Alert archive / Massachusetts / High Surf Advisories in 2017

High Surf Advisory 7, NWS Boston/Norton, MA

September 16, 2017Bristol County, Dukes County, Nantucket County, Massachusetts; Newport County, Washington County, Rhode Island

NWS Boston/Norton, MA issued this high surf advisory at Sep 16, 2017, 2:54 PM EDT for Bristol County, Dukes County, Nantucket County, Massachusetts; Newport County, Washington County, Rhode Island. It took effect at Sep 17, 2017, 7:00 AM EDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2017, 2:54 PM EDT (18:54 UTC)
In effect from
Sep 17, 2017, 7:00 AM EDT
Expired
Sep 18, 2017, 4:22 PM EDT
In force
33 hr
Issued by
NWS Boston/Norton, MA

Counties Bristol County, MA, Dukes County, MA, Nantucket County, MA, Newport County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 57 km from the middle of the area, began a volume at 18:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 6.9 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2017-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2017-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

154 
WHUS41 KBOX 161854
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
254 PM EDT SAT SEP 16 2017

MAZ020-023-024-RIZ006>008-170330-
/O.NEW.KBOX.SU.Y.0007.170917T1100Z-170918T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
254 PM EDT SAT SEP 16 2017

...HIGH SURF ADVISORY IN EFFECT FROM 7 AM TO 8 PM EDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 8 PM EDT SUNDAY.

* LOCATION...SOUTH FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...SUNDAY.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH
  COAST...AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

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WWW.FACEBOOK.COM/NWSBOSTON

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@NWSBOSTON
7 follow-up statements
625 
WHUS41 KBOX 170315
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1115 PM EDT SAT SEP 16 2017

MAZ020-023-024-RIZ006>008-171130-
/O.CON.KBOX.SU.Y.0007.170917T1100Z-170918T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
1115 PM EDT SAT SEP 16 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM TO 8 PM EDT
SUNDAY...

* LOCATION...SOUTH FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...SUNDAY.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM 
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH 
  COAST... AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
897 
WHUS41 KBOX 170851
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
451 AM EDT SUN SEP 17 2017

MAZ020-023-024-RIZ006>008-171700-
/O.CON.KBOX.SU.Y.0007.170917T1100Z-170918T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
451 AM EDT SUN SEP 17 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* LOCATION...SOUTH FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...TODAY.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM  
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH 
  COAST...AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
058 
WHUS41 KBOX 171521
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1121 AM EDT SUN SEP 17 2017

MAZ020-023-024-RIZ006>008-172330-
/O.EXT.KBOX.SU.Y.0007.000000T0000Z-170919T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
1121 AM EDT SUN SEP 17 2017

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT MONDAY...

* LOCATION...SOUTH FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...THROUGH MONDAY.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH 
  COAST...AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
470 
WHUS41 KBOX 172135
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
535 PM EDT SUN SEP 17 2017

MAZ020-023-024-RIZ006>008-180545-
/O.CON.KBOX.SU.Y.0007.000000T0000Z-170919T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
535 PM EDT SUN SEP 17 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* LOCATION...SOUTH FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...THROUGH MONDAY.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM 
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH 
  COAST... AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
056 
WHUS41 KBOX 180840
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
440 AM EDT MON SEP 18 2017

MAZ020-023-024-RIZ006>008-190000-
/O.CON.KBOX.SU.Y.0007.000000T0000Z-170919T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
440 AM EDT MON SEP 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* LOCATION...SOUTH-FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...THROUGH TODAY.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH COAST...
  AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
777 
WHUS41 KBOX 181405
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1005 AM EDT MON SEP 18 2017

MAZ020-023-024-RIZ006>008-182215-
/O.CON.KBOX.SU.Y.0007.000000T0000Z-170919T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
1005 AM EDT MON SEP 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* LOCATION...SOUTH-FACING BEACHES ALONG THE SOUTH COAST OF RHODE 
  ISLAND AND MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHAS 
  VINEYARD AND NANTUCKET.

* TIMING...THROUGH THIS EVENING.

* SURF AND RIP CURRENT RISK...INCREASING SOUTH SWELL FROM 
  HURRICANE JOSE WILL RESULT IN HIGH SURF ALONG THE SOUTH 
  COAST... AS WELL AS DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
351 
WHUS41 KBOX 182022
CFWBOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
422 PM EDT MON SEP 18 2017

MAZ020-023-024-RIZ006>008-182130-
/O.CAN.KBOX.SU.Y.0007.000000T0000Z-170919T0000Z/
SOUTHERN BRISTOL MA-DUKES MA-NANTUCKET MA-WASHINGTON RI-
NEWPORT RI-BLOCK ISLAND RI-
422 PM EDT MON SEP 18 2017

...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE HIGH
SURF ADVISORY.

