ZCZC WE52 VALENTIA CGR SEA AREA FORECAST UNTIL 30/09/2026 18:00 ISSUED: 29/09/2026 17:00 (HEAVY SWELL): DEVELOPING WEDNESDAY AFTERNOON IN THE WEST AND SOUTHWEST. METEOROLOGICAL SITUATION AT 1500 UTC A NEAR GALE TO STRONG GALE FORCE SOUTHEASTERLY AIRFLOW COVERS IRELAND GENERATED BY A RAPIDLY DEEPENING DEPRESSION OF 979HPA CENTRED APPROXIMATELY 260 NAUTICAL MILES WEST OF LOOP HEAD. ASSOCIATED FRONTAL TROUGHS WILL TRACK NORTHEASTWARDS THROUGH THIS EVENING AND EARLY TONIGHT FOLLOWED BY A FRESH TO NEAR GALE FORCE SOUTH TO SOUTHWEST AIRFLOW. FORECAST FOR LOOP HEAD TO ERRIS HEAD TO FAIR HEAD WIND: SOUTHEASTERLY FORCE 7 TO STRONG GALE FORCE 9 AND GUSTY. DECREASING SOUTHERLY FORCE 6 OR 7 OCCASIONALLY GALE FORCE 8 AND GUSTY IMMINENT. FURTHER DECREASING FORCE 5 TO 7 AND GUSTY SOON. LATER BECOMING SOUTH TO SOUTHWEST FORCE 6 OR 7 OCCASIONALLY REACHING GALE FORCE 8 IN THE NORTHWEST. WEATHER: MOSTLY CLOUDY WITH OUTBREAKS OF RAIN HEAVY AT TIMES. SOME MIST PATCHES. CLOUDY TO FAIR WITH SHOWERS IMMINENT AND SOON SOME HEAVY WITH A CHANCE OF ISOLATED THUNDERSTORMS. VISIBILITY: REDUCING MODERATE OR POOR IN PRECIPITATION AND MIST OTHERWISE GOOD. FORECAST FOR FAIR HEAD TO HOWTH HEAD TO ROCHES POINT AND FOR THE IRISH SEA WIND: SOUTHEASTERLY FORCE 6 TO GALE FORCE 8 AND GUSTY. SOON SOUTHERLY FORCE 5 OR 6 AND GUSTY. LATER INCREASING FORCE 5 TO 7 AND GUSTY. BECOMING SOUTH TO SOUTHWEST FORCE 5 OR 6 BY THE END OF THE PERIOD. WEATHER: OUTBREAKS OF RAIN IMMINENT HEAVY AT TIMES. MIST PATCHES. CLOUDY TO FAIR SOON WITH SHOWERS SOME HEAVY WITH A CHANCE OF ISOLATED THUNDERSTORMS. VISIBILITY: REDUCING MODERATE OR POOR IN PRECIPITATION AND MIST OTHERWISE GOOD. FORECAST FOR ROCHES POINT TO VALENTIA TO LOOP HEAD WIND: SOUTHERLY FORCE 6 OR 7 AND GUSTY IMMINENT. SOON SOUTH TO SOUTHWEST FORCE 5 OR 6. VEERING SOUTHWEST FORCE 5 TO 7 AND GUSTY LATER. WEATHER: CLOUDY TO FAIR IMMINENT WITH SHOWERS SOME HEAVY WITH ISOLATED THUNDERSTORMS. VISIBILITY: REDUCING MODERATE OR POOR IN PRECIPITATION OTHERWISE GOOD. OUTLOOK FOR A FURTHER 24 HOURS UNTIL THURSDAY 01/10/2026 18:00 FRESH TO NEAR GALE FORCE AND GUSTY SOUTH TO SOUTHWEST WINDS EASING MODERATE TO STRONG WEST TO SOUTHWEST. LATER BACKING SOUTH TO SOUTHWEST MODERATE TO FRESH IN THE EAST AND FRESH TO STRONG FURTHER WEST. CLOUDY TO FAIR WITH OCCASIONAL SHOWERS SOME HEAVY PROLONGED OR THUNDERY. COASTAL REPORTS ISSUED AT: 29/09/2026 17:00 BUOY M5 519 41'N 6 42'W SOUTHEAST 26 KNOTS GUST 35 KNOTS WAVE HT:2.9 M 999 FALLING BUOY M2 539 29'N 52 26'W SOUTHEAST 22 KNOTS WAVE HT:2.1 M 1002 FALLING BUOY M3 519 13'N 109 33'W SOUTH-SOUTHWEST 33 KNOTS GUST 45 KNOTS WAVE HT:6.3 M 985 FALLING SLOWLY BUOY M6 539 4'N 159 56'W WEST-NORTHWEST 11 KNOTS GUST 22 KNOTS WAVE HT:5.3 M 970 FALLING RAPIDLY EJK NNNN