West Dennis, MA Marine Weather and Tide Forecast
L-36.com
Top   Marine   7-Day   NWS   Buoy   Airport   Tide   Map   GEOS   Radar   TAF  

Marine Weather and Tide Forecast for West Dennis, MA

June 18, 2024 2:51 AM EDT (06:51 UTC) Change Location
Sunrise 5:04 AM   Sunset 8:20 PM
Moonrise 5:15 PM   Moonset 2:21 AM 
  Print   HELP   Reset   Save   Recall  New
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
    EDIT      HIDE   Help
ANZ232 Nantucket Sound- 104 Am Edt Tue Jun 18 2024

Rest of tonight - SW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: sw 2 ft at 4 seconds and se 1 foot at 7 seconds.

Tue - SW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: sw 2 ft at 4 seconds and se 1 foot at 12 seconds.

Tue night - SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: sw 2 ft at 4 seconds and se 1 foot at 11 seconds.

Wed - SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: sw 2 ft at 3 seconds and S 1 foot at 4 seconds.

Wed night through Thu night - SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: sw 3 ft at 4 seconds and S 2 ft at 4 seconds.

Fri through Sat night - S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: sw 2 ft at 5 seconds and se 1 foot at 8 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 104 Am Edt Tue Jun 18 2024

Synopsis for massachusetts and rhode island coastal waters - High pres remains anchored over the far eastern outer waters through the rest of the workweek. This will maintain ssw wind gusts 20-25 knots on most waters through the workweek. Dry weather is expected until later Fri.


7 Day Forecast for Marine Location Near West Dennis, MA
   Hourly   EDIT   Help   Map   HIDE
NEW! Add second zone forecast


Area Discussion for - Boston, MA
      HIDE   Help   
NOTE: mouseover dotted underlined text for definition
FXUS61 KBOX 180552 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 152 AM EDT Tue Jun 18 2024

SYNOPSIS
Dangerous heat and humidity arrive Tuesday away from the south coast and then peaks in the Wednesday through Friday time frame. Near to record breaking high temperatures are possible.
The main threat for scattered showers and thunderstorms will be Friday into the weekend, but specific timing remains uncertain.
We do expect the excessive heat to break this weekend, but it will remain very warm and humid.

NEAR TERM /UNTIL 6 AM THIS MORNING/

2 AM update...

Convection/showers to our west across central PA/NY continue to weaken with cloud tops warming, in response to mid/upper level ridge building across the area and boundary layer stabilizing.
Thus, not expecting this activity to impact SNE early this morning. A warmer night ahead than previous nights, with lows in the 60s. Although, humidity not oppressive with dew pts only in the upper 50s and lower 60s. Could be some patchy fog along the south coast, where surface dew pts and cooler SSTs are within a few degs of each other. Otherwise, a tranquil, warm June overnight.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM WEDNESDAY/

Tuesday...

* Dangerous heat and humidity ramps up away from the south coast * Low risk for an isolated t-storm in the interior

Very anomalous upper level ridge builds over New Eng. In fact, 500 mb heights are maxed out for this time of year relative to CFSR climatology. 925 mb temps increase to 24-26C in the interior which will translate to highs low-mid 90s away from the south coast with hottest temps in the CT and Merrimack valleys. SW flow will keep it cooler across RI and SE MA with highs mainly mid-upper 80s while the immediate south coast and Cape/Islands will be upper 70s to lower 80s. Dewpoints will be climbing into the mid-upper 60s with some 70 degree dewpoints in the CT and Merrimack valleys where heat indices are expected to reach the low 100s. Elsewhere, away from the south coast heat indices will reach mid-upper 90s. We converted the Excessive Heat Watches for Tue to heat advisories and we trimmed the heat advisory across much of RI and SE MA where heat advisories will fall short of criteria.

The heat and humidity will result in moderate instability developing with SBCAPES 1000-2000 J/kg. However, forcing is rather weak with ridging in place and there may be a cap in place. HRRR max updraft forecast is suggesting isolated to widely scattered convection developing in the afternoon/evening across interior MA so can't rule out a few showers or a t-storm but areal coverage will be limited and any storms will be short lived as deep layer shear is quite low.
Continued slight chc PoPs across interior MA.

