
Hazardous Marine and Coastal Conditions Expected in St. Thomas, St. John and Puerto Rico
- Staff Consortium
- March 13, 2025
The National Weather Service in San Juan has issued multiple weather advisories due to hazardous marine and coastal conditions affecting the Atlantic waters, northern coast of Puerto Rico, Culebra, St. Thomas, and St. John. A long-period northwesterly swell is driving these conditions, which are expected to create dangerous waves, strong rip currents, and hazardous seas throughout the day. For marine hazards, a Small Craft Advisory is in effect for offshore Atlantic waters until 6:00 p.m. this evening. Mariners are advised to exercise caution as rough seas pose a significant risk to small vessels. For coastal hazards, the NWS has issued two key alerts: High Risk of Rip Currents: Coastal areas along the northern coast of Puerto Rico, Culebra, St. Thomas, and St. John will experience dangerous rip currents through late Thursday night. These currents pose a serious threat, even to experienced swimmers. Breaking waves will range from 6 to 7 feet in Culebra, St. Thomas, and St. John,...