Sagamore, MA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Sagamore, MA

May 16, 2024 11:53 AM EDT (15:53 UTC) Change Location
Sunrise 5:18 AM   Sunset 7:57 PM
Moonrise 1:14 PM   Moonset 2:21 AM 
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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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ANZ231 Cape Cod Bay- 1004 Am Edt Thu May 16 2024

.small craft advisory in effect until 8 pm edt this evening - .

This afternoon - NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: se 3 ft at 9 seconds and E 2 ft at 3 seconds. Rain. Vsby 1 to 3 nm.

Tonight - NE winds 10 to 15 kt. Gusts up to 25 kt in the evening. Seas 2 to 3 ft. Wave detail: se 3 ft at 9 seconds and E 3 ft at 9 seconds. A chance of rain in the evening.

Fri - NE winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: se 3 ft at 9 seconds and N 1 foot at 3 seconds.

Fri night - NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 9 seconds and ne 1 foot at 3 seconds.

Sat and Sat night - NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 9 seconds and N 1 foot at 3 seconds.

Sun through Mon night - S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 8 seconds and ne 1 foot at 2 seconds.
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 1004 Am Edt Thu May 16 2024

Synopsis for massachusetts and rhode island coastal waters - Low pres off of the new jersey coast will move slowly southeast through today, bringing a period of enhanced E to ene winds to the waters today and tonight. High pres then builds in from atlantic canada into southern new england Fri into the weekend. This high pres then remains in place into early next week.


7 Day Forecast for Marine Location Near Sagamore, MA
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Area Discussion for - Boston, MA
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FXUS61 KBOX 161441 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1041 AM EDT Thu May 16 2024

SYNOPSIS

Moderate to heavy rainfall gradually wanes this afternoon giving way to a dry end to the week. Onshore flow will keep temperatures in check along the coast. The weekend features generally dry weather and onshore breezes, but still a good amount of cloud cover. Warming trend then develops Monday through Wednesday, and we could see a couple days of high temperatures in the low 80s over interior sections of Southern New England. After today, our next chance for rains may not develop until later next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/

1030 AM Update...

Made some adjustments to increase our wind speeds/gusts, QPF amounts and PoPs in the latest update. Did this to better align with current observations. Have leaned heavily toward the latest HRRR/FV3 guidance as it is doing well based on observations. Should see this mesoscale band gradually collapse as we head into the afternoon as the low rotating south of our region continues to push further offshore. Still have a 30-40 kt easterly low level jet in place, which will bring some 25-30 mph gusts into the afternoon. Should see those strongest gusts along the immediate south coast/Nantucket.

710 AM Update:

Much of Southern New England seeing rain of varying intensity.
The heaviest seems to be centered in eastern CT, northern and central RI into south coastal MA where a nearly stationary band of rain, associated with strong moisture convergence, is producing hourly rain rates of about a half-inch per hour. More broadly speaking, most of Washington County RI saw rain totals that were in excess of 3 inches over the last 12 hours, and Westerly observed hourly rain rates nearly an inch an hour. It looks like per pretty strong agreement in hi-res guidance that this band of steady and at times heavy rains will remain quasi- stationary over the next 2 to 3 hours, which has prompted an areal flood warning mostly for urban and poor drainage hydro problems particularly for the Providence, Fall River and New Bedford areas. More or less just nowcasted the existing band of steady rains in the zone forecast by bumping QPF upward in eastern CT, northern and central RI and southeastern MA. We should see this rain band fracture/fall apart as we move into the early afternoon, with a general decrease in rain intensity toward more intermittent showers elsewhere. Will continue to monitor trends for possible additional areal flood warnings, but we also will be considering river flood warnings for along- river-channel flooding, particularly in the Pawtuxet, Pawcatuck, Shetucket and Quinebaug basins.

Previous discussion:

Low pressure south of southern New England will continue to bring widespread moderate, to at times heavy, rain to the region this morning. Even in the immediate term, guidance remains quite jumpy in the placement of the axis of heaviest precipitation as well as how much additional rain can be expected to fall, with the hourly HRRR forecast continuing to shift eastward with each subsequent run.
Overnight, the heaviest rain blossomed across Connecticut where, as of 7Z, 6 hour QPF approached 1.5". Hi-res guidance continues to depict a developing line of moderate to heavy rainfall that will pivot from the south coast into southeast MA and RI through the morning commute, with the beginning stages of this line, capable of 1 inch per hour rainfall rates, already present on radar, moving north from the Westerly/south Coast area early this morning. The greatest period of concern for inch per hour rainfall rates is from now through about 14Z, which, if located over highly urbanized locations, could continue to heighten concerns over minor urban and poor drainage flooding.
Fortunately, the heaviest rain overnight fell across more rural parts of the region which combined with a lull in precip intensity over much of RI and SE MA has mitigated flooding threats thusfar. Some modest river rises have been observed on small rivers and streams across far southern New England, but all forecast points remain below action stage as of this writing.

