Station Name: Lakeport Buoy, MI
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet

Nearest Address:
Offshore
Lakeport, MI 48059
St. Clair County

GPS Coordinates: 43.129, -82.391

Nearby Water Temperatures

squall warning in effect

Service Notice – April 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For Spring 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for June 2026 deployment. Data changes will appear in CAP following this deployment, 2) marine alerts will now be issued for smaller zone splits in certain areas of Atlantic and Pacific waters and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour le printemps 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement en juin 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement, 2) les alertes marines seront désormais émises pour des subdivisions de zones plus petites dans certaines régions des eaux de l’Atlantique et du Pacifique et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Mon May 18, 2026, 4:07 PM
Expires: Mon May 18, 2026, 7:05 PM

Squalls with wind gusts up to 45 knots and hail of 1 to 2 centimetres are expected or occurring in the area. As of 4:05 p.m. EDT, an area of thunderstorms is located 10 nautical miles southwest of Sarnia, moving northeastward at 35 knots. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

squall warning in effect

Service Notice – April 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For Spring 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for June 2026 deployment. Data changes will appear in CAP following this deployment, 2) marine alerts will now be issued for smaller zone splits in certain areas of Atlantic and Pacific waters and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour le printemps 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement en juin 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement, 2) les alertes marines seront désormais émises pour des subdivisions de zones plus petites dans certaines régions des eaux de l’Atlantique et du Pacifique et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Mon May 18, 2026, 4:07 PM
Expires: Mon May 18, 2026, 7:05 PM

Squalls with wind gusts up to 45 knots and hail of 1 to 2 centimetres are expected or occurring in the area. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

Severe Thunderstorm Watch issued May 18 at 1:03PM EDT until May 18 at 8:00PM EDT by NWS Detroit/Pontiac MI

Effective: Mon May 18, 2026, 1:03 PM
Expires: Mon May 18, 2026, 8:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 221 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MICHIGAN THIS WATCH INCLUDES 17 COUNTIES IN SOUTHEAST MICHIGAN BAY GENESEE HURON LAPEER LENAWEE LIVINGSTON MACOMB MIDLAND MONROE OAKLAND SAGINAW SANILAC SHIAWASSEE ST. CLAIR TUSCOLA WASHTENAW WAYNE THIS INCLUDES THE CITIES OF ADRIAN, ALMONT, ANN ARBOR, BAD AXE, BAY CITY, BRIGHTON, BROWN CITY, CANTON, CARO, CASEVILLE, CASS CITY, CROSWELL, DEARBORN, DECKERVILLE, DURAND, FERNDALE, FLINT, FOWLERVILLE, HARBOR BEACH, HOWELL, IMLAY CITY, LAMBERTVILLE, LAPEER, LEXINGTON, LINCOLN PARK, LIVONIA, MARLETTE, MARYSVILLE, MAYVILLE, MIDLAND, MILLINGTON, MONROE, NOVI, OWOSSO, PIGEON, PONTIAC, PORT HURON, REDFORD, REESE, ROYAL OAK, SAGINAW, SANDUSKY, SEBEWAING, SOUTHFIELD, ST. CLAIR SHORES, STERLING HEIGHTS, TAYLOR, TEMPERANCE, TROY, UBLY, VASSAR, WARREN, WATERFORD, AND WESTLAND.

yellow watch - severe thunderstorm - in effect

Service Notice – April 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For Spring 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for June 2026 deployment. Data changes will appear in CAP following this deployment, 2) marine alerts will now be issued for smaller zone splits in certain areas of Atlantic and Pacific waters and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour le printemps 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement en juin 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement, 2) les alertes marines seront désormais émises pour des subdivisions de zones plus petites dans certaines régions des eaux de l’Atlantique et du Pacifique et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Mon May 18, 2026, 1:06 PM
Expires: Tue May 19, 2026, 2:02 AM

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail. Hazards: Wind gusts up to 100 km/h Hail up to toonie size Timing: This afternoon and evening Additional information: Thunderstorms are expected to move eastward into the area from Lower Michigan. The main hazard will be damaging wind gusts. ### Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information: https://www.ontario.ca/page/be-prepared-emergency.

When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.