Warkworth Region

Tuesday 26th December - Very humid. Rain, possibly heavy and thundery this morning. Fine spells from afternoon as rain eases to isolated showers. Westerlies. Very hot.

Heavy Rain Watch

Period: 11hrs from 4am - 3pm Tue, 26 Dec

Area: Northland, Auckland north of Orewa, Great Barrier Island and the Coromandel Peninsula north of Whitianga

Forecast: Periods of heavy rain with thunderstorms possible and rainfall accumulations may approach warning amounts over the area and possibly exceed warning amounts in localised areas. Rainfall rates may reach 20 to 40 mm per hour in one or two places, regardless of whether thunderstorms occur or not.

Wednesday 27th December - Fine. Southwesterlies, easing in the evening.

Thursday 28th December - Partly cloudy. Northeasterlies, becoming fresh in the morning.

Friday 29th December - Cloudy, with occasional rain developing. Northerlies, becoming fresh

Saturday 30th - Showers, becoming isolated with longer fine breaks. Westerlies.

Sunday 31st - Showers, becoming widespread and heavier later. Northwesterlies, turning to fresh southwesterlies.

Monday 1st January - Partly cloudy. Southwesterlies.

Mangawhai Region

Tuesday 26th December - Rain, possibly heavy and thundery, easing this afternoon. Northwesterlies easing this evening. Hot and muggy.

Heavy Rain Watch

Period: 11hrs from 4am - 3pm Tue, 26 Dec

Area: Northland, Auckland north of Orewa, Great Barrier Island and the Coromandel Peninsula north of Whitianga

Forecast: Periods of heavy rain with thunderstorms possible and rainfall accumulations may approach warning amounts over the area and possibly exceed warning amounts in localised areas. Rainfall rates may reach 20 to 40 mm per hour in one or two places, regardless of whether thunderstorms occur or not.

Severe Thunderstorm Watch

Period: 6hrs from 11am - 5pm Tue, 26 Dec

Area: Northland

Forecast: A moist northwesterly flow is expected to bring frequent showers to Northland today. Thunderstorms are likely and there is a risk of severe thunderstorms bringing localised downpours, 25 to 40 mm per hour late morning and during the afternoon. Rainfall of this intensity can cause surface and/or flash flooding, especially about low-lying areas such as streams, rivers or narrow valleys, and may also lead to slips.

Issued: 8:21am Tue 26 Dec

Wednesday 27th December - Fine. Southwesterlies, easing in the evening.

Thursday 28th December - Partly cloudy, chance of a shower. Northeasterlies developing in the morning.

Friday 29th December - Cloudy, with occasional rain developing. Northerlies.

Saturday 30th - Showers, clearing and becoming fine. Westerlies.

Sunday 31st - Partly cloudy, with showers developing. Northwesterlies.

Monday 1st January - Partly cloudy. Southwesterlies.