In terms of additional precipitation, additional QPF amounts will be highly dependent convective elements making their way onshore, with just isolated lightning pulses currently offshore, and moisture enhancement along the the LLJ, generally draped south of the I-90 corridor; with bets hedged towards the influence of the latter being greater. Given higher than average uncertainty in the hi- resolution guidance, heavily relied on ensemble probabilities and mean HRRR QPF to derive this morning's expected rainfall, with both pointing to an max of around 1-2", locally higher pockets, of additional rainfall across SE MA/RI.
Much lower amounts will fall, to as little as a tenth of an inch of additional QPF, across far northern MA.

Low pressure peaks in proximity to the region this morning before gradually drawing southward through the afternoon, pulling the precipitation shield along with it. Rain will become more showery in nature after the lunch hour before coming to an end, from north to south, through sunset this evening.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/

Low pressure continues to work south and east of the region overnight, which will yield clearing skies and dry conditions. Given residual moisture and slackening winds, as LLJ accompanies the departing low, some patchy fog is possible. We wont see much of an airmass change, so dewpoints will remain the driving force in keeping low temperatures seasonable for mid-May, in the low 50s region wide.

Friday is shaping up to be a dry and pleasant day as mid level ridging builds into southern New England. Any low cloud/stratus that forms overnight will burn off, yielding a mix of clouds and sun.
High temperatures have a "boom or bust potential" given persistent onshore flow and lackluster temps aloft, around 10-11C at 925mb.
There remains uncertainty in how far inland the "sea breeze", or rather, synoptic E/ENE flow will influence afternoon temperatures, but it will certainly be another significant temperature gradient day with highs warming into the 70s across the CT River Valley and struggling to warm into the 60s along the eastern coastline.

LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/

Highlights:

* Other than a spot shower, mainly dry weather prevails with partly to mostly cloudy conditions, along with onshore breezes this weekend.

* Warming trend Mon through Wed, with less cloud cover. Could see a couple days of highs in the lower 80s inland.

Details:

Today's global model ensembles from the 00z cycle have trended the forecast in a more optimistic direction, as a closed upper level circulation initially over the western Appalachians becomes parked over the mid-Atlantic/Chesapeake Bay vicinity this weekend.
Surface ridge stretching from Nova Scotia southwestward through Southern New England is progged to remain in place for several days, at least into the early to midweek timeframe. In addition, there continues to be indications of a warming trend to temperatures by the early to mid next week period as 500 mb shortwave ridge extends into Southern New England. These were trends noted over the last day or two and there is now a greater degree of agreement on this anticipated warming trend Monday thru Wednesday. Other than a couple hit or miss showers, drier weather looks to predominate; we may not see widespread rains develop until late next week.

The Weekend:

Surface ridge of high pressure extending in from Atlantic Canada will maintain onshore breezes. While generally dry, there should be still a good amt of cloud cover around with partly to mostly cloudy sky conditions. Expect high temperatures to be coolest near the coast given the cooler onshore flow, in the upper 50s to lower 60s.
High temperatures further inland still project considerably warmer, but how warm they get will depend on if we can see any cloudy breaks/stronger heating; offered highs well into the 60s to the lower 70s, but there is room for warmer temperatures if we see less cloud cover than anticipated.

Monday through Wednesday:

High pressure still governs at the surface, but we'll be adding 500 mb height rises. 850 mb temps warm to the +10 to +12C neighborhood and with less cloud cover, highs inland could be pushing into the lower 80s, with mid 60s to mid 70s in the coasts and the immediate coastal plain with potential for seabreezes to develop.

AVIATION /15Z THURSDAY THROUGH MONDAY/

Forecast Confidence Levels:

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

12z TAF Update:

Today: Moderate confidence.

