Forecast for Coastal Pheonomena

The Government of the Canary Islands has declared a prealert situation for adverse coastal phenomena, effective from 12:00 AM on Friday, February 28. This decision is based on the information provided by the State Meteorology Agency and other available sources, and in application of the specific Emergency Plan of the Canary Islands by risks of adverse weather phenomena, as stated in a recent announcement.

The declaration focuses on several critical areas and specific times, impacting residents and visitors to the islands. The areas of concern included are:

• The North and West coast of La Palma, El Hierro, Fuerteventura, and Lanzarote.
• The North coast of La Gomera, Tenerife, and Gran Canaria.
• The Mar Channel between Tenerife and La Gomera.

Current Observations and Conditions

The General Emergency Department has issued an in-depth analysis of the current sea and weather conditions across the affected areas. The following points are highlighted:

• Poor sea state: Sea conditions are described as challenging, with a significant presence of waves and potential risks to navigation and marine activities.
• North Wind Force 7: High wind speeds, specifically a Force 7 wind, are expected in the Channel between Tenerife and La Gomera, posing additional hazards to maritime operations and coastal activities.
• Combined sea waves of 2.5 – 3.5 m: The combined effect of different sea wave systems will contribute to unpredictable and potentially dangerous coastal conditions. Residents and businesses in these areas are advised to take caution and follow safety protocols.

Forecast for Friday 28th and Saturday 29th February

Weather forecasting plays a crucial role in preparing for these conditions. Here is what to expect in the initial days of the event:

Friday, February 28: North and Northwest wind, force 5 – 6 (29 – 49 km/h) with areas of force 7 (50 – 61 km/h) on the sea channel between Tenerife and La Gomera. Strong to strong swell with coarse sea areas between Tenerife and La Gomera. Northwest bottom of 2 – 3 m.

Saturday, March 1: North component wind, force 3 – 4 (12 – 28 km/h). Swells decreasing Marejadilla in the second half of the day. Sea of the northwest of 2 – 3 m.

Practical Consequences and Recommendations

The threat of adverse coastal conditions raises important safety concerns in the Canary Islands. Similar situations in America —like severe weather alerts issued in Florida and along the Gulf Coast during hurricane season — highlight the need for preparation and response measures:

The impact of coastal phenomena, such as severe storm sets a stark reminder for residents and tourists in the Eastern United States in regions like New England and the Atlantic coast, to ensure readiness during hurricane season. Focusing on preparedness, early warning systems, and communication with local authorities can significantly mitigate risks.

In the Canary Islands, coordination between the government and local communities can ensure the safety of residents. In a similar vein to USA.gov mitigating risks from tropical storms and hurricanes, the Population is urged to follow the Self-protection tips of the General Emergency Directorate.

The Impact on Daily Activities

The prealert has significant implications for residents, tourists, and businesses. The government’s swift action ensures minimal disruption to daily activities and economic operations. For example, in coastal regions like these —and like parts of Louisiana or Texas—such precautions are vital in protecting infrastructure and resources.

Live tides of new moon: Local visibility is emphasized during the peak flood times. Alerting residents to note high tide and beach time intervals may mitigate a severe impact: