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Marine Weather and Tides
Version 3.4 |
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone. 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 5:35AM | Sunset 8:07PM | Thursday July 29, 2021 4:41 PM EDT (20:41 UTC) | Moonrise 11:22PM | Moonset 11:25AM | Illumination 70% |  |
ANZ236 Narragansett Bay- 427 Pm Edt Thu Jul 29 2021
Tonight..S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Rain and tstms likely, mainly this evening.
Fri..W winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less, except 2 to 4 ft at the bay entrance.
Fri night..NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft.
Sat..W winds around 10 kt. Waves 1 foot or less.
Sat night..W winds 5 to 10 kt. Waves 1 foot or less.
Sun and Sun night..SW winds 10 to 15 kt. Waves 1 foot or less. A chance of showers.
Mon through Tue..S winds 5 to 10 kt. Waves 1 foot or less.
Tue night..N winds around 5 kt. Waves 1 foot or less. A chance of showers. Winds and waves higher in and near tstms. 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.
Tonight..S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Rain and tstms likely, mainly this evening.
Fri..W winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less, except 2 to 4 ft at the bay entrance.
Fri night..NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft.
Sat..W winds around 10 kt. Waves 1 foot or less.
Sat night..W winds 5 to 10 kt. Waves 1 foot or less.
Sun and Sun night..SW winds 10 to 15 kt. Waves 1 foot or less. A chance of showers.
Mon through Tue..S winds 5 to 10 kt. Waves 1 foot or less.
Tue night..N winds around 5 kt. Waves 1 foot or less. A chance of showers. Winds and waves higher in and near tstms. 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 427 Pm Edt Thu Jul 29 2021
Synopsis for massachusetts and rhode island coastal waters.. Small crafts have been hoisted for all waters overnight except for narragansett bay and boston harbor. Overnight a warm front will lift across the waters and will produce showers and a few strong to severe Thunderstorms, with a low risk for a waterspout. Improvements arrive early Friday around Sunrise as the parent low and trailing cold front clear the southern new england coastline. High pressure returns for the weekend before our next area of low pressure swings out of the great lakes region late Sunday night into early Monday. 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.. Small crafts have been hoisted for all waters overnight except for narragansett bay and boston harbor. Overnight a warm front will lift across the waters and will produce showers and a few strong to severe Thunderstorms, with a low risk for a waterspout. Improvements arrive early Friday around Sunrise as the parent low and trailing cold front clear the southern new england coastline. High pressure returns for the weekend before our next area of low pressure swings out of the great lakes region late Sunday night into early Monday. 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 Tiverton, RI
Hourly EDIT Help
location: 41.63, -71.21 debug
Area Discussion for - Boston, MA
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS61 KBOX 292006 AFDBOX
Area Forecast Discussion National Weather Service Boston/Norton MA 406 PM EDT Thu Jul 29 2021
SYNOPSIS.
Isolated strong to severe thunderstorms possible overnight south of I-90. Passing cold front produces clear skies for Friday and Saturday afternoon. A frontal system brings another threat for showers sometime Sunday and/or Sunday night. Dry weather returns for Monday before our weather pattern turns more unsettled into the middle of next week.
NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. 4 PM Update .
.Tonight. Light to moderate showers with isolated thunder continue this evening for areas north and west of I-95. Surface low-pressure tracks northwest of southern New England overnight. Showers and thunderstorms will overspread the rest of southern New England as the surface warm front lifts northeast over the region and the surface cold front approaches from the west. There will be the potential for a couple of isolated strong to severe thunderstorms as both sufficient instability (500-1000 J/kg CAPE) and deep layer shear (35-40 knots effective shear) will be supportive of organized convection. While damaging wind gusts will be the most likely hazard, we cannot rule out the possibility of an isolated tornado. Model low-level shear and helicity values have been rather impressive for areas south of I-90 with the GFS suggesting the possibility for 1km shear values near 30 knots. Furthermore mean 1km helicity values from the HREF members are in the 100-150 unit range. Should any tornadic activity occur it would likely be limited in both duration and intensity given the relatively weak instability and poor low-level lapse rates.
