Weather Update – Potential Tropical Cyclone 19
The Cayman Islands National Weather Service (CINWS) continues to monitor a low-pressure system in the Caribbean Sea, designated Potential Tropical Cyclone 19. Associated rain showers are expected to impact the Cayman Islands starting today, 13 November, and may persist into early next week as the system remains in the western Caribbean.
Rainfall estimates for the upcoming days are as follows:
- Grand Cayman: Up to 10 inches throughout the week, with the heaviest rainfall anticipated on Friday, 15th
- Sister Islands: Up to 8 inches throughout the week, with the heaviest rain expected on Friday, 15th
With ground already saturated from recent rainfall, residents are advised to prepare for an elevated risk of flooding. A Flood Warning will be in effect from 15 to 16 November.
Wind and Marine Conditions:
This system is forecast to bring increased winds and rough seas around the Cayman Islands:
- Wind Speeds: Sustained winds of 15–20 knots (17-23 mph) over the next two days increasing to 20-25 knots (23-29 mph) with higher gusts expected over the weekend.
- Wave Heights: 5–7 feet from Thursday to Friday, increasing to 6–8 feet from Saturday through Monday.
A Small Craft Advisory will be in effect from 14 to 15 November, escalating to a Small Craft Warning from 16 to 18 November. Mariners are advised to exercise caution in anticipation of strong winds and high seas.
The public is encouraged to stay informed by following updates from the CINWS and Hazard Management Cayman Islands (HMCI) for further developments.
Stay safe and vigilant as we continue to monitor this situation closely.