Station Name: Spectacle Reef Light, MI
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet / 175 meters

Nearest Address:
Offshore
Bois Blanc Island, MI
Mackinac County

GPS Coordinates: 45.773, -84.137

Nearby Water Temperatures

Winter Weather Advisory issued November 29 at 3:15AM EST until November 30 at 1:00PM EST by NWS Gaylord MI

Effective: Sat November 29, 2025, 3:15 AM
Expires: Sat November 29, 2025, 3:15 PM

* WHAT...Snow expected. Total snow accumulations between 4 and 7 inches. Winds gusting as high as 35 mph Sunday morning into the afternoon will lead to blowing and drifting snow. * WHERE...A portion of Northern Lower Michigan. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Hazardous travel conditions are anticipated due to slick roads and areas of lower visibility.

Slow down and use caution while traveling.

Winter Weather Advisory issued November 29 at 10:23AM EST until November 30 at 1:00PM EST by NWS Gaylord MI

Effective: Sat November 29, 2025, 10:23 AM
Expires: Sat November 29, 2025, 11:15 PM

...WIDESPREAD SNOW LATER TODAY INTO SUNDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 7 inches. Winds gusting as high as 35 mph Sunday morning into the afternoon will lead to blowing and drifting snow. * WHERE...A portion of Northern Lower Michigan. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Hazardous travel conditions are anticipated due to slick roads and areas of lower visibility.

Slow down and use caution while traveling.

Winter Weather Advisory issued November 29 at 2:13PM EST until November 30 at 1:00PM EST by NWS Gaylord MI

Effective: Sat November 29, 2025, 2:13 PM
Expires: Sun November 30, 2025, 4:00 AM

...WIDESPREAD SNOW TONIGHT INTO SUNDAY MORNING... * WHAT...Snow expected. Total snow accumulations between 4 and 7 inches. Winds gusting as high as 35 mph Sunday morning into the afternoon will lead to blowing and drifting snow. * WHERE...A portion of Northern Lower Michigan. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Hazardous travel conditions are anticipated due to slick roads and areas of lower visibility.

Slow down and use caution while traveling.

Winter Storm Warning issued November 29 at 3:15AM EST until November 30 at 1:00PM EST by NWS Gaylord MI

Effective: Sat November 29, 2025, 3:15 AM
Expires: Sat November 29, 2025, 3:15 PM

* WHAT...Heavy snow expected. Total snow accumulations between 8 and 12 inches in areas along the US 23 corridor between Rogers City and Alpena. A general 5 to 8 inches of snow is expected across the rest of Alpena and Presque Isle counties. * WHERE...Alpena and Presque Isle Counties. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult due to buildup of snow / slush on area thoroughfares.

If travel is absolutely necessary, proceed with caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.

Winter Storm Warning issued November 29 at 10:23AM EST until November 30 at 1:00PM EST by NWS Gaylord MI

Effective: Sat November 29, 2025, 10:23 AM
Expires: Sat November 29, 2025, 11:15 PM

...WIDESPREAD SNOW LATER TODAY INTO SUNDAY... * WHAT...Heavy snow expected, especially later tonight. Total snow accumulations between 8 and 12 inches in areas along the US 23 corridor between Rogers City and Alpena. A general 5 to 8 inches of snow is expected across the rest of Alpena and Presque Isle counties. * WHERE...Alpena and Presque Isle Counties. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult due to buildup of snow / slush on area thoroughfares.

If travel is necessary, proceed with caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.

Winter Storm Warning issued November 29 at 2:13PM EST until November 30 at 1:00PM EST by NWS Gaylord MI

Effective: Sat November 29, 2025, 2:13 PM
Expires: Sun November 30, 2025, 4:00 AM

...WIDESPREAD SNOW TONIGHT INTO SUNDAY MORNING... * WHAT...Heavy snow expected, especially later tonight. Total snow accumulations between 7 and 12 inches in areas along the US 23 corridor between Rogers City and Alpena. A general 5 to 8 inches of snow is expected across the rest of Alpena and Presque Isle counties. * WHERE...Alpena and Presque Isle Counties. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult due to buildup of snow / slush on area thoroughfares.

If travel is necessary, proceed with caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.

yellow warning - snowfall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) 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 – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) 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: Sat November 29, 2025, 12:34 PM
Expires: Sun November 30, 2025, 4:34 AM

Heavy snow is expected. What: Total snowfall amounts of 5 to 10 cm with 15 to 20 cm possible for St. Joseph Island. When: Beginning tonight and tapering off Sunday afternoon. Additional information: Most areas are expected to see 5 to 10 cm. There is potential for 15 to 20 cm in areas closer to Lake Huron, like St. Joseph Island, where southerly flow over the lake will help to boost snowfall amounts. The snow will ease to scattered flurries Sunday afternoon. ### Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times. 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.

Allow extra time for travel.

yellow warning - snowfall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) 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 – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) 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: Sat November 29, 2025, 5:08 PM
Expires: Sun November 30, 2025, 9:08 AM

Heavy snow is expected. What: Total snowfall amounts of 5 to 10 cm with 15 to 20 cm possible for St. Joseph Island. When: Beginning tonight and tapering off Sunday afternoon. Additional information: Most areas are expected to see 5 to 10 cm. There is potential for 15 to 20 cm in areas closer to Lake Huron, like St. Joseph Island, where southerly flow over the lake will help to boost snowfall amounts. The snow will ease to scattered flurries Sunday afternoon. ### Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times. 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.

Allow extra time for travel.

yellow warning - snowfall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) 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 – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) 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: Sat November 29, 2025, 12:42 PM
Expires: Sun November 30, 2025, 4:42 AM

Snowfall with total amounts of 10 to 20 cm is expected. Heavy snow is expected. What: Total snowfall amounts near 10 cm with 15 to 20 cm possible over higher terrain. When: Beginning tonight and tapering off Sunday afternoon. Additional information: Most areas are expected to see near 10 cm with the potential for 15 to 20 cm over higher terrain. The snow will ease to scattered flurries Sunday afternoon. ### Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times. 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.

Allow extra time for travel.

yellow warning - snowfall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) 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 – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) 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: Sat November 29, 2025, 5:10 PM
Expires: Sun November 30, 2025, 9:10 AM

Snowfall with total amounts of 10 to 20 cm is expected. Heavy snow is expected. What: Total snowfall amounts near 10 cm with 15 to 20 cm possible over higher terrain. When: Beginning tonight and tapering off Sunday afternoon. Additional information: Most areas are expected to see near 10 cm with the potential for 15 to 20 cm over higher terrain. The snow will ease to scattered flurries Sunday afternoon. ### Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times. 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.

Allow extra time for travel.