In addition to the isolated threat for strong to severe thunderstorms, we're also under a slight risk for excessive rainfall tonight. PWATs > 1.5" will be supportive of heavy downpours and locally high precipitation rates. Should any training thunderstorms occur over the more vulnerable areas in western MA/CT, flash flooding could be a possibility. Showers and storms lingering into the morning should be clear of the area an hour or two after sunrise as the surface cold front pushes east of the region.
SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/. .Friday.
Surface cold front pushes through the region tomorrow morning resulting in a windshift to the northwest. This will usher in drier air which will allow for clearing skies as the day progresses. Gusty northwest winds will support deep mixing that should support high temperatures in the upper 70s to low 80s for most areas in southern New England tomorrow afternoon.
.Friday Night.
Strong cold air advection behind the surface cold front coupled with radiational cooling will support chilly temperatures Saturday morning for late July. Could see lows in the upper 40s for areas out west! For reference, the average low temperature this time of year for Worcester,MA is 61 degrees. So this puts us at close to 10-15 degrees below normal (an early taste of fall). Modest winds Friday night(5-10 knots) may result in mechanical mixing that will limit radiational cooling so rather than going with the lowest guidance available, I opted to blend the consensus MOS guidance and the 25th percentile of the NBM. This seemed reasonable given the strong CAA aloft and expected clear skies.
LONG TERM /SATURDAY THROUGH THURSDAY/. Highlights .
* Dry, cool, and pleasant Saturday with low humidity and highs in the mid 70s.
* Relatively cool and periodically unsettled weather continues through at least mid week with no big warm up in sight.
Details .
The region will remain in this overall (relatively) cool and periodically unsettled pattern through at least the middle of next week. This is thanks in part to the persistent area of upper level troughing overhead with its axis over the Great Lakes region through the extended forecast. This places southern New England under the influence of a cool airmass with 850 mb temperatures in the +10 to +12C range. As such, while the warmest spots like the Connecticut River Valley may touch 80 a few times, most locations will see highs in the mid to upper 70s every day. For reference, normal highs for early August are in the 80s. Additionally, dewpoints in the 40s Saturday and 50s Sunday will allow for some cool nights. While Saturday morning will be the coldest, Sunday morning will still be quite cool, in the low to mid 50s inland.
A few chances for showers and thunderstorms come late Sunday into next week as shortwave after shortwave move through downstream of the parent trough. Additionally, we'll be in favorable placement to have at least one coastal storm move up along the east coast and within our vicinity first Sunday night then again potential around Tuesday or Wednesday. At this point confidence is low on potential impacts if any. Odds are good that rain returns late Sunday/Sunday night but more likely associated with the low pressure passing to our north. The system around Tue/Wed carries even less confidence. Regardless, we remain beneath cyclonic flow with periodic surges of moisture so rain chances will be off an on through the week, but no big warm ups are in sight.
AVIATION /20Z THURSDAY THROUGH TUESDAY/. Forecaster Confidence Levels.
Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.
18Z TAF Update .
Through 00Z . High confidence
Gusty south/southwest winds persist through 00Z. Mainly VFR with some patches of scattered clouds below 3000 feet. Showers and thunderstorms overspread most of southern New England this afternoon and evening. Showers and thunderstorms don't impact The Cape terminals until after 00Z.
Tonight . Moderate Confidence. MVFR- IFR conditions will dominate with rounds of showers and embedded t-storms with locally locally heavy rainfall. SW winds of 5 to 15 knots.
Friday . High Confidence. MVFR ceilings early in the morning should improve to generally VFR by afternoon. Winds become NW at 10 to 15 knots with gusts of 20-25 knots expected.
