Frequency of Issue

TAF - DOMESTIC

New Zealand aerodromes except NZAA, NZWN, NZCH, NZHN, NZQN

Aerodromes Issue Times1 Validity Period1 Validity
Period (Hrs)
WP 1725
2330
1800 - 1800
0000 - 0000
24
24
KK, KT, WR, TG, WK, RO, AP, NP, WU, PM, OH, PP, GS, NR, WB, NS, WS, HK, MF, TU, DN, NV, MC, WF, MO, LX, OU 1430 - 16302
2130 - 22152
1400 - 0700
2100 - 1200
17
15
WR, PM, PP, WB, NS, DN, NV 0200 - 03152 0200 - 1900 17
MS 1430
2130
1400 - 0700
2100 - 1500
17
18
TG 0200 0200 - 2100 19
CI 1545
1830
1400 - 0700
1900 - 1200
17
17

1Issue and validity times one hour earlier during NZDT.

2Because of the number of TAFs to be issued, these are issued over the issue period shown, i.e., the first TAF in a group will be issued at or about the beginning of the issue period shown, and the last TAF in a group will be issued no later than the end of the issue period shown.

NZHN & NZQN
Aerodromes Issue Times1 Validity Period1 Validity
Period (Hrs)
HN 2300
0500
1100
1700
0000 - 0000
0600 - 0600
1200 - 1200
1800 - 1800
24
24
24
24
QN 1130
1730
1200 - 0600
1800 - 1200
18
18

1Issue and validity times the same during NZST and NZDT.

TAF - INTERNATIONAL

NZAA, NZWN & NZCH1

Aerodromes Issue Times Validity Period2 Validity
Period (Hrs)
AA. WN. CH 2315
0515
1115
1715
0000 - 0000
0600 - 0600
1200 - 1200
1800 - 1800
24
24
24
24

1Available for international and domestic flights. The TAFs are also included in the Auckland VOLMET broadcasts.

2The TAFs should not be used before the commencement of the validity periods shown.

METAR - Three major New Zealand aerodromes

NZAA, NZWN & NZCH

Aerodromes METAR AUTO SPECI TREND
Validity
(Hrs)
AA, WN, CH Issued every 30
minutes on the hour and half hour, 24/7
Not issued 2

METAR - New Zealand aerodromes except AA, WN &CH

Aerodromes METAR SPECI TREND
Validity
(Hrs)
WP, OH, MF METAR issued hourly on the hour during ATS operations Issued as required 2 hours and issued for
WP & OH only
All other NZ
aerodromes including the Chatham Is
METAR AUTO issued every 30
minutes, on the hour and half hour, 24/7
Not issued Not issued

ARFOR

Areas Issue Times1 Validity Period1 Validity
Period (Hrs)
FN, TA, TK, ED, MH, CP, SA, DV, ST, TN, WW, KA, AL, PL, CY, GE, FD 1730 - 18102
2330 - 18102
1700 - 0200
2300 - 1200
9
13

1Issue and validity times one hour earlier during NZDT.

2Because of the number of ARFORs to be issued, these are issued over the issue period shown, ie, the first ARFOR in the group will be issued at or about the beginning of the issue period shown, and the last ARFOR in the group will be issued no later than the end of the issue period shown.

GRIB

Areas Issue Times Valid Times Issue Frequency
GRIB

Wind, Temperature, Humidity, Icing, Turbulence, CB cloud and Tropopause)
0430 0600, 0900, 1200, 1500, 1800, 2100, 0000, 0300, 0600, 0900, 1200 Daily
1030 1200, 1500, 1800, 2100, 0000, 0300, 0600, 0900, 1200, 1500 1800 Daily
1630 1800, 2100, 0000, 0300, 0600, 0900, 1200, 1500, 1800, 2100, 0000 Daily
2230 0000, 0300, 0600, 0900, 1200, 1500, 1800, 2100, 0000, 0300, 0600 Daily

SIGWX Charts

Type of Forecast Issue Times Valid Times1 Issue Frequency
High Level
(FL250-FL630)
Medium Level
(FL100-FL250)

0300
0900
1500
2100

1800
0000
0600
1200
Daily
Daily
Daily
Daily

1Charts have a validity of +/- 3 hours of the stated valid times

Wind and Temperature Charts

Type of Forecast Issue Times Valid Times1 Issue Frequency
Wind and Temperature 0530
1130
1730
2330

1200, 1800, 0000, 0600
1800, 0000, 0600, 1200
0000, 0600, 1200, 1800
0600, 1200, 1800, 0000

Daily
Daily
Daily
Daily

1Charts have a validity of +/- 3 hours of the stated valid times

ROFOR

Type of Forecast Issue Time Valid Time issue Frequency
ROFOR As requested by individual aircraft operators