Widespread rain, heavy at times south of the MA Turnpike through at least the lunch hour with lingering showers through 00Z this evening. Generally IFR with pockets of MVFR improving to MVFR and VFR by late this afternoon and evening as rain comes to an end; improvement occurring from north to south as low pressure pulls south. Breezy conditions, especially for terminals in RI and SE MA, with E/ENE winds gusting to as high as 25kt. LLWS may be an issue for the Cape and Islands.

Tonight: Moderate confidence.

Latest guidance trends indicate ceilings either continuing or returning to IFR levels with stratus, with more optimistic MVFR type bases for BAF/BDL. Could also see fog/stratus although ENE winds may keep visbys to no worse than 1 mile. Winds ENE around 5 to 10kt.

Friday...

Widespread VFR after any AM fog burns off. Dry, E/NE winds gusting to around 15kt.

KBOS TAF...Moderate confidence in TAF. MVFR/intervals IFR ceilings with MVFR visby RA thru 18z. NE winds around 15 kt.
Rain then turns more spotty/intermittent after 18z, although latest indications are that stratus at IFR levels returns on continued NE winds with speeds 5-10 kt. Little optimism for improvement until Friday morning.

KBDL TAF...Moderate confidence in TAF. MVFR ceilings this morning with light SHRA, then gradually improving to VFR this evening. VFR persists through Friday once it develops with the exception of perhaps some early am IFR due to Fog on Friday.
Rain, moderate to heavy at times, becoming more scattered after 16Z. E/ENE winds 15-20kt diminishing to around 5kt overnight.

Outlook /Friday Night through Monday/...

Friday: VFR. Breezy.

Friday Night through Sunday: VFR.

Sunday Night: Mainly VFR, with local IFR possible.

Monday: VFR.

MARINE

Forecaster Confidence Levels:

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

2 AM Update...

Today...High confidence.

E/ENE winds 15-25 kts, gusts 20-30 kts possible. Areas of rough seas with rain. Could still see some embedded thunderstorms across the southern waters through the first half of the day.
Rain tapering off from north to south across the eastern waters during the afternoon.

Tonight...High confidence. Rain tapering off across the southern waters north to south as the night progresses. Winds ENE to NE at 10-20 kts with gusts 15-20 kts gradually easing through Friday morning. Winds should preclude widespread fog/stratus formation but some pockets of fog may form by sunrise.

Friday... High Confidence.

Any pockets of fog will burn off quickly Friday morning. Dry with E/ENE winds gusting 15-20kt. Residual high seas resulted in the extension of outer water small craft advisories through the period.

Outlook /Friday Night through Monday/...

Friday: Winds less than 25 kt. Local rough seas.

Friday Night through Monday: Winds less than 25 kt. Seas up to 5 ft.

BOX WATCHES/WARNINGS/ADVISORIES
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory until 8 PM EDT this evening for ANZ231- 233-234.
Small Craft Advisory until 11 PM EDT this evening for ANZ232- 235>237.
Small Craft Advisory until 8 PM EDT Friday for ANZ254>256.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
44090 12 mi53 min 54°F 53°F2 ft
BZBM3 - 8447930 - Woods Hole, MA 22 mi53 min 58°F 55°F29.74
NBGM3 24 mi53 min E 7G16 58°F 29.77
44020 - NANTUCKET SOUND 27 mi43 min ENE 23G27 55°F 55°F29.7255°F
44018 - SE Cape Cod 30NM East of Nantucket, MA 33 mi73 min 51°F3 ft
CHTM3 33 mi53 min 53°F 55°F29.78
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 34 mi53 min ENE 11G15 60°F 29.76
FRVM3 - 8447386 - Fall River, MA 34 mi53 min 60°F 55°F29.78
FRXM3 35 mi53 min 60°F 59°F
44013 - BOSTON 16 NM East of Boston, MA 36 mi43 min NE 12G14 53°F 52°F29.8652°F
BUZM3 - Buzzards Bay, MA 39 mi53 min ENE 24G26 56°F 29.74
44085 40 mi53 min 55°F 51°F6 ft
CPTR1 - 8452944 - Conimicut Light, RI 43 mi53 min NNE 15G19 59°F 59°F29.76
PRUR1 43 mi53 min 59°F 58°F
NAXR1 - Narragansett Bay Reserve, RI 44 mi68 min SE 8.9 58°F 29.7758°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 44 mi53 min E 8G12 59°F 29.78
PVDR1 44 mi53 min NE 9.9G15 60°F 29.7959°F
BHBM3 - 8443970 - Boston, MA 45 mi53 min 56°F 29.85
FOXR1 - 8454000 - Providence, RI 45 mi53 min NE 9.9G15 59°F 55°F29.78
NTKM3 - 8449130 - Nantucket Island, MA 45 mi53 min E 20G27 56°F 58°F29.73
NWPR1 - 8452660 - Newport, RI 47 mi53 min ENE 13G18 59°F 53°F29.75
44029 - Buoy A0102 - Mass. Bay/Stellwagen 48 mi109 min NE 14G16 54°F 52°F3 ft29.84
PDVR1 48 mi53 min NNE 8.9G15 60°F 29.7558°F
QPTR1 - 8454049 - Quonset Point, RI 48 mi53 min NE 15G17 59°F 29.76


Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KPYM PLYMOUTH MUNI,MA 11 sm18 minNE 10G212 smOvercast Lt Rain Mist 55°F54°F94%29.80
KFMH CAPE COD COAST GUARD AIR STATION,MA 12 sm57 minENE 12G183 sm-- Lt Rain Mist 57°F57°F100%29.76
KHYA BARNSTABLE MUNIBOARDMAN/POLANDO FIELD,MA 18 sm57 minE 12G231/4 smOvercast Lt Rain Mist 57°F55°F94%29.74
KGHG MARSHFIELD MUNI GEORGE HARLOW FIELD,MA 20 sm18 minNE 09G141/4 smOvercast Mist 54°F54°F100%29.83
KEWB NEW BEDFORD RGNL,MA 24 sm60 minNE 12G172 smOvercast Lt Rain Mist 61°F59°F94%29.76
KPVC PROVINCETOWN MUNI,MA 24 sm57 minE 11G164 smOvercast Lt Rain Mist 54°F54°F100%29.83
Link to 5 minute data for KPYM


Wind History from PYM
(wind in knots)
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Tide / Current for Cape Cod Canal, Bournedale, Massachusetts
   
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Cape Cod Canal
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Thu -- 12:00 AM EDT     1.45 feet Low Tide
Thu -- 02:21 AM EDT     Moonset
Thu -- 05:20 AM EDT     Sunrise
Thu -- 06:08 AM EDT     5.89 feet High Tide
Thu -- 12:38 PM EDT     0.98 feet Low Tide
Thu -- 01:13 PM EDT     Moonrise
Thu -- 06:52 PM EDT     5.62 feet High Tide
Thu -- 07:56 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cape Cod Canal, Bournedale, Massachusetts, Tide feet
12
am
1.4
1
am
1.7
2
am
2.4
3
am
3.4
4
am
4.5
5
am
5.5
6
am
5.9
7
am
5.7
8
am
5.1
9
am
4.1
10
am
3
11
am
1.9
12
pm
1.1
1
pm
1
2
pm
1.5
3
pm
2.3
4
pm
3.4
5
pm
4.6
6
pm
5.4
7
pm
5.6
8
pm
5.3
9
pm
4.6
10
pm
3.7
11
pm
2.6


Tide / Current for Cape Cod Canal, Massachusetts Current
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Cape Cod Canal
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Thu -- 01:30 AM EDT     3.23 knots Max Flood
Thu -- 02:21 AM EDT     Moonset
Thu -- 04:43 AM EDT     -0.14 knots Slack
Thu -- 05:21 AM EDT     Sunrise
Thu -- 07:38 AM EDT     -3.84 knots Max Ebb
Thu -- 10:54 AM EDT     0.02 knots Slack
Thu -- 01:14 PM EDT     Moonrise
Thu -- 02:16 PM EDT     3.64 knots Max Flood
Thu -- 05:39 PM EDT     -0.18 knots Slack
Thu -- 07:57 PM EDT     Sunset
Thu -- 08:16 PM EDT     -3.58 knots Max Ebb
Thu -- 11:31 PM EDT     0.16 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cape Cod Canal, Massachusetts Current, knots
12
am
2.8
1
am
3.2
2
am
3.2
3
am
2.9
4
am
2.1
5
am
-1.4
6
am
-3
7
am
-3.7
8
am
-3.8
9
am
-3.4
10
am
-2.4
11
am
0.7
12
pm
2.6
1
pm
3.4
2
pm
3.6
3
pm
3.6
4
pm
3.2
5
pm
2.2
6
pm
-1.6
7
pm
-3.1
8
pm
-3.6
9
pm
-3.4
10
pm
-2.9
11
pm
-1.7


Weather Map
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GEOS Local Image of north east   
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Boston, MA,




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