KBOS Terminal . Moderate Confidence in TAF.
KBDL Terminal . Moderate Confidence in TAF.
Outlook /Saturday through Tuesday/ .
Saturday: VFR. Breezy.
Saturday Night: VFR.
Sunday: VFR. Chance SHRA.
Sunday Night: VFR. Breezy. Chance SHRA.
Monday: VFR. Slight chance SHRA.
Monday Night: VFR.
Tuesday: VFR. Slight chance SHRA.
MARINE. Forecaster Confidence Levels.
Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.
Tonight and Friday . High Confidence. Showers and thunderstorms this evening as a low-pressure system tracks over New England. Isolated strong to severe thunderstorms will be possible over the coastal waters. Can't rule out the possibility of a waterspout. SCY conditions with 25 knots gusts and seas up to 6 feet for the outer waters.
Friday and Friday Night
Clearing skies behind the passing cold front Friday. Northwest winds gusting from 15-25 knots. SCY conditions persist into Saturday morning with sea up to 6 feet for the outer waters.
/Outlook /Saturday through Tuesday/ .
Saturday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Saturday Night: Winds less than 25 kt.
Sunday through Sunday Night: Winds less than 25 kt. Seas locally approaching 5 ft. Chance of rain showers.
Monday: Winds less than 25 kt. Seas locally approaching 5 ft.
Monday Night: Winds less than 25 kt. Areas of seas approaching 5 ft. Slight chance of rain showers.
Tuesday: Winds less than 25 kt. Areas of seas approaching 5 ft. Chance of rain showers.
BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Small Craft Advisory from 10 PM this evening to 8 PM EDT Friday for ANZ231>235-237-254>256. Small Craft Advisory until 8 PM EDT Friday for ANZ250-251.
SYNOPSIS . BW/RM NEAR TERM . RM SHORT TERM . RM LONG TERM . BW AVIATION . RM MARINE . BW/RM
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapWind History for Borden Flats Light at Fall River, MA
(wind in knots) EDIT (on/off) Help| 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 | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | |
| Last 24hr | NE | NE | NE | NE | E | E | SE | SE | SW | S | SW | S | S | S | SW | SW | SW | SW | S G15 | S G17 | S G17 | SW G22 | S G18 | S G24 |
| 1 day ago | SW | SW G20 | SW | SW | SW | N G14 | N | S | SW | NE | W | NW | N | N | N | N | NE | NE G14 | NE | NE G12 | N G13 | NE | N | N |
| 2 days ago | SW | SW | SW | SW | SW | SW | SW G9 | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
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 | 7 mi | 48 min | S 11 | 10.00 mi | A Few Clouds | 72°F | 62°F | 71% | 1013.6 hPa |
| N. Kingston / Quonset, RI | 11 mi | 1.9 hrs | S 20 | 10.00 mi | Overcast and Breezy | 75°F | 59°F | 57% | 1013.9 hPa |
| New Bedford, New Bedford Regional Airport, MA | 13 mi | 48 min | S 11 | 10.00 mi | Overcast | 73°F | 59°F | 62% | 1013.6 hPa |
| Providence, Theodore Francis Green State Airport, RI | 14 mi | 50 min | S 13 G 19 | 10.00 mi | Overcast | 74°F | 60°F | 62% | 1013.3 hPa |