TROPICAL STORM WARNINGS NOW COVER THE HIGH SURF THREAT.

$$

MAZ007-190430-
/O.NEW.KBOX.SU.Y.0008.170919T0900Z-170921T0600Z/
EASTERN ESSEX MA-
422 PM EDT MON SEP 18 2017

...HIGH SURF ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 2 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT FROM 5 AM TUESDAY TO 2 AM EDT
THURSDAY.

* LOCATION...COASTAL ESSEX COUNTY IN MASSACHUSETTS.

* TIMING...EARLY TUESDAY MORNING THROUGH EARLY THURSDAY MORNING.

* SURF AND RIP CURRENT RISK...INCREASING SWELLS FROM JOSE WILL
  RESULT IN HIGH SURF ALONG THE NORTHEASTERN MASSACHUSETTS
  COASTLINE.  THIS WILL ALSO LEAD TO DANGEROUS RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A
STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE
SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER...AND
EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT.

IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL...THEN SWIM BACK TO
SHORE. ANOTHER MEANS OF ESCAPE FOR GOOD SWIMMERS IS TO RIDE THE
CURRENT OUT UNTIL IT DISSIPATES...THEN SWIM BACK TO SHORE OUTSIDE
OF THE RIP CURRENT.

DO NOT ATTEMPT TO SWIM DIRECTLY INTO THE RIP CURRENT...IT CAN
EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER.

HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED
BEACHES. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES...WHERE
RIP CURRENTS CAN BE ENHANCED.

IN ADDITION...VIEWERS OF LARGE SURF SHOULD STAY IN SAFE AREAS
WELL AWAY FROM POSSIBLE SPLASHOVER. INDIVIDUAL WAVES MAY BE MORE
THAN TWICE THE AVERAGE WAVE HEIGHT...WHICH CAN SWEEP A PERSON
INTO THE WATER FROM WHAT MAY SEEM TO BE A SAFE VIEWING AREA.
FALLING INTO TURBULENT AND SOMETIMES ROCKY WATERS CAN RESULT IN
INJURY THAT REDUCES THE CHANCE OF SURVIVAL.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this high surf advisory went out at Sep 16, 2:03 PM EDT, 51 minutes earlier.

Area forecast discussion, Sep 16, 2:03 PM EDT, 51 minutes before
Area Forecast Discussion
National Weather Service Taunton MA
203 PM EDT Sat Sep 16 2017

.SYNOPSIS...
Mainly dry and warm/humid weather is expected this weekend, but
a few isolated showers or a thunderstorm can not be ruled out
both days. Hurricane Jose will bring high surf and dangerous rip
currents this weekend into the middle of next week. Wind and
rain effects are possible, especially across Cape Cod and the
Islands. But the full extent of those impacts and their timing
remains dependent on the uncertain storm track. High pressure
then builds over the region with drier and seasonable weather
Thursday and Friday.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
2 PM update...
Stratus and fog has eroded for the most part with sct-bkn cu
developing, but low clouds still lingering across portions of
Cape Cod. There may be a short window for partial clearing on
the Cape before clouds fill back in by late afternoon.

Scattered showers have developed across SE NY within instability
axis of SBCAPES 1000+ J/kg. Higher instability extends east into
western MA and northern CT so still can't rule out a few showers
or an isold t-storm in this region. Given weak wind fields and
high PWATs, there is a low risk for locally heavy rainfall.

Highs should reach upper 70s to lower 80s. Sea breezes will
keep it cooler along the immediate coast. Humid airmass with
dewpoints in the mid/upper 60s.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/...
Tonight...

Any leftover showers across N CT/W RI will dissipate by 02Z,
otherwise expect dry conditions. Otherwise, expect mainly dry
conditions. However, areas of fog and low clouds move into
coastal areas and will likely redevelop across the normally
prone inland valleys as dewpoints remain in the lower-mid 60s.
May need dense fog headlines again for some areas. Another humid
night with temps falling back to the upper 50s to lower 60s.

Sunday...

