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NOAA / National Weather Service Alerts

Live watches, warnings and advisories issued by the National Weather Service, including the alert polygon for the map.

NOAA Weather Alerts Federal Disaster Declarations Earthquakes Natural Events

280 active notices

NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 5:05AM AKST until November 12 at 5:00PM AKST by NWS Anchorage AK

  • Type: Small Craft Advisory
  • Area: Unalaska Bay
  • Issued: November 11, 2026 2:05 pm
  • Expires: November 12, 2026 3:15 am

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height.…

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NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 5:05AM AKST until November 12 at 5:00PM AKST by NWS Anchorage AK

  • Type: Small Craft Advisory
  • Area: Bristol Bay greater than 15 NM
  • Issued: November 11, 2026 2:05 pm
  • Expires: November 12, 2026 3:15 am

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height.…

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NOAA Weather Alerts Severe

Flood Warning issued November 11 at 8:49AM EST until November 15 at 7:00AM EST by NWS Melbourne FL

  • Type: Flood Warning
  • Area: Lake, FL; Volusia, FL
  • Issued: November 11, 2026 1:49 pm
  • Expires: November 12, 2026 4:00 am

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Deland affecting Volusia and Lake Counties. .Heavy rainfall has caused the St. Johns River near Deland to remain just below Minor Flood Stage. The river is forecast to remain nearly steady…

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NOAA Weather Alerts Severe

Flood Warning issued November 11 at 8:46AM EST by NWS Melbourne FL

  • Type: Flood Warning
  • Area: Lake, FL; Volusia, FL
  • Issued: November 11, 2026 1:46 pm
  • Expires: November 12, 2026 4:15 am

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Volusia and Lake Counties. .Heavy rainfall that has occurred upstream has resulted in continued river levels in Minor Flood Stage. River levels are expected to remain steady into the…

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NOAA Weather Alerts Minor

High Surf Advisory issued November 11 at 3:43AM HST until November 12 at 6:00PM HST by NWS Honolulu HI

  • Type: High Surf Advisory
  • Area: Niihau; Waianae Coast; Oahu North Shore; Maui Windward West; Kauai North; Molokai Windward; Molokai North; Molokai West; Maui Central Valley North; Windward Haleakala
  • Issued: November 11, 2026 1:43 pm
  • Expires: November 12, 2026 2:45 am

...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... .Surf heights will build through the day, peaking tonight and near-warning level surf may linger into Thursday, with surf falling below advisory levels by Thursday…

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NOAA Weather Alerts Severe

Flood Warning issued November 11 at 8:41AM EST by NWS Melbourne FL

  • Type: Flood Warning
  • Area: Brevard, FL
  • Issued: November 11, 2026 1:41 pm
  • Expires: November 12, 2026 4:00 am

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Cocoa 9w affecting Brevard County. .Recent rainfall over the headwaters of the St. Johns River has caused Major flooding at the gauge west of Cocoa. The river is forecast to continue…

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NOAA Weather Alerts Severe

Flood Warning issued November 11 at 8:39AM EST by NWS Melbourne FL

  • Type: Flood Warning
  • Area: Seminole, FL
  • Issued: November 11, 2026 1:39 pm
  • Expires: November 12, 2026 4:00 am

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Above Lake Harney affecting Seminole County. .Heavy rainfall has caused river levels on the St. Johns near Geneva Above Lake Harney to reach Moderate flood stage. A slow rise within Moderate…

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NOAA Weather Alerts Severe

Flood Warning issued November 11 at 8:37AM EST by NWS Melbourne FL

  • Type: Flood Warning
  • Area: Seminole, FL
  • Issued: November 11, 2026 1:37 pm
  • Expires: November 12, 2026 4:00 am

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Sanford affecting Seminole County. .Heavy rainfall has caused river levels on the St. Johns near Sanford to remain just below Minor flood stage. The river is forecast to slowly climb into…

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NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 3:35AM HST until November 12 at 6:00AM HST by NWS Honolulu HI

  • Type: Small Craft Advisory
  • Area: Kauai Northwest Waters; Kauai Windward Waters; Kauai Leeward Waters; Kauai Channel; Oahu Windward Waters; Oahu Leeward Waters; Kaiwi Channel; Maui County Windward Waters; Maui County Leeward Waters; Big Island Windward…
  • Issued: November 11, 2026 1:35 pm
  • Expires: November 12, 2026 2:45 am

* WHAT...Northeast winds up to 25 kt and seas up to 14 feet. * WHERE...Kauai Northwest Waters, Kauai Windward Waters, Kauai Leeward Waters, Kauai Channel, Oahu Windward Waters, Oahu Leeward Waters, Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters and Big Island Windward…

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NOAA Weather Alerts Moderate

Gale Warning issued November 11 at 3:35AM HST until November 12 at 6:00AM HST by NWS Honolulu HI

  • Type: Gale Warning
  • Area: Maalaea Bay; Pailolo Channel; Alenuihaha Channel; Big Island Leeward Waters; Big Island Southeast Waters
  • Issued: November 11, 2026 1:35 pm
  • Expires: November 12, 2026 2:45 am