| Taunton, Taunton Municipal Airport, MA | 21 mi | 49 min | SSW 9 G 16 | 10.00 mi | Overcast | 72°F | 57°F | 59% | 1013.5 hPa |
| Pawtucket, North Central State Airport, RI | 22 mi | 45 min | S 7 | 10.00 mi | A Few Clouds | 70°F | 57°F | 64% | 1013.8 hPa |
Link to 5 minute data for KUUU
Wind History from UUU (wind in knots)
| 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 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 | |
| Last 24hr | N | S | SE | S | S | Calm | SE | Calm | Calm | Calm | SE | Calm | Calm | Calm | Calm | S | SW | S | S | S | S | S | S G18 | S |
| 1 day ago | SW | S G15 | N | N | N | Calm | Calm | Calm | W | Calm | Calm | N | N | N | N | N | NE | N | NE | N | N | NE | ||
| 2 days ago | SW | SW | SW | Calm | Calm | Calm | W | Calm | W | Calm | Calm | Calm | Calm | NW | W | W | NW | S | S | S |
Tide / Current Tables for Anthony Point, Sakonnet River, Narragansett Bay, Rhode Island
EDIT Weekend mode (on/off) (on/off) Help One Week of DataAnthony Point
Click for Map
Thu -- 12:05 AM EDT 4.03 feet High Tide
Thu -- 05:36 AM EDT Sunrise
Thu -- 05:45 AM EDT 0.39 feet Low Tide
Thu -- 11:25 AM EDT Moonset
Thu -- 12:35 PM EDT 4.11 feet High Tide
Thu -- 06:15 PM EDT 0.76 feet Low Tide
Thu -- 08:05 PM EDT Sunset
Thu -- 11:21 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 12:05 AM EDT 4.03 feet High Tide
Thu -- 05:36 AM EDT Sunrise
Thu -- 05:45 AM EDT 0.39 feet Low Tide
Thu -- 11:25 AM EDT Moonset
Thu -- 12:35 PM EDT 4.11 feet High Tide
Thu -- 06:15 PM EDT 0.76 feet Low Tide
Thu -- 08:05 PM EDT Sunset
Thu -- 11:21 PM EDT Moonrise
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 |
| 4 | 3.8 | 3 | 1.9 | 1 | 0.5 | 0.4 | 0.6 | 1.1 | 1.7 | 2.6 | 3.4 | 4 | 4.1 | 3.5 | 2.6 | 1.7 | 1 | 0.8 | 0.8 | 1.1 | 1.5 | 2.1 | 2.9 |
Tide / Current Tables for Westport River Entrance, Massachusetts Current
EDIT (on/off) Help One Week of DataWestport River Entrance
Click for Map
Thu -- 12:59 AM EDT -0.00 knots Slack
Thu -- 03:27 AM EDT -2.42 knots Max Ebb
Thu -- 05:36 AM EDT Sunrise
Thu -- 07:32 AM EDT 0.00 knots Slack
Thu -- 11:12 AM EDT 2.26 knots Max Flood
Thu -- 11:25 AM EDT Moonset
Thu -- 01:33 PM EDT -0.00 knots Slack
Thu -- 03:57 PM EDT -2.31 knots Max Ebb
Thu -- 08:04 PM EDT Sunset
Thu -- 08:15 PM EDT 0.00 knots Slack
Thu -- 11:20 PM EDT Moonrise
Thu -- 11:40 PM EDT 1.97 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 12:59 AM EDT -0.00 knots Slack
Thu -- 03:27 AM EDT -2.42 knots Max Ebb
Thu -- 05:36 AM EDT Sunrise
Thu -- 07:32 AM EDT 0.00 knots Slack
Thu -- 11:12 AM EDT 2.26 knots Max Flood
Thu -- 11:25 AM EDT Moonset
Thu -- 01:33 PM EDT -0.00 knots Slack
Thu -- 03:57 PM EDT -2.31 knots Max Ebb
Thu -- 08:04 PM EDT Sunset
Thu -- 08:15 PM EDT 0.00 knots Slack
Thu -- 11:20 PM EDT Moonrise
Thu -- 11:40 PM EDT 1.97 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 |
| 1.4 | -0 | -1.5 | -2.3 | -2.3 | -1.8 | -1.1 | -0.4 | 0.3 | 1.1 | 1.8 | 2.2 | 2 | 0.9 | -0.7 | -1.9 | -2.3 | -2 | -1.4 | -0.8 | -0.2 | 0.5 | 1.2 | 1.8 |
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