Tuesday night...

Any convection will dissipate in the evening, otherwise looking at mainly clear to partly cloudy skies. Lows will be mostly in the mid- upper 60s.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/

Key Points...

* Dangerous Heat & Humidity continues through Fri

* Near Record Highs with Heat Indices from 98 to 106 degrees

* Main threat for scattered showers/t-storms is Fri into the weekend

* Excessive Heat breaks this weekend...but it still will be humid

Details...

We continue to beat the drum regarding an extended stretch of dangerous heat and humidity which will stretch through the end of the week. Guidance continues to be in excellent agreement that the peak of the heat occurs Wednesday and Thursday. Relief won't come quickly, though, as it will be a more gradual easing of high temperatures from Friday to the weekend. The culprit is a very anomalous ridge of high pressure (sinking air which heats the airmass) overhead. In fact, as the previous forecaster mentioned, the magnitude of this ridging (600 dm) is rarely seen in southern New England which signals the potential for record breaking heat.
The forecast hasn't changed much in the last 24 hours, with highs projected to peak on Thursday at or just over 100F in the warmest locations like the CT Valley and Merrimack Valley. Making the situation more dangerous is the moist airmass in place with dewpoints in the upper 60s and low 70s making it feel over 105F in spots. Thus, an Excessive Heat Watch continues for these locations, with a Heat Advisory elsewhere. Don't focus on the headline, however, as it will be dangerously hot regardless. Something that will exacerbate the hazard is that we'll get little relief at night, only cooling off to the upper 60s/low 70s. Expect mostly dry weather for Wed and Thu but a few scattered t-storms are possible.

Friday into the weekend we get a little relief, but the real airmass change won't come until a cold front arrives around Monday night/early Tuesday. That's when dewpoints will finally drop back toward the 50s. In the meantime, ahead of this cold front and its associated shortwave the airmass will remain largely unchanged Sat- Mon with highs in the 80s each day. The approaching shortwave will also increase the chance of showers and thunderstorms each day starting on Friday. Too soon to nail down timing details but unsettled weather looks more likely through Monday.

AVIATION /06Z TUESDAY THROUGH SATURDAY/
Forecast Confidence Levels:

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

06z TAF Update...

Through 12z...High confidence for VFR, light SSW winds 5-10 kt and dry weather.

After 12z...High confidence for VFR, SSW winds 10-15 kt, gusts up to 20 kt at times along the south coast and Islands. Low risk for an isolated shower or T-storm this afternoon across western-central MA. Low to moderate risk of brief seabreeze 15z-19z along eastern MA coast, including KBOS, with winds become SE.

Tuesday night...High confidence for VFR, S-SW winds 5-10 kt along with dry weather.

Wednesday...almost a rinse and repeat forecast, VFR, mainly dry weather along with SW winds 10-15 kt with gusts up to 20 kt at times.

KBOS TAF...High confidence in TAF. Only wrinkle is duration of seabreeze today. Winds remain below 10 kt thru the column until about 18z, then increase steadily after 18z. Hence, a southeast seabreeze likely 15z-19z approximately, then shifting back to SSW thereafter.

KBDL TAF...High confidence in TAF.

Outlook /Wednesday Night through Saturday/...

Wednesday Night through Thursday Night: VFR. Breezy.

Friday through Friday Night: VFR. Chance SHRA, isolated TSRA.

Saturday: VFR. Slight chance SHRA, isolated TSRA.

MARINE
Forecaster Confidence Levels:

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

Today:

Continued clear conditions with increasing southerly winds at 10-15 knots, gusting up to 25 knots across the near shore waters along the south coast. Opted to hoist a short-fused small craft advisory for these waters and seas may be choppy. Seas 2-4 ft

Tonight:

Clear conditions with slowly decreasing southwest winds 10-15 kts. Seas 2-4 ft.

Tomorrow:

Clear conditions with increasing southerly winds gusting 20-25 knots once again. Seas 2-4 ft

Outlook /Wednesday Night through Saturday/...

Tuesday Night: Winds less than 25 kt. Seas locally approaching 5 ft.

Juneteenth: Winds less than 25 kt.

Wednesday Night through Thursday: Winds less than 25 kt. Seas locally approaching 5 ft.

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

Friday through Saturday: Winds less than 25 kt. Slight chance of rain showers, isolated thunderstorms.

CLIMATE
All Time June High Temperature Record (Daily)

BOS - 100 F (06/06/1925, 06/26/1952 and 06/30/2021)
BDL - 100 F (06/26/1952, 06/30/1964)
PVD - 98 F (06/25/1943, 06/15/1945 and 06/30/1945)
ORH - 98 F (06/26/1952)

Most recent day of 100 F (or greater)

BOS - 100 F (07/24/2022)
BDL - 100 F (07/21/2019)
PVD - 100 F (07/28/2020)
ORH - 102 F (07/04/1911)*

* For ORH this is the only 100+ degree day in its period of record.

Daily High Temperature Records...

June 18th

BOS - 94 F (1907 and 1929)
BDL - 95 F (1957 and 1994)
PVD - 94 F (1929)
ORH - 93 F (1907 and 1929)

June 19th

BOS - 96 F (1923)
BDL - 95 F (1995)
PVD - 94 F (1923)
ORH - 93 F (1923)

June 20th

BOS - 98 F (1953)
BDL - 97 F (2012)
PVD - 95 F (1941)
ORH - 93 F (1953)

June 21st

BOS - 96 F (2012)
BDL - 96 F (1953 and 2012)
PVD - 96 F (1941)
ORH - 91 F (Multi-Years)

Daily Warmest Low Temperatures Records...

June 18th

BOS - 72 F (1929)
BDL - 70 F (1905)
PVD - 72 F (1929)
ORH - 69 F (1905 and 1994)

June 19th

BOS - 73 F (1995)
BDL - 72 F (1929)
PVD - 70 F (1995)
ORH - 72 F (1929)

June 20th

BOS - 78 F (1931)
BDL - 74 F (1931)
PVD - 74 F (1931)
ORH - 72 F (1931)

June 21st

BOS - 80 F (2012)
BDL - 73 F (1923 and 2012)
PVD - 75 F (2012)
ORH - 74 F (1923 and 2012)

BOX WATCHES/WARNINGS/ADVISORIES
CT...Air Quality Alert from 11 AM this morning to 11 PM EDT this evening for CTZ002.
Excessive Heat Watch from noon EDT today through Friday evening for CTZ002-003.
Heat Advisory from noon today to 7 PM EDT this evening for CTZ002-003.
Heat Advisory from noon today to 7 PM EDT Friday for CTZ004.
MA...Air Quality Alert from 11 AM this morning to 11 PM EDT this evening for MAZ005>007-010>012.
Excessive Heat Watch from noon EDT today through Friday evening for MAZ003-005-006-010-011-013-014.
Heat Advisory from noon today to 7 PM EDT this evening for MAZ003-005-006-010-011-013-014.
Heat Advisory from noon today to 7 PM EDT Friday for MAZ002- 004-007>009-012-015-016-026.
Heat Advisory from noon Wednesday to 7 PM EDT Friday for MAZ017>019.
RI...Heat Advisory from noon today to 7 PM EDT Friday for RIZ001.
Heat Advisory from noon Wednesday to 7 PM EDT Friday for RIZ002>005.
MARINE...None.




Weather Reporting Stations
   EDIT       HIDE   Help
Stations Dist Age Wind AirWater WavesinHgDewPt
CHTM3 12 mi51 min 84°F 30.19
44020 - NANTUCKET SOUND 13 mi41 minSW 14G16 68°F 67°F30.1965°F
44090 14 mi51 min 63°F2 ft
NTKM3 - 8449130 - Nantucket Island, MA 27 mi51 minSSW 6G9.9 65°F 70°F30.21
BZBM3 - 8447930 - Woods Hole, MA 28 mi51 min 67°F 66°F30.19
44018 - SE Cape Cod 30NM East of Nantucket, MA 37 mi71 min 63°F2 ft
NBGM3 39 mi51 minWSW 8.9G13 67°F 30.20
44085 49 mi51 min 66°F 62°F2 ft
BUZM3 - Buzzards Bay, MA 49 mi51 minSW 15G16 67°F 30.20


Wind History for Nantucket Island, MA
(wind in knots)    EDIT      HIDE   Help
toggle option: (graph/table)



Airport Reports
    EDIT      HIDE   Help   Click EDIT to display multiple airports. Follow links for more data.
Link to 1 hour of 5 minute data for KHYA
   
NEW Forecast page for KHYA


Wind History graph: HYA
(wind in knots)
toggle option: (graph/table)


Tide / Current for South Yarmouth, Bass River, Nantucket Sound, Massachusetts
   
EDIT   Weekend mode (on/off)   HIDE   Help
South Yarmouth
Click for Map
Mon -- 01:58 AM EDT     Moonset
Mon -- 04:05 AM EDT     0.41 feet Low Tide
Mon -- 05:05 AM EDT     Sunrise
Mon -- 10:17 AM EDT     2.49 feet High Tide
Mon -- 04:08 PM EDT     Moonrise
Mon -- 04:15 PM EDT     0.47 feet Low Tide
Mon -- 08:17 PM EDT     Sunset
Mon -- 10:35 PM EDT     2.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

South Yarmouth, Bass River, Nantucket Sound, Massachusetts, Tide feet
12
am
2.2
1
am
1.7
2
am
1.1
3
am
0.6
4
am
0.4
5
am
0.5
6
am
0.8
7
am
1.3
8
am
1.8
9
am
2.2
10
am
2.5
11
am
2.4
12
pm
2.1
1
pm
1.7
2
pm
1.2
3
pm
0.7
4
pm
0.5
5
pm
0.6
6
pm
0.9
7
pm
1.4
8
pm
1.9
9
pm
2.4
10
pm
2.8
11
pm
2.8


Tide / Current for Pollock Rip Channel, Massachusetts Current
   EDIT      HIDE   Help
Pollock Rip Channel
Click for Map
Mon -- 12:17 AM EDT     0.00 knots Slack
Mon -- 01:57 AM EDT     Moonset
Mon -- 03:50 AM EDT     1.74 knots Max Flood
Mon -- 05:05 AM EDT     Sunrise
Mon -- 06:51 AM EDT     -0.00 knots Slack
Mon -- 09:32 AM EDT     -1.38 knots Max Ebb
Mon -- 12:34 PM EDT     0.00 knots Slack
Mon -- 04:07 PM EDT     Moonrise
Mon -- 04:07 PM EDT     1.73 knots Max Flood
Mon -- 07:07 PM EDT     -0.00 knots Slack
Mon -- 08:16 PM EDT     Sunset
Mon -- 09:55 PM EDT     -1.55 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Pollock Rip Channel, Massachusetts Current, knots
12
am
-0.2
1
am
0.6
2
am
1.2
3
am
1.6
4
am
1.7
5
am
1.5
6
am
0.8
7
am
-0.1
8
am
-0.9
9
am
-1.3
10
am
-1.3
11
am
-1
12
pm
-0.4
1
pm
0.3
2
pm
1.1
3
pm
1.5
4
pm
1.7
5
pm
1.6
6
pm
1
7
pm
0.1
8
pm
-0.8
9
pm
-1.4
10
pm
-1.6
11
pm
-1.4


Weather Map
      HIDE   Help


GEOS Local Image of Northeast   
EDIT   HIDE



Boston, MA,




NOTICE: Some pages have affiliate links to Amazon. As an Amazon Associate, I earn from qualifying purchases. Please read website Cookie, Privacy, and Disclamers by clicking HERE. To contact me click HERE. For my YouTube page click HERE