weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
345 AM CDT THU SEP 21 2017

LSZ121-148-211845-
/O.EXT.KDLH.SC.Y.0048.170921T2100Z-170922T0300Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
OAK POINT TO SAXON HARBOR WI-
345 AM CDT THU SEP 21 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...

* SUSTAINED WINDS...EAST TO NORTHEAST 15 TO 20 KNOTS.

* WIND GUSTS...UP TO 25 KNOTS.

* WAVES...2 TO 5 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$


Beach Hazards Statement


COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
315 AM CDT THU SEP 21 2017

MNZ037-WIZ001-220100-
/O.NEW.KDLH.BH.S.0026.170921T1500Z-170922T0100Z/
CARLTON/SOUTHERN ST. LOUIS-DOUGLAS-
315 AM CDT THU SEP 21 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A BEACH HAZARDS
STATEMENT FOR DANGEROUS SWIMMING CONDITIONS, WHICH IS IN EFFECT FROM
10 AM CDT THIS MORNING THROUGH THIS EVENING.

* LOCATION...PARK POINT BEACH

* DANGEROUS SWIMMING CONDITIONS ARE EXPECTED ALONG THE LAKE
  SUPERIOR SHORELINE DUE TO HIGH WAVE ACTION AND STRONG RIP
  CURRENTS.

* HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS
  SUCH AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A
  SWIMMER QUICKLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS IN SANDBARS...
NEAR SHORELINE STRUCTURES SUCH AS PENINSULAS OR BREAKWALLS...AND
NEAR RIVER MOUTHS.

FOR ADDITIONAL SAFETY INFORMATION AND PRECAUTIONS...PLEASE VISIT
WWW.WEATHER.GOV/DULUTH

&&

$$

HUYCK


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Sioux Falls SD
558 AM CDT Thu Sep 21 2017

IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-098-NEZ013-
014-SDZ067-070-071-221100-
Lyon IA-Osceola-Dickinson-Sioux-O`Brien-Clay IA-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Murray-Cottonwood-Nobles-Jackson-Rock-
Dixon-Dakota-Lincoln SD-Clay SD-Union-
558 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, southwest Minnesota, northeast Nebraska, and
southeast South Dakota.

.DAY ONE...Today and Tonight

No hazardous weather is expected today and tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorm risks will return by late Friday and continue at
times into early next week. At this time, while a widespread
severe weather risk is unlikely, an isolated strong to severe
storms appears possible Saturday or Sunday, depending on where
the boundary sets up. In addition, some areas of heavy rainfall
are likely, along with a risk for significant ponding or flash
flooding, especially near and west of a Windom to Sioux City line.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
517 AM CDT Thu Sep 21 2017

MNZ039-046-SDZ005>008-010-011-017>023-036-037-051-221030-
Traverse-Big Stone-McPherson-Brown-Marshall-Roberts-Edmunds-Day-
Faulk-Spink-Clark-Codington-Grant-Hamlin-Deuel-Hyde-Hand-Buffalo-
517 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of west central
Minnesota, central South Dakota, north central South Dakota, and
northeast South Dakota.

.DAY ONE...Today and Tonight

Showers and thunderstorms will return to far northeastern South
Dakota and west central Minnesota tonight, mainly northeast of a
line from Aberdeen to Watertown. A few of these storms could
become strong to severe, with damaging winds and large hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

An elongated area of low pressure will remain nearly steady across
eastern South Dakota and western Minnesota Friday into early
Saturday. Showers and thunderstorms are expected along and ahead
of this boundary late Friday afternoon into Friday night. A few of
these storms could become strong to severe. Heavy rain, damaging
winds, and large hail will be the primary threats.

A extended period of light to, at times, heavy rain will move
across far eastern South Dakota and west central Minnesota. Total
rainfall of 2 to around 4 inches will be possible early Friday
morning into Monday. The highest amounts are expected southeast of
a line from Watertown to Ortonville.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed over far northeastern South
Dakota and west central Minnesota tonight. Wind, hail, and other
reports can be relayed to the Aberdeen National Weather Service by
calling, or through our Facebook and Twitter pages.

$$

KF

Hazardous Weather Outlook
National Weather Service Des Moines IA
456 AM CDT Thu Sep 21 2017

IAZ004>007-015>017-024>028-039-221000-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Humboldt-Wright-Franklin-Butler-Bremer-Black Hawk-
456 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

A few isolated non-severe storms are possible this afternoon and
early evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The combination of heat and humidity will push heat index values
into the 90s both Friday and Saturday. A few locations may
approach 100 degree heat index values on Friday as well.

