Weather Alert WatchOfficial-source alert index

Coastal waters and Great Lakes

Marine weather alerts

Marine alert records and stable NWS marine-zone pages, kept separate from state alert counts.

Current marine products

262 alerts in last successful data

Verified official zones

Marine areas with recent activity

Cape Decision to Cape Edgecumbe out to 15 NMPKZ642 · coastal6 activeCape Decision to Cape Edgecumbe from 15 to 80 NMPKZ662 · coastal5 activeCape Edgecumbe to Cape Spencer from 15 to 80 NMPKZ663 · coastal5 activeClarence StraitPKZ036 · coastal5 activeDixon Entrance to Cape Decision from 15 to 90 NMPKZ661 · coastal5 activeDixon Entrance to Cape Decision out to 15 NMPKZ641 · coastal5 activeCape Edgecumbe to Cape Spencer out to 15 NMPKZ643 · coastal4 activeCape Fairweather to Icy Cape from 15 to 80 NMPKZ671 · coastal4 activeCape Fairweather to Icy Cape out to 15 NMPKZ651 · coastal4 activeCape Spencer to Cape Fairweather from 15 to 85 NMPKZ664 · coastal4 activeCape Spencer to Cape Fairweather out to 15 NMPKZ644 · coastal4 activeFrederick SoundPKZ034 · coastal4 activeIcy Cape to Cape Suckling from 15 to 80 NMPKZ672 · coastal4 activeSouthern Chatham StraitPKZ033 · coastal4 activeAdak to Kiska Bering SidePKZ784 · coastal3 activeBarren Islands EastPKZ731 · coastal3 activeBering Sea Offshore 171W to 180 and South of 56NPKZ413 · offshore3 activeBering Sea Offshore West of 180 and East of the International Date LinePKZ411 · offshore3 activeCape Cleare to Gore Point from 15 to 75 NMPKZ716 · coastal3 activeCape Cleare to Gore Point out to 15 NMPKZ715 · coastal3 activeCape Suckling to Cape Cleare from 15 to 75 NMPKZ712 · coastal3 activeCape Suckling to Gravel Point out to 15 NMPKZ710 · coastal3 activeCentral and Eastern Prince William SoundPKZ725 · coastal3 activeChiniak BayPKZ736 · coastal3 activeCook Inlet Kalgin Island to Point BedePKZ742 · coastal3 activeCook Inlet North Kalgin IslandPKZ740 · coastal3 activeCross SoundPKZ022 · coastal3 activeGore Point to Marmot Island from 15 to 80 NMPKZ733 · coastal3 activeGravel Point to Cape Cleare out to 15 NMPKZ711 · coastal3 activeGulf of Alaska Offshore North of 57N and West of 144WPKZ351 · offshore3 activeGulf of Alaska Offshore South of 57N North of 55N and West of 144WPKZ352 · offshore3 activeIcy Cape to Cape Suckling out to 15 NMPKZ652 · coastal3 activeIcy StraitPKZ021 · coastal3 activeKachemak BayPKZ741 · coastal3 activeMarmot BayPKZ737 · coastal3 activeMarmot Island To Sitkinak from 15 to 85 NMPKZ734 · coastal3 activeMarmot Island to Sitkinak out to 15 NMPKZ732 · coastal3 activeNikolski to Seguam Bering Side from 15 to 85 NMPKZ776 · coastal3 activeNikolski to Seguam Bering Side out to 15 NMPKZ775 · coastal3 activeNikolski to Seguam Pacfic Side out to 15 NMPKZ777 · coastal3 activeNikolski to Seguam Pacific Side from 15 to 75 NMPKZ778 · coastal3 activeNorthern Chatham StraitPKZ032 · coastal3 activeNorthwest Prince William SoundPKZ724 · coastal3 activeSeguam to Adak Bering Side from 15 to 85 NMPKZ781 · coastal3 activeSeguam to Adak Bering Side out to 15 NMPKZ780 · coastal3 activeSeguam to Adak Pacific Side out to 15 NMPKZ782 · coastal3 activeShelikof StraitPKZ738 · coastal3 activeSouthwest Prince William SoundPKZ726 · coastal3 activeSumner StraitPKZ035 · coastal3 activeUnalga Pass to Nikolski Bering Side out to 15 NMPKZ770 · coastal3 activeWest of Barren Islands Including Kamishak BayPKZ730 · coastal3 activeBering Sea Offshore 171W to 180 and North of 56NPKZ412 · offshore2 activeBristol Bay from Cape Chichagof to Cape Pierce out to 15 NMPKZ762 · coastal2 activeBristol Bay from Port Heiden to Cape Chichagof out to 15 NMPKZ761 · coastal2 activeCape Beaufort to Point Franklin out to 15 NMPKZ812 · coastal2 activeCape Tolstoi to Cape Sarichef out to 15 NMPKZ754 · coastal2 activeCape Tolstoi to Unalga Pass from 15 to 100 NMPKZ755 · coastal2 activeDall Point to Kwikpak Pass out to 15 NMPKZ802 · coastal2 activeEtolin Strait to Dall Point out to 15 NMPKZ801 · coastal2 activeEtolin Strait to Kwemeluk Pass from 15 to 90 NMPKZ850 · coastal2 activeGulf of Alaska North of 57 Degrees North and East of 144 WPKZ311 · offshore2 activeGulf of Alaska South of 57 Degrees North and East of 144 WPKZ312 · offshore2 activeKiska to Attu Bering SidePKZ786 · coastal2 activeKuskokwim Delta and Etolin Strait out to 15 NMPKZ763 · coastal2 activeKwemeluk Pass to Kwikpak Pass from 15 to 90 NMPKZ853 · coastal2 activeMoses Point to Sledge Island out to 15 NMPKZ805 · coastal2 activeNelson Lagoon to Unalga Pass from 15 to 70 NMPKZ759 · coastal2 activeNorth Side of Saint Lawrence Island out to 15 NMPKZ817 · coastal2 activeNorton Sound greater than 15 NMPKZ852 · coastal2 activePribilof Islands Nearshore WatersPKZ766 · coastal2 activeSeguam to Adak Pacific Side from 15 to 75 NMPKZ783 · coastal2 activeSledge Island to Wales greater than 15 NMPKZ854 · coastal2 activeSledge Island to Wales out to 15 NMPKZ806 · coastal2 activeSouth Side of Saint Lawrence Island out to 15 NMPKZ816 · coastal2 activeSouthwest of Saint Lawrence Island from 15 to 100 NMPKZ851 · coastal2 activeUnalaska BayPKZ771 · coastal2 activeUnalga Pass to Nikolski Bering Side from 15 to 85 NMPKZ772 · coastal2 activeUnalga Pass to Nikolski Pacific Side from 15 to 85 NMPKZ774 · coastal2 activeUnalga Pass to Nikolski Pacific Side out to 15 NMPKZ773 · coastal2 activeUnimak PassPKZ768 · coastal2 activeValdez NarrowsPKZ721 · coastal2 activeYakutat BayPKZ053 · coastal2 active5NM East of a line from Fairport MI to Rock Island PassageLMZ250 · coastal1 activeAdak to Kiska Pacific SidePKZ785 · coastal1 activeAlenuihaha ChannelPHZ121 · coastal1 activeBig Island Leeward WatersPHZ123 · coastal1 activeBig Island Southeast WatersPHZ124 · coastal1 activeBlack River To Ontonagon MILSZ241 · coastal1 activeBristol Bay greater than 15 NMPKZ760 · coastal1 activeBurns Harbor to Michigan City INLMZ745 · coastal1 activeCalumet Harbor IL to Gary INLMZ743 · coastal1 activeCape Beaufort to Point Franklin from 15 to 85 NMPKZ858 · coastal1 activeCape Espenberg to Motherwood Point out to 10 NMPKZ808 · coastal1 activeCape Stephens to Moses Point out to 15 NMPKZ804 · coastal1 activeCape Thompson to Cape Beaufort from 15 to 85 NMPKZ857 · coastal1 activeCape Thompson to Cape Beaufort out to 15 NMPKZ811 · coastal1 activeCastle Cape to Cape Tolstoi from 15 to 100 NMPKZ753 · coastal1 activeCastle Cape to Cape Tolstoi out to 15 NMPKZ752 · coastal1 activeCoastal Waters From Cape Flattery To James Island 10 To 60 NmPZZ170 · coastal1 activeCoastal Waters From Ochlockonee River to Apalachicola FL out to 20 NmGMZ755 · coastal1 activeCoastal Waters From Point Grenville To Cape Shoalwater 10 To 60 NmPZZ176 · coastal1 activeCoastal Waters from Mexico Beach to Apalachicola out 20 NMGMZ752 · coastal1 activeCoastal waters from Cape Blanco OR to Pt. St. George CA out 10 nmPZZ356 · coastal1 activeCoastal waters from Cape Mendocino to Pt. Arena CA out 10 nmPZZ455 · coastal1 activeCoastal waters from Deerfield Beach to Ocean Reef FL out 20 NMAMZ651 · coastal1 activeCoastal waters from Edisto Beach SC to Savannah GA out 20 NMAMZ362 · coastal1 activeCoastal waters from Fernandina Beach to St. Augustine FL out 20 NMAMZ452 · coastal1 activeCoastal waters from Florence to Cape Blanco OR out 10 nmPZZ350 · coastal1 activeCoastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NMAMZ650 · coastal1 activeCoastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NMGMZ751 · coastal1 activeCoastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NMGMZ655 · coastal1 activeCoastal waters from Pensacola FL to Pascagoula MS out 20 NMGMZ650 · coastal1 activeCoastal waters from Pt. St. George to Cape Mendocino CA out 10 nmPZZ450 · coastal1 activeCoastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine SanctuaryAMZ364 · coastal1 activeCoastal waters from South Santee River to Edisto Beach SC out 20 NMAMZ360 · coastal1 activeCoastal waters from St. Augustine to Flagler Beach FL out 20 NMAMZ454 · coastal1 activeEagle River to Manitou Island MILSZ244 · coastal1 activeEast Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz IslandPZZ650 · coastal1 activeFlagler Beach to Volusia-Brevard County Line 0-20 nmAMZ550 · coastal1 activeFlagler Beach to Volusia-Brevard County Line 20-60 nmAMZ570 · coastal1 activeGary to Burns Harbor INLMZ744 · coastal1 activeGlacier BayPKZ011 · coastal1 activeGrand Haven to Whitehall MILMZ847 · coastal1 activeGrand Marais to Taconite Harbor MNLSZ141 · coastal1 activeGrand Portage to Grand Marais MNLSZ140 · coastal1 activeGrand Traverse Bay south of a line Grand Traverse Light to Norwood MILMZ323 · coastal1 activeGreen Bay North of line from Cedar River MI to Rock Island PassageLMZ221 · coastal1 activeGreen Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WILMZ521 · coastal1 activeGreen Bay south of line from Oconto WI to Little Sturgeon Bay WILMZ522 · coastal1 activeHolland to Grand Haven MILMZ846 · coastal1 activeHuron Islands to Marquette MILSZ248 · coastal1 activeInner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa IslandsPZZ655 · coastal1 activeKaiwi ChannelPHZ116 · coastal1 activeKauai ChannelPHZ113 · coastal1 activeKauai Leeward WatersPHZ112 · coastal1 activeKauai Northwest WatersPHZ110 · coastal1 activeKauai Windward WatersPHZ111 · coastal1 activeKiska to Attu Pacific SidePKZ787 · coastal1 activeKotzebue Sound greater than 10 NMPKZ855 · coastal1 activeKuskokwim Delta from 15 to 80 NMPKZ764 · coastal1 activeKwikpak Pass to Cape Stephens out to 15 NMPKZ803 · coastal1 activeLake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid LakeLMZ872 · coastal1 activeLake Michigan from Pentwater to Manistee MI 5NM offshore to Mid LakeLMZ868 · coastal1 activeLake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid LakeLMZ671 · coastal1 activeLake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid LakeLMZ669 · coastal1 activeLake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid LakeLMZ567 · coastal1 activeLake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid LakeLMZ870 · coastal1 activeMaalaea BayPHZ119 · coastal1 activeManistee to Point Betsie MILMZ346 · coastal1 activeManitou Island to Point Isabelle MILSZ245 · coastal1 activeMarquette to Munising MILSZ249 · coastal1 activeMaui County Leeward WatersPHZ118 · coastal1 activeMaui County Windward WatersPHZ117 · coastal1 activeMichigan City IN to New Buffalo MILMZ046 · coastal1 activeMotherwood Point to Cape Krusenstern out to 10 NMPKZ809 · coastal1 activeMunising to Grand Marais MILSZ250 · coastal1 activeNew Buffalo MI to St Joseph MILMZ043 · coastal1 activeNorth Point Light to Wind Point WILMZ645 · coastal1 activeNorth and West of Nunivak IslandPKZ765 · coastal1 activeNortherly Island to Calumet Harbor ILLMZ742 · coastal1 active

For mariners

Alert thresholds and vessel capability vary. Read the current official marine bulletin and coastal waters forecast before making a decision.

Read the Gale Warning guide