Monday, July6, 2020
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Marine Weather and Tides
Beverly, MA

Version 3.4
NOTICE
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 5:11AMSunset 8:25PM Monday July 6, 2020 5:22 PM EDT (21:22 UTC) Moonrise 9:54PMMoonset 6:24AM Illumination 98% Phase: Waning Gibbous; Moon at 16 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ251 Massachusetts Bay And Ipswich Bay- 415 Pm Edt Mon Jul 6 2020
Tonight..SE winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft.
Tue..SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Tue night..S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Wed..S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Wed night..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Thu and Thu night..S winds 5 to 10 kt. Seas 2 to 3 ft.
Fri through Sat..SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Sat night..SW winds 5 to 10 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 415 Pm Edt Mon Jul 6 2020
Synopsis for massachusetts and rhode island coastal waters.. A stationary frontal boundary sits south of southern new england waters over night. High pressure brief returns for Tuesday, then a warm front lifts from southwest to northeast on Wednesday.
Outlook.. An area of high pressure returns for the second half of the week, this allows for fair conditions. We are watching next weekend for an area of low pressure to move north along the eastern seaboard. 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 Beverly city, MA
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location: 42.54, -70.83     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 062020 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 420 PM EDT Mon Jul 6 2020

SYNOPSIS. A frontal boundary will remain south of New England tonight. Other than an isolated shower or thunderstorm across CT into western-central MA and RI, dry weather prevails tonight. The front remains south of the region Tuesday providing mainly dry weather and temperatures a few degrees cooler than normal. The front finally returns northward as warm front Tuesday night along with scattered showers and possibly a thunderstorm. Very warm, very humid conditions move in for the late week. Showers/thunderstorms will be possible each day with some heavy downpours.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/.

415 PM Update .

Frontal boundary remains south of New England with E-NE flow across the region. This maritime flow has resulted in a temp of 69 in Boston/Logan airport despite SKC. However farther inland this maritime airmass modifies rapidly with distance from the shore with 80 degs at ORH, 84 at WST to 89 at HFD. Still somewhat humid with dew pts in the low to mid 60s. This will lead to a warm evening ahead with low clouds continuing to thin over Cape Cod and the Islands, while CU field over CT/RI and into western-central MA continue decorate the sky.

By 22z some of the Hi Res guidance including HRRR continues to have this CU field develop into scattered showers over CT into western- central MA. Modest MLCAPE of 500-1000 j/kg over this region at the moment but forcing is lacking. However seabreeze tracking north thru CT may be sufficient to provide the necessary low level convergence. Nonetheless given the weak mid level lapse rates, weak forcing and light winds aloft, any updrafts should struggle to reach the -10C isotherm so thinking lightning is a very low risk and could be limited to isolated coverage in CT to western-central MA. If convection fires it would collapse with sunset given weak mid level lapse rates and weak shear.

Otherwise a seasonably mild night with lows 60-65 and with dew pts in the low 60s can't rule out some patchy fog. E-NE winds will become SE as the night progresses. This onshore flow combined with boundary layer cooling should promote low clouds to fill back in across the region overnight.

SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/.

415 PM update .

Tuesday .

Frontal boundary should remain south-southwest of the region thru Tue. This will promote a cooler/stable SE flow into the region which is evident by all models having little to no CAPE across the region tomorrow. Low clouds and fog in the morning should burn off to at least partial sunshine by mid to late morning. However this partial sunshine may fade to increasing mid/high clouds in the afternoon especially across CT as the front begins to return northward as a warm front. Highs Tue mainly in the mid to upper 70s (slightly below normal) and slightly less humid than today with dew pts in the upper 50s to lower 60s.

Tuesday night .

Frontal boundary to the southwest continues lifting northeast as warm front across the region. Expecting scattered showers to develop. Instability aloft and jet dynamics are fairly weak so not expecting much if any thunderstorms, although best chance would be western MA.

Warmer than tonight and more humid with dew pts rising into the mid and upper 60s, yielding patchy fog and possibly some drizzle as well. SE wind becoming south.

LONG TERM /WEDNESDAY THROUGH MONDAY/.