A near repeat of today as H5 W-E elongated short wave/vorticity
max lingers across N CT/RI into SE Mass as it remains parallel
to the upper flow. So, could see another shot for isolated
showers or even a thunderstorm during the afternoon across N CT
and W RI. Have kept POPs in the slight chance range. Temps will
again rise to the 70s to lower 80s.

&&

.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
16/00Z guidance suite has come into better agreement with the
handling of Jose through Monday. The CMC remains the fastest and
farthest north, while the GFS and ECMWF are quite close. GFS
remains the model keeping Jose the strongest through Monday, but
still appears to be a bit too strong.

Beyond Monday, 00Z guidance suite seems to have latched onto
the idea of Jose eventually turning to the right, even in the
ensembles. The question which remains to be answered is: how
soon? That very important question is why there is low
confidence in the details of the forecast Monday night into
Wednesday. Southern New England still looking at the possibility
of a landfalling tropical cyclone, to a near miss southeast of
Nantucket.

Moderate confidence in the forecast for the end of next week.
Once Jose moves away from our region, we should see a high
pressure build south from eastern Canada.

Near to slightly below normal temperatures expected much of
next week.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
Forecaster Confidence Levels...

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

Short Term /through Sunday night/...

Through 00z...Mainly VFR, but areas of MVFR/IFR stratus
lingering on Cape Cod. Stratus and fog lurking over the waters
may expand across the islands toward 00z.

Tonight through Sunday night...High confidence in trends. Lower
confidence in timing. Expect stratus and fog to redevelop
across much of SNE tonight with IFR/LIFR conditions. Improving
conditions to VFR by late Sunday morning or early afternoon,
then lowering back to IFR/LIFR Sunday night. Light winds with
weak coastal sea breezes.

KBOS Terminal...High confidence in trends. Lower confidence in
timing. IFR/LIFR stratus and fog likely redevelops tonight.

KBDL Terminal...High confidence in trends. Lower confidence in
timing. IFR conditions likely redevelop tonight.

Outlook /Monday through Wednesday/...

Monday...High confidence.

VFR. Patchy MVFR/IFR in fog and low clouds early Monday
morning. Chance of MVFR cigs in widely scattered showers Monday
afternoon. MVFR cigs/vsbys may reach the south coast Monday
night, depending on the track and speed of Hurricane Jose.

Tuesday-Wednesday...Low confidence.

MVFR with areas of IFR in low clouds/rain/fog. Potential for NE
winds at 35-40 kt. Poor visibility on Cape and Islands in rain
and fog. Conditions are dependent on the track and speed of
Hurricane Jose. Some improvement possible from west to east
Wednesday afternoon.

&&

.MARINE...
Forecaster Confidence Levels...

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

Short Term /through Sunday/...

Through Today...High confidence.
Expect light winds with seas 4 ft or less. Areas of low clouds
and dense fog across most of the coastal waters with visibility
at or below 1/2 mile. Conditions may slowly improve by around
12Z-14Z across the near shore waters, with reduced visibility
continuing across the open waters.

Tonight and Sunday...Moderate confidence.
Expect light southerly winds. Visibility will again lower to
1/2 mile or less across the open waters in areas of low clouds
and fog, which will move into the near shore waters tonight
into early Sunday.

As Jose moves north, swells will push across the southern
waters. Expect seas to build to 3-6 feet, highest on the
southern outer waters. Have put up small craft advisories for
hazardous seas, which could reach into Block Island and RI
sounds by Sunday morning.

Outlook /Sunday Night through Wednesday/...

Expecting to have marine headlines during much of this period,
especially across the southern coastal waters.

Seas expected to slowly build Sunday night into Monday night.
Winds and seas should then build faster Tuesday into Tuesday
night. High seas will linger into Wednesday, but will start to
subside once Hurricane Jose moves off. Much of the high seas are
focused along the South coasts of RI and MA, but then spread to
the east coast of Cape Cod Tuesday.

Much of this depends on the track of Jose, which has plenty of
time to change over the next several days. Mariners are strongly
urged to monitor the latest forecasts regarding Jose this
weekend into early next week.

&&

.TIDES/COASTAL FLOODING...
Jose's large wind envelope will likely produce significant seas
with a large swell component; moving onshore early to mid next
week. Significant wave action should occur on top of relatively
high astronomical high tides and a building surge. As a result,
we believe there is a high risk of moderate to severe beach
erosion over a prolonged period early next week. Multiple high
tide cycles of large swells breaking onshore have us concerned
that we could experience a very serious beach erosion event
along portions of both our south and east facing ocean- exposed
shorelines next week.

In addition and dependent upon how close Jose gets to our
coast, there is also a risk for minor to moderate coastal
flooding along portions of the coast with probably southeast and
east facing shorelines most at risk.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory for hazardous seas from 6 PM this evening
     to 6 PM EDT Sunday for ANZ254>256.
     Small Craft Advisory for hazardous seas from midnight tonight
     to 6 PM EDT Sunday for ANZ235-237.

&&

SYNOPSIS...Belk/EVT
NEAR TERM...KJC
SHORT TERM...EVT
LONG TERM...Belk
AVIATION...Belk/KJC
MARINE...Belk/EVT
TIDES/COASTAL FLOODING...
Hazardous weather outlook, Sep 16, 4:46 AM EDT, 10 hours 8 minutes before
Hazardous Weather Outlook
National Weather Service Taunton MA
446 AM EDT Sat Sep 16 2017

CTZ002>004-MAZ002>005-008>014-017-018-026-RIZ001>004-170900-
Hartford CT-Tolland CT-Windham CT-Western Franklin MA-
Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA-
Southeast Middlesex MA-Northern Bristol MA-Western Plymouth MA-
Northern Middlesex MA-Northwest Providence RI-
Southeast Providence RI-Western Kent RI-Eastern Kent RI-
446 AM EDT Sat Sep 16 2017

This Hazardous Weather Outlook is for northern Connecticut, all of
interior Massachusetts except for Berkshire county, and northern
Rhode Island.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hurricane Jose will likely bring high surf and dangerous rip currents
to some ocean-exposed beaches later this weekend into the middle of
next week. There is the potential for significant erosion along
ocean-exposed beaches early to mid next week. There is also a risk
for minor to moderate coastal flooding if Jose passes close enough to
southern New England.

It remains uncertain if Jose will get close enough to southern New
England for any other impacts during the first half of next week.
There is a possibility of tropical storm force winds reaching
portions of Rhode Island and southeast Massachusetts, with the Cape
and Islands most at risk. If this should happen, then scattered
power outages would be possible given full foliage at this time of
year. There could also be pockets of heavy rain.

We need to stress that there remains considerable uncertainty in how
close Jose will get to our region. People in southern New England
are urged to monitor the latest forecasts through this weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MAZ006-007-015-016-019>024-RIZ005>008-170900-
Western Essex MA-Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-Southern Bristol MA-Southern Plymouth MA-
Barnstable MA-Dukes MA-Nantucket MA-Bristol RI-Washington RI-
Newport RI-Block Island RI-
446 AM EDT Sat Sep 16 2017

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

This Hazardous Weather Outlook is for all of coastal Massachusetts
and southern Rhode Island.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Dense Fog Advisory.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hurricane Jose will likely bring high surf and dangerous rip currents
to some ocean-exposed beaches later this weekend into the middle of
next week. There is the potential for significant erosion along
ocean-exposed beaches early to mid next week. There is also a risk
for minor to moderate coastal flooding if Jose passes close enough to
southern New England.

It remains uncertain if Jose will get close enough to southern New
England for any other impacts during the first half of next week.
There is a possibility of tropical storm force winds reaching
portions of Rhode Island and southeast Massachusetts, with the Cape
and Islands most at risk. If this should happen, then scattered
power outages would be possible given full foliage at this time of
year. There could also be pockets of heavy rain.

We need to stress that there remains considerable uncertainty in how
close Jose will get to our region. People in southern New England
are urged to monitor the latest forecasts through this weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ230>237-250-251-254>256-170900-
Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound-
Buzzards Bay-Rhode Island Sound-Narragansett Bay-Block Island Sound-
Coastal waters east of Ipswich Bay and the Stellwagen Bank National
Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard and
Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out to
20 nm South of Block Island-
446 AM EDT Sat Sep 16 2017

This Hazardous Weather Outlook is for Massachusetts and Rhode
Island coastal waters.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hurricane Jose will likely bring high seas and possibly significant
wind to portions of the coastal waters early next week. It remains
uncertain how close Jose will get to southern New England. Mariners
are urged to monitor the latest forecasts through this weekend. Now
would be a good time to check moorings.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 11:08 PM EDTDense Fog AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more9 hr
Sep 16, 4:31 AM EDTSmall Craft Advisory for Hazardous SeasBOX36 hr
Sep 16, 6:54 PM EDTDense Fog AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more13 hr

Nearby

High Surf Advisories in Massachusetts, 2017High Surf Advisories in Rhode Island, 2017Every high surf advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.