* WHAT...Northeast winds up to 35 kt and seas up to 14 feet. * WHERE...Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Leeward Waters and Big Island Southeast Waters. * WHEN...Until 6 AM HST Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize…

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NOAA Weather Alerts Moderate

High Surf Warning issued November 11 at 5:32AM PST until November 15 at 4:00AM PST by NWS Eureka CA

  • Type: High Surf Warning
  • Area: Coastal Del Norte; Northern Coastal Humboldt
  • Issued: November 11, 2026 1:32 pm
  • Expires: November 12, 2026 1:45 am

* WHAT...Dangerously large breaking waves 25 to 35 ft. * WHERE...Coastal Del Norte and Northern Coastal Humboldt Counties. * WHEN...From 1 PM Friday to 4 AM PST Sunday. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surf…

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NOAA Weather Alerts Moderate

High Surf Warning issued November 11 at 5:32AM PST until November 15 at 4:00AM PST by NWS Eureka CA

  • Type: High Surf Warning
  • Area: Southwestern Humboldt; Coastal Mendocino
  • Issued: November 11, 2026 1:32 pm
  • Expires: November 12, 2026 1:45 am

* WHAT...Dangerously large breaking waves 25 to 35 ft. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From 4 PM Friday to 4 AM PST Sunday. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surf conditions and…

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NOAA Weather Alerts Severe

Flood Warning issued November 11 at 8:20AM EST until November 13 at 7:00PM EST by NWS Tampa Bay Ruskin FL

  • Type: Flood Warning
  • Area: DeSoto, FL
  • Issued: November 11, 2026 1:20 pm
  • Expires: November 12, 2026 5:00 am

...The Flood Warning continues for the following rivers in Florida... Peace River At Arcadia at SR 70 affecting DeSoto County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Peace River at Arcadia at SR 70. * WHEN...Until Friday evening. * IMPACTS...At 13.0…

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NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 7:20AM CST until November 12 at 4:00AM CST by NWS Duluth MN

  • Type: Small Craft Advisory
  • Area: 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
  • Issued: November 11, 2026 1:20 pm
  • Expires: November 12, 2026 1:30 am

* WHAT...North winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Grand Marais to Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN, Silver Bay Harbor to Two Harbors MN and Two Harbors to…

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NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 7:20AM CST until November 13 at 9:00AM CST by NWS Duluth MN

  • Type: Small Craft Advisory
  • Area: Grand Portage to Grand Marais MN
  • Issued: November 11, 2026 1:20 pm
  • Expires: November 12, 2026 1:30 am

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...From noon today to 9 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. *…

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NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 7:20AM CST until November 12 at 9:00AM CST by NWS Duluth MN

  • Type: Small Craft Advisory
  • Area: Chequamegon Bay-Bayfield to Oak Point WI; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Sand Island to Bayfield WI
  • Issued: November 11, 2026 1:20 pm
  • Expires: November 12, 2026 1:30 am

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to Port Wing WI, Port Wing to Sand Island WI and Sand Island to Bayfield WI.…

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NOAA Weather Alerts Minor

Small Craft Advisory issued November 11 at 7:20AM CST until November 12 at 12:00PM CST by NWS Duluth MN

  • Type: Small Craft Advisory
  • Area: Oak Point to Saxon Harbor WI; Outer Apostle Islands Beyond 5 NM from Mainland
  • Issued: November 11, 2026 1:20 pm
  • Expires: November 12, 2026 1:30 am

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...From 6 PM this evening to noon CST…

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NOAA Weather Alerts Moderate

Dense Fog Advisory issued November 11 at 5:17AM PST until November 11 at 9:00AM PST by NWS San Francisco CA

  • Type: Dense Fog Advisory
  • Area: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline
  • Issued: November 11, 2026 1:17 pm
  • Expires: November 11, 2026 5:00 pm

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys, San Francisco, and San Francisco Bay Shoreline Counties. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

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NOAA Weather Alerts Moderate

High Surf Warning issued November 11 at 5:04AM PST until November 14 at 10:00PM PST by NWS Medford OR

  • Type: High Surf Warning
  • Area: South Central Oregon Coast; Curry County Coast
  • Issued: November 11, 2026 1:04 pm
  • Expires: November 11, 2026 10:00 pm

* WHAT...Dangerously large breaking waves of 20 to 25 ft Friday, increasing to 30 to 35 ft late Friday through Saturday. * WHERE...Beaches of Curry, Coos and Douglas Counties. This includes Charleston, Port Orford, Gold Beach, and Brookings. * WHEN...From 10 AM Friday to 10…

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NOAA Weather Alerts Moderate

Wind Advisory issued November 11 at 4:51AM PST until November 13 at 4:00AM PST by NWS Medford OR

  • Type: Wind Advisory
  • Area: Central Siskiyou County
  • Issued: November 11, 2026 12:51 pm
  • Expires: November 11, 2026 10:00 pm

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Most of the Shasta Valley in central Siskiyou County. This includes portions of Interstate 5 as well as the communities of Weed, Gazelle, Grenada and Montague. * WHEN...From 10 AM…

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Data source: NOAA / National Weather Service (api.weather.gov)