MARINE WEATHER BULLETIN FOR SUBTROPIC
Area from 25S to 40S, western boundary from 40S 163E to 29S 170E then to 25S 170E, eastern boundary 170W.
Issued by Meteorological Service of New Zealand,
Wellington issued at 230812UTC Valid until 241200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 230600UTC:
Low L1 1018hPa near 33S 176E, moving southwest 5kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 180 nautical miles of L1 in southwest semicircle: Clockwise 30kt developing by 240000UTC, areas of poor visibility in rain.
Outlook for the following 72 hours:
First low expected near 35S 173E at 241200UTC, moving north. In southwest quadrant of first low: Clockwise winds 30kt, easing by 261200UTC. Second low developing near 25S 180E by 270000UTC, then moving southeast. About second low: Clockwise winds 30kt.
MARINE WEATHER BULLETIN FOR FORTIES
Area from 40S to 55S, western boundary from 40S 163E to 45S 160E then to 55S 160E, eastern boundary 170W.
Issued by Meteorological Service of New Zealand,
Wellington issued at 230812UTC Valid until 241200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 524 525
Part 2 - Situation analysis at 230600UTC:
Ridge R1 43S 159E 47S 170E 42S 170W, moving north 5kt.
Part 3 - Forecast:
Refer to latest warnings.
South of R1: Westerly quarter 30kt, with gales as in warnings 524 525, areas of heavy southwest swell.
Outlook for the following 72 hours:
Ridge along 42S, moving slowly north. South of ridge: Westerly quarter 30kt to gale, areas of heavy southwest swell.
MARINE WEATHER BULLETIN FOR SOUTHERN
Area from 55S to southern ice edge between 160E and 120W.
Issued by Meteorological Service of New Zealand,
Wellington issued at 230812UTC Valid until 241200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 523 524 525 526 527
Part 2 - Situation analysis at 230600UTC:
Area A1 bounded by 55S 144W 55S 120W 59S 120W 58S 138W 55S 144W, slow moving.
Area A2 bounded by 69S 139W 67S 138W 66S 120W 68S 120W 69S 139W, slow moving.
Low L1 977hPa near 58S 134W, moving eastsoutheast 25kt.
Area A3 bounded by 62S 160E 67S 174W 65S 164W 69S 143W 70S 160E 62S 160E, slow moving.
Low L2 968hPa near 58S 160W, moving eastnortheast 20kt.
Front F1 55S 162W 57S 161W 62S 163W, moving east 20kt.
Front F2 55S 178W 60S 174E 63S 166E, moving east 25kt.
Low L3 971hPa near 61S 141E, moving east 40kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Fog developing by 240600UTC.
Within A2: Moderate ice accretion, clearing by 231800UTC.
Within 420 nautical miles of L1: Clockwise 30kt at times, areas of poor visibility in precipitation.
Within 420 nautical miles of L1 in northeast quadrant: Areas of fog.
Within A3: Heavy ice accretion as in warnings 526 527.
Within 420 nautical miles of L2: Clockwise 25kt, with gales as in warning 523, areas of poor visibility in rain.
West of F1: Areas of heavy southwest swell.
West of F2: Westerly 30kt, with gales as in warnings 524 525.
Within 60 nautical miles southeast of F2: Northerly quarter 25kt, easing by 240000UTC, areas of poor visibility in precipitation.
Within 480 nautical miles of L3: Clockwise 30kt at times, with gales as in warning 525.
Southern Ice Edge between 160E and 120W issued 23 Apr 2026 UTC
64.3S,160.0E 68.4S,170.0E 67.9S,180.0
67.5S,170.0W 67.8S,160.0W 68.0S,150.0W
67.9S,140.0W 67.5S,130.0W 67.0S,120.0W
Ice edge not for navigational purposes.
MARINE WEATHER BULLETIN FOR PACIFIC
Area from 25S to 55S and 170W to 120W.
Issued by Meteorological Service of New Zealand,
Wellington issued at 230812UTC Valid until 241200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 523
Part 2 - Situation analysis at 230600UTC:
Trough T1 38S 126W 30S 134W 22S 135W, moving eastsoutheast 10kt.
Front F1 25S 169W 36S 149W 48S 149W, moving eastsoutheast 40kt.
Trough T2 38S 163W 45S 153W 55S 157W, moving east 25kt.
Low L1 968hPa near 58S 160W, moving eastnortheast 20kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 180 nautical miles of T1: Poor visibility in showers.
Within 120 nautical miles of F1: Areas of poor visibility in rain.
East of T2: Northerly quarter 30kt at times.
West of T2: Westerly quarter 30kt at times, with gales as in warning 523, areas of heavy southwest swell.
East of T2 from 45S 153W to 55S 157W: Areas of fog.
Within 420 nautical miles of L1: Clockwise 25kt, with gales as in warning 523, areas of poor visibility in rain.
Outlook for the following 72 hours:
First trough expected along 140W, south of 40S, at 241200UTC, moving east. East of first trough: Northerly quarter 30kt. West of first trough: Westerly quarter 30kt to gale, areas of heavy southwest swell. Second trough developing along 135W, north of 35S, by 260000UTC, then moving southeast. East of second trough: Northerly 30kt to gale.
MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE EQUATOR to 25S between 160E and
120W
issued by Fiji Meteorological Service Apr 230800 UTC.
PART 1 : WARNINGNIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Apr 240600 UTC.
TROUGH T1 12S 169E 15S 178E 22S 175W. SLOW MOVING. POOR VISIBILITY
IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 120
NAUTICAL MILES OF T1.
TROUGH T2 12S 160E 20S 175E 25S 171W. SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 120
NAUTICAL MILES OF T2.
TROUGH T3 13S 144W 20S 136W 25S 135W. SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 110 NAUTICAL
MILES OF T3.
WEAK TROUGH T4 07S 169E 07S 172W SLOW MOVING. POOR VISIBILITY IN SOME
SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 NAUTICAL MILES OF T4.
IN THE AREA SOUTH OF 16S AND WEST OF 175W, EXPECT MODERATE SOUTHERLY
SWELLS.