WONT54 EGRR 270759 SECURITE STORM WARNING AT 270000UTC, LOW 66 NORTH 23 WEST 915 EXPECTED 68 NORTH 09 WEST 987 BY 280000UTC. NORTHERLY OR NORTHEASTERLY WINDS WILL CONTINUE TO REACH STORM FORCE 10 CLOSE TO THE ICE EDGE TO THE NORTH OF 67 NORTH IN BOTH DENMARK STRAIT AND NORTH ICELAND THROUGHOUT THE FORECAST PERIOD, WITH VIOLENT STORM FORCE 11 IN DENMARK STRAIT