415 PM update .

Mid level flow pattern is expected to remain nearly zonal near the USA/Canada border with a series of low amplitude shortwaves traversing it. A more significant shortwave arriving late this week into this weekend may develop a deep enough mid level trough along the Eastern Seaboard to have implications for our forecast. This mid level trough may linger into early next week. The details through Thursday are moderate confidence, and low confidence from Friday onward.

Temperature-wise, this pattern will mean near to above normal temperatures continue through this portion of the forecast. Persistent S to SW winds will also mean increasing humidity into the oppressive/tropical category for most. Expecting dew points around 70 degrees F most of this time.

This heat and humidity poses a risk for diurnal showers and thunderstorms most days. A more significant rainfall may occur sometime Friday into this weekend. Latest guidance showed a strong signal for a tropical plume of moisture moving towards southern New England. Precipitable water values of 2-3 standard deviations above normal are likely. This means a threat of downpours and possible flooding. Sunday and Monday are difficult, with a nearly stationary front nearby. It will all depend on where this boundary sets up relative to southern New England.

AVIATION /20Z MONDAY THROUGH SATURDAY/. Forecaster Confidence Levels .

Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent.

1830z update .

Thru 00z . moderate to high confidence. MVFR cigs over Cape Cod and Islands continue to slowly erode and lift and should be marginal MVFR/VFR by 21z. Isolated MVFR possible in CT as isolated -SHRA/-TSRA develops after 20z. Otherwise VFR with light NE winds except up to 20 kt Cape Cod and Islands.

Tonight . moderate confidence. VFR to start the evening other than isolated MVFR in -SHRA/-TSRA in CT. This activity will weaken into decaying showers and enter western-central MA and possibly into RI later this evening. The trend should be toward MVFR as the night progresses. Light E-SE winds.

Tuesday . moderate confidence. Mix of MVFR/VFR but mainly dry weather. Isolated shower possible western MA into CT during the afternoon. Light SE winds.

Tuesday night . moderate confidence. VFR/MVFR trending toward MVFR/IFR as scattered showers overspread the region from west to east. Isolated thunder possible. SE winds continue.

KBOS Terminal . high confidence in TAF thru this evening. VFR and onshore flow.

KBDL Terminal . Moderate confidence in TAF. Possible VCTS/TSRA after 20z. Dry after 00z-02z.

Outlook /Wednesday through Saturday/ .

Wednesday: VFR. Chance SHRA.

Wednesday Night through Thursday Night: VFR. Slight chance SHRA.

Friday: Mainly VFR, with areas MVFR possible. Chance SHRA, isolated TSRA.

Friday Night through Saturday: Mainly VFR, with local IFR possible. Chance SHRA, isolated TSRA.

MARINE.

415 PM update .

Tonight . frontal boundary remains south of New England yielding E-NE winds across the MA/RI waters, becoming E-SE overnight. Low clouds and patchy fog invade the waters again mainly after midnight. Other than patchy drizzle, thunderstorms should remain over the NY waters.

Tuesday . Frontal boundary should remain south of New England much of the day with light SE winds across the MA/RI waters. Low clouds and fog will burn off to partial sunshine with improving vsbys. Mainly dry weather prevails other than some patchy drizzle in the morning.

Tuesday night . Frontal boundary begins to lift north as a warm front with scattered showers overspreading the MA/RI waters along with patchy fog and drizzle. Not expecting much if any thunder. SE winds becoming south.

Outlook /Wednesday through Saturday/ .

Wednesday: Winds less than 25 kt. Seas locally approaching 5 ft. Slight chance of rain showers.

Wednesday Night: Winds less than 25 kt. Seas locally approaching 5 ft. Slight chance of rain showers, patchy fog.

Thursday: Winds less than 25 kt.

Thursday Night: Winds less than 25 kt. Slight chance of rain showers.

Friday: Winds less than 25 kt. Areas of seas approaching 5 ft. Chance of rain showers, isolated thunderstorms.

Friday Night through Saturday: Winds less than 25 kt. Areas of rough seas. Chance of rain showers, isolated thunderstorms.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . None.

