North Sails Weather Forecast – Fri 27 – North Sails Day 3

Posted on
UPDATE FRI 27    8.10am
There is a gale warning current from MetService.
SITUATION
Low pressure has been off the NW – it is now edging closer to the top of the North Island with the low very close to the 3 Kings by late today.
It is natural to think that as the low pressure comes closer, so the wind will be the strongest – not the case! The strongest wind is in the circulation of the low in the compression between the low and the high pressure system.
As the low comes closer, to the band of strongest wind will move further south – max NNE wind will likely be mid morning, the NNE wind will then slowly ease back this afternoon. The strongest wind will move south – down to Tutukaka and then closer to Auckland later in the day.
A new low pressure will move down the trough line to the north and come closer during Monday with ENE wind increasing 20-25 then 25-30 kt on Monday and peaking NE-NNE/30-40 kts Monday night and much of Tuesday.
More locally heavy rain on Monday and particularly Tuesday with this next system.
The NNE-NE wind will then slowly ease across the 2nd half of next week 25-20 to 15 kts by Friday 3rd.
TODAY
Max wind today by mid morning and more left from NNE.
Wind should ease from midday
Heaviest rain also prior to midday, the rain then decreasing to showers.
There is the chance of a thunderstorm.
Waves inside the Bay of 2.5m decreasing to 2m then 1.5m late in the day.
2.5 to 3m NE swell outside the Bay
FORECAST (average TWS, not gust)
0800  020-040/27-35
1000  020-040/25-30
1200  010-030/22-28
1400  010-030/17-23
1600  360-020/15-20
1800  360-020/14-18
GETTING BACK SOUTH
SAT 28  N-NE/13-17shifting NE/14-18 going south; a few showers
SUN 29  NE-NNE/12-16 shifting NNE/15-20 going south; few showers
End

FRI 27    THU 26/11.30pm

This forecast will be updated around 8.15-8.30am in the morning.
There is a gale warning current from MetService.
SITUATION
Low pressure has been off the NW – it is now edging closer to the top of the North Island with the low very close to the 3 Kings by late today.
It is natural to think that as the low pressure comes closer, so the wind will be the strongest – not the case! The strongest wind is in the circulation of the low and the compression between the low and the high pressure system well away to the SE.
As the low comes closer, to the band of strongest wind will move further south – max NNE wind will likely be mid morning, the NNE wind then easing back midday and during the afternoon. The strongest wind will be further south – down to Whangarei and then closer to Auckland by late in the day.
A new low pressure will move down the trough line to the north and come closer during Monday with ENE wind increasing 20-25 then 25-30 kt on Monday and peaking NE-NNE/30-35 kts Monday night and much of Tuesday.
More locally heavy rain from Sunday night to Tuesday with this next system.
The NNE-NE wind will then slowly ease across the 2nd half of next week 25-20 to 15 kts by Friday 3rd.
TODAY
Max wind today by mid morning and more left from NNE-N.
Wind should ease from late morning – midday at latest?
Heaviest rain also prior to midday, the rain then decreasing to showers.
There is the chance of a thunderstorm.
Waves inside the Bay of 2.5m decreasing to 2.2m then 1.6m late in the day.
2.5 to 3m NE swell outside the Bay
FORECAST (average TWS, not gust)
0800  360-020/27-33
1000  360-020/25-30
1200  350-010/24-28 easing
1400  350-010/18-23
1600  350-010/17-21
1800  360-020/16-20
GETTING BACK SOUTH
SAT 28  NE-N/10-15 shifting NE/14-18 going south; a few showers
SUN 29  NE-NNE/10-15 shifting NNE/15-20 going south; few showers
End