Widespread showers and thunderstorms are expected to arrive over
central Iowa later Sunday into Monday lasting through much of
Tuesday. It is too early to determine the severe weather threat
this weekend into early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Ansorge

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
429 AM CDT Thu Sep 21 2017

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
220930-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
429 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of central and
southern Minnesota...and west central Wisconsin.

.DAY ONE...Today and Tonight

Isolated thunderstorms will be possible this afternoon, with a
better chance for thunderstorms expected for tonight across
central Minnesota into western Wisconsin. Isolated instances of
large hail will be possible with this activity.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Periodic chances for thunderstorms exist from Friday through
Monday night. Some severe storms are possible Friday evening in
western MN. Repeated rounds of thunderstorms this weekend in
western Minnesota will also lead to an increased risk for
flooding.

Hot and humid conditions are expected Friday with peak afternoon
heat indices between 95 and 100 expected. Hot and humid conditions
with heat indices into the mid 90s are expected again Saturday
from southeast Minnesota into western Wisconsin. Heat illnesses
may occur, primarily for those who are active outdoors.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
427 AM CDT Thu Sep 21 2017

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-221030-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
427 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.

.DAY ONE...Today and Tonight

Strong northeast winds will increase the threat of rip currents
today, mainly in the Duluth entry affecting the Park Point Beach
in Duluth.

There is a chance of thunderstorms tonight over the Northland.
Some storms may be strong to severe with large hail, gusty winds,
and torrential rainfall possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms may be ongoing Friday morning over northern
Minnesota and northwest Wisconsin. A few storms could be strong.

There will be several opportunities for thunderstorms and heavy
rainfall Friday night through early next week. Strong to severe
thunderstorms are possible Friday night and again Saturday into
Saturday night, especially across northern Minnesota into extreme
northwest Wisconsin.

.SPOTTER INFORMATION STATEMENT...

SKYWARN Spotters may be needed tonight. Members of the public are
also encouraged to report hail of any size, rainfall amounts, wind
damage, or flooding to the National Weather Service.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
427 AM CDT Thu Sep 21 2017

LSZ121-140>148-221030-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
427 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of the Nearshore
waters of western Lake Superior.

.DAY ONE...Today and Tonight

A Small Craft Advisory has been issued for today into tonight.
For detailed information, see the latest Nearshore Marine Forecast
and Marine Weather Message.

Thunderstorms are possible tonight, some may be strong to severe
with large hail and lightning the main threats.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There are multiple opportunities for thunderstorms across western
Lake Superior Friday through early next week.

$$

Melde/Huyck

More information may be obtained at the following web address:
http://www.weather.gov/duluth (all lower case)

Hazardous Weather Outlook
National Weather Service La Crosse WI
406 AM CDT Thu Sep 21 2017

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-221100-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
406 AM CDT Thu Sep 21 2017

This Hazardous Weather Outlook is for portions of southeast
Minnesota...northeast Iowa and southwest into central Wisconsin.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible this afternoon and tonight.
Severe weather is not expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms are possible from late Sunday night through
Tuesday. It is too early to discern if there would be a severe
threat.

.SPOTTER INFORMATION STATEMENT...

No action needed.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

$$

Boyne/Rieck

Hazardous Weather Outlook
National Weather Service Grand Forks ND
403 AM CDT Thu Sep 21 2017

MNZ001>003-006-009-013>017-022>024-027>032-040-NDZ030-039-049-052-
053-220915-
West Polk-Norman-Clay-Lake Of The Woods-North Beltrami-Pennington-
Red Lake-East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Traill-Cass-Ransom-
Sargent-Richland-
403 AM CDT Thu Sep 21 2017

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Isolated severe thunderstorms are possible across southeast North
Dakota into portions of west central and northwest Minnesota
between 7 pm tonight and 7 am Friday. These storms may produce
hail up to 1 inch in diameter and wind gusts to 60 mph.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Isolated severe thunderstorms remain possible during the day Friday,
but mainly along and east of the Red River Valley. However, the
best chances for severe storms will hold off until the late
Friday afternoon or early evening, and still mainly along and
east of the Red River Valley. Hail up to 1.50 inches, wind gusts
to 75 mph or greater, and isolated tornadoes are possible with
these storms. The severe threat should end by midnight Friday.
Thunderstorms are also possible Saturday afternoon into early
evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE