Northern and Southern Cooks
Weather Bulletin issued from CIMS Nikao, Friday 24th May 2019 @ 11:00am CILT.
A DAMAGING HEAVY SWELL WARNING REMAINS IN FORCE FOR SOUTHERN COOK WATERS AND COASTAL AREAS.
A STRONG WIND WARNING REMAINS IN FORCE FOR LAND AREAS AND WATERS OF SOUTHERN COOKS.
A high pressure system together with a low pressure system to the far southwest of Cook Islands generates and directs damaging heavy southerly swells and strong winds towards Southern Cooks. Meanwhile, a trough of low pressure with associated cloud and rain remains slow moving over the group.
A trough of low pressure lies slow moving over the western parts of Northern Cooks. Meanwhile, a moist easterly wind flow prevails over the group.
Forecast to midnight tonight for the Southern Cooks:
Over coastal areas: Expect sea flooding of coastal areas especially during high tides.
Over open waters: Easterly winds 20 to 25 knots. Damaging heavy swells with heights of upto 4.5m. Rough seas.
Over land: Southeast wind 20 to 25 knots especially over the southern parts. Moderate to fresh easterly winds elsewhere.
Occasional rain, heavy at times and few thunderstorms over most places.
Further outlook: Rain easing to showers over northern parts. Fine
apart from brief showers elsewhere. Swells gradually abating.
Expect sea flooding of coastal areas especially during high tides.
Southeast winds 20 to 25 knots.
Occasional rain, heavy at times and few thunderstorms.
Further outlook: Fine apart from brief showers.
For the Northern Cooks:
Occasional showers and isolated thunderstorms over Pukapuka and Suwarrow. Fine apart from brief showers elsewhere.
Moderate easterly winds, fresh at times.
Moderate to rough seas.
Further outlook: Fine apart from brief showers over most places.