SYNOPSIS . Belk/Nocera NEAR TERM . Nocera SHORT TERM . Nocera LONG TERM . Belk AVIATION . Belk/Nocera MARINE . Belk/Nocera


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44029 - Buoy A0102 - Mass. Bay/Stellwagen 14 mi79 min ENE 7.8 G 9.7 63°F 2 ft1017.6 hPa
44013 - BOSTON 16 NM East of Boston, MA 16 mi33 min ENE 9.7 G 12 65°F 65°F2 ft1018.3 hPa (-0.3)65°F
BHBM3 - 8443970 - Boston, MA 17 mi53 min 67°F1018.7 hPa
IOSN3 - Isle of Shoals, NH 31 mi83 min SE 9.9 G 11 63°F 1019.2 hPa (+0.0)63°F
BGXN3 - Great Bay Reserve, NH 36 mi98 min ESE 4.1 74°F 1020 hPa64°F
44073 37 mi139 min ESE 9.7 G 9.7 66°F 65°F
44098 - Jeffrey's Ledge, NH (160) 39 mi78 min 64°F3 ft
44018 - SE Cape Cod 30NM East of Nantucket, MA 43 mi33 min NE 7.8 G 9.7 64°F 2 ft1019.7 hPa (+0.3)60°F
44030 - Buoy B0102 - Western Maine Shelf 49 mi79 min SE 7.8 G 9.7 2 ft1026.1 hPa

Wind History for Wells, ME
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beverly, Beverly Municipal Airport, MA6 mi30 minSSE 610.00 miFair73°F62°F69%1018.4 hPa
Boston, Logan International Airport, MA15 mi29 minE 1110.00 miA Few Clouds67°F60°F79%1019.8 hPa
Lawrence Municipal Airport, MA20 mi29 minE 610.00 miFair75°F55°F52%1019.6 hPa

Link to 5 minute data for KBVY

Wind History from BVY (wind in knots)
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Last 24hrSE9SE9SE4SE4N4N14
G18
CalmNW3N4CalmCalmCalmN7N6N4NE6NE8NE5NE9NE8NE7E6NE8SE6
1 day agoSE9SE8SE5SE6SE7SE6SE4SE4SE3SE3CalmSE3S3SW5CalmCalmW3Calm35SE6SE9SE9SE10
2 days agoNE8NE6N7NE7N7NE5N7N5N6N7N5N5N6N4N5N5N6N6W3SE7SE11SE9SE8SE11

Tide / Current Tables for Marblehead, Massachusetts
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Marblehead
Click for Map
Mon -- 12:19 AM EDT     10.78 feet High Tide
Mon -- 05:13 AM EDT     Sunrise
Mon -- 06:24 AM EDT     Moonset
Mon -- 06:42 AM EDT     -0.97 feet Low Tide
Mon -- 01:01 PM EDT     9.21 feet High Tide
Mon -- 06:49 PM EDT     0.29 feet Low Tide
Mon -- 08:23 PM EDT     Sunset
Mon -- 09:53 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.710.59.16.94.11.3-0.6-0.90.11.94.36.88.69.28.77.25.12.70.80.31.23.15.37.8

Tide / Current Tables for Marblehead Channel, Massachusetts Current
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Marblehead Channel
Click for Map
Mon -- 01:11 AM EDT     -0.00 knots Slack
Mon -- 05:13 AM EDT     Sunrise
Mon -- 05:24 AM EDT     -0.48 knots Max Ebb
Mon -- 06:24 AM EDT     Moonset
Mon -- 07:41 AM EDT     0.00 knots Slack
Mon -- 11:01 AM EDT     0.46 knots Max Flood
Mon -- 01:48 PM EDT     -0.00 knots Slack
Mon -- 05:52 PM EDT     -0.42 knots Max Ebb
Mon -- 07:59 PM EDT     0.00 knots Slack
Mon -- 08:22 PM EDT     Sunset
Mon -- 09:53 PM EDT     Moonrise
Mon -- 11:18 PM EDT     0.45 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30-0.2-0.3-0.4-0.5-0.5-0.20.10.30.40.50.40.2-0-0.2-0.3-0.4-0.4-0.300.30.40.4

Weather Map
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wmap_A
GEOS Local Image of Northeast    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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Boston, MA (17,4,5,8)
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Ground Weather Radar Station Boston, MA
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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 numerous 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.