansett Bay Reserve, RI | 21 mi | 111 min | S 4.1 | 53°F | 1000 hPa | 46°F | ||
| QPTR1 - 8454049 - Quonset Point, RI | 26 mi | 54 min | S 9.9 G 12 | 51°F | 48°F | 1020.8 hPa | ||
| NWPR1 - 8452660 - Newport, RI | 29 mi | 48 min | ESE 9.9 G 15 | 50°F | 45°F | 1020.1 hPa | ||
| BHBM3 - 8443970 - Boston, MA | 33 mi | 48 min | 51°F | 1020.7 hPa | ||||
| BZBM3 - 8447930 - Woods Hole, MA | 33 mi | 48 min | 53°F | 46°F | 1021.1 hPa | |||
| BUZM3 - Buzzards Bay, MA | 34 mi | 36 min | SE 19 G 20 | 49°F | 1020.6 hPa (-3.3) | |||
| WAXM3 - Waquoit Bay Reserve, MA | 37 mi | 111 min | 2.9 | 50°F | 1023 hPa | 46°F | ||
| 44013 - BOSTON 16 NM East of Boston, MA | 40 mi | 46 min | ESE 5.8 G 5.8 | 46°F | 44°F | 1 ft | 1021.7 hPa (-3.1) | 42°F |
| 44090 | 41 mi | 36 min | 44°F | 1 ft |
Wind History for Borden Flats Light at Fall River, MA
(wind in knots) EDIT (on/off) Help| 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 | 4 AM | |
| Last 24hr | SW | SW | SW | SW | SW | SW | SW | SW G17 | SW | SW G20 | S G21 | S | SW G19 | S G14 | SE | S G13 | SE G16 | SE G12 | S | SE | SE G14 | SE G13 | SE G13 | SE G18 |
| 1 day ago | N | SW | W | -- | N | NE | NE | SW | SW | SW | SE G14 | SW | S G15 | S | S | S G7 | SW | SW G8 | SW | S | SW | SW | SW | |
| 2 days ago | SW | N | W | W | W G6 | NW G14 | NW G14 | NW G14 | W G14 | W | SW | SW | SW | SW | SW | SW G12 | SE | SE | SE | NE | NE | NE | -- | NE |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Taunton, Taunton Municipal Airport, MA | 4 mi | 44 min | N 0 | 10.00 mi | Fair | 50°F | 42°F | 74% | 1021 hPa |
| New Bedford, New Bedford Regional Airport, MA | 15 mi | 43 min | SE 9 | 10.00 mi | Mostly Cloudy | 51°F | 45°F | 80% | 1020.9 hPa |
| Pawtucket, North Central State Airport, RI | 16 mi | 40 min | no data | 10.00 mi | Partly Cloudy | 47°F | 37°F | 71% | 1015.5 hPa |
| Plymouth, Plymouth Municipal Airport, MA | 20 mi | 44 min | Var 6 | 10.00 mi | Fair | 53°F | 44°F | 72% | 1021.6 hPa |
| Providence, Theodore Francis Green State Airport, RI | 20 mi | 45 min | ESE 3 | 10.00 mi | A Few Clouds | 50°F | 45°F | 83% | 1021.1 hPa |
| Norwood, Norwood Memorial Airport, MA | 22 mi | 43 min | N 0 | 10.00 mi | Fair | 52°F | 39°F | 61% | 1021.3 hPa |
| East Milton, MA | 23 mi | 40 min | SSE 9 | mi | 48°F | 41°F | 77% | 1021.7 hPa | |
Wind History from TAN (wind in knots)
| 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 | 4 AM | |
| Last 24hr | Calm | Calm | Calm | SW | SW | S | SW | SW G17 | SW G18 | S G19 | S G19 | S | S | S | S | S | S | SE | Calm | Calm | Calm | Calm | ||
| 1 day ago | Calm | Calm | Calm | Calm | Calm | Calm | NW | NW | SW | SE | S | S | S | S | S | Calm | SE | SE | SE | Calm | Calm | Calm | ||
| 2 days ago | Calm | Calm | Calm | NW | NW | NW G18 | NW G17 | NW G16 | NW G17 | NW G15 | NW | SE | SE | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
Tide / Current Tables for Taunton, Taunton River, Massachusetts
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Taunton Click for Map Wed -- 12:43 AM EDT 0.11 feet Low Tide Wed -- 03:47 AM EDT Moonset Wed -- 05:48 AM EDT 2.95 feet High Tide Wed -- 05:48 AM EDT Sunrise Wed -- 01:17 PM EDT 0.01 feet Low Tide Wed -- 02:57 PM EDT Moonrise Wed -- 06:18 PM EDT 3.05 feet High Tide Wed -- 07:36 PM EDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0.1 | 0.1 | 0.4 | 1 | 1.9 | 2.7 | 2.9 | 2.7 | 2.2 | 1.5 | 0.9 | 0.4 | 0.1 | 0 | 0.1 | 0.6 | 1.4 | 2.4 | 3 | 3 | 2.5 | 1.9 | 1.2 | 0.7 |
Tide / Current Tables for Fall River, Massachusetts
EDIT (on/off) Help One Week of Data| Fall River Click for Map Wed -- 03:47 AM EDT Moonset Wed -- 05:10 AM EDT 4.71 feet High Tide Wed -- 05:49 AM EDT Sunrise Wed -- 11:25 AM EDT 0.02 feet Low Tide Wed -- 02:57 PM EDT Moonrise Wed -- 05:40 PM EDT 4.87 feet High Tide Wed -- 07:36 PM EDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0.4 | 0.9 | 1.9 | 3.1 | 4.2 | 4.7 | 4.4 | 3.5 | 2.3 | 1.1 | 0.4 | 0.1 | 0.1 | 0.5 | 1.3 | 2.5 | 3.8 | 4.7 | 4.8 | 4.2 | 3 | 1.7 | 0.7 | 0.1 |
Weather Map and Satellite Images
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GOES 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
Wind Forecast for Boston, MA (4,6,7,8)
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Ground Weather Radar Station Boston, MA
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Disclaimer: The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program. |