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 202024UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 466
Part 2 - Situation analysis at 201800UTC:
Trough T1 31S 168E 40S 179E 47S 167W, moving east 10kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 1200 nautical miles west of T1: Southeast quarter 30kt at times, with gales as in warnings 466, areas of poor visibility in rain with possible thunderstorms, areas of heavy southerly swell.
Within 240 nautical miles east of T1: Areas of poor visibility in rain with possible thunderstorms.
Outlook for the following 72 hours:
Low expected near 40S 180E at 211200UTC, moving east. About low: Clockwise 30kt to gale, easing by 221200UTC. South of 30S and west of 175W: Heavy southeast swell, easing by 230000UTC.
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 202024UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 466 467
Part 2 - Situation analysis at 201800UTC:
Trough T1 31S 168E 40S 179E 47S 167W, moving east 10kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 1200 nautical miles west of T1: Southeast quarter 30kt at times, with gales as in warnings 466 467, areas of poor visibility in rain with possible thunderstorms, areas of heavy southerly swell.
Within 240 nautical miles east of T1: Areas of poor visibility in rain with possible thunderstorms.
Outlook for the following 72 hours:
Low expected near 40S 180E at 211200UTC, moving east. About low: Clockwise 30kt to gale, easing by 221200UTC. South of 50S: Westerly quarter 30kt to gale at times. Ridge expected along 50S at 211200UTC, moving north. North of ridge: Heavy southerly quarter swell, easing by 230000UTC. South of ridge: Heavy westerly quarter swell developing by 221200UTC.
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 202024UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 463 464 468 469
Part 2 - Situation analysis at 201800UTC:
Area A1 bounded by 70S 153W 67S 146W 63S 119W 70S 120W 70S 153W, slow moving.
Front F1 55S 125W 58S 128W 62S 134W, moving east 35kt.
Low L1 973hPa near 64S 141W, moving eastnortheast 35kt.
Area A2 bounded by 69S 167E 64S 178W 63S 166W 70S 159W 69S 167E, moving east 15kt.
Front F2 64S 166W 67S 164W 69S 162W, moving eastnortheast 20kt.
Front F3 56S 162E 63S 170E 67S 163E, moving east 25kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Heavy ice accretion as in warning 468.
Within 1080 nautical miles west of F1: Westerly quarter 30kt, with gales as in warning 463, areas of fog, areas of heavy southwest swell.
Within 120 nautical miles southeast of F1: Northeast 30kt.
Within 240 nautical miles of L1: Clockwise 25kt, with gales as in warning 464, areas of poor visibility in precipitation.
Within A2: Heavy ice accretion as in warning 469.
Within 240 nautical miles southwest of F2: Southwest 30kt.
Within 60 nautical miles of F3: Areas of poor visibility in precipitation.
Southern Ice Edge between 160E and 120W issued 20 Apr 2026 UTC
63.9S,160.0E 68.5S,170.0E 67.5S,180.0
67.4S,170.0W 68.0S,160.0W 68.3S,150.0W
68.5S,140.0W 67.9S,130.0W 67.3S,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 202024UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 462 463 465
Part 2 - Situation analysis at 201800UTC:
Front F1 29S 134W 32S 127W 33S 120W, slow moving.
Front F2 48S 166W 51S 162W 55S 150W, moving east 40kt.
Low L1 1005hPa near 41S 158W, moving southeast 20kt.
Low L2 1001hPa near 51S 164W, moving northeast 5kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 240 nautical miles south of F1: Southeast 30kt at times.
North of F1: Areas of poor visibility in rain with possible thunderstorms.
East of F2: Westerly quarter 25kt, with gales as in warnings 462 463, areas of heavy westerly swell.
Within 660 nautical miles east of F2: Areas of fog.
Within 120 nautical miles southwest of F2: Heavy southwest swell.
Within 180 nautical miles of L1 in eastern semicircle: Clockwise 25kt, easing by 210600UTC, areas of poor visibility in rain.
Within 240 nautical miles of L2: Clockwise 25kt at times, with gales as in warning 465, areas of poor visibility in rain.
Outlook for the following 72 hours:
South of 40S: Heavy westerly quarter swell at times. First front expected near 50S 138W to 55S 125W at 211200UTC, moving east. East of first front: Westerly quarter 30kt to gale. West of first front: Southwest 30kt to gale. Low 1 near 50S 160W, moving east. Clockwise 30kt to gale around low 1, easing by 220300UTC. Front 2 near 52S 170W to 55S 165W expected by 222100UTC, moving east. East of front 2: Northwest 30kt to gale easing by 230600UTC. West of front 2: Southwest 30kt to gale, easing by 232100UTC. Low 2 near 50S 143W deepening by 232100UTC, moving east. Clockwise 30kt to gale.
MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE Apr 202000 UTC.
PART 1 : WARNING NIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Apr 211800 UTC.
TROUGH T1 14S 160E 16S 165E 18S 170E TO STATIONARY FRONT SF1 20S
174E 22S 180 25S 177W SLOW MOVING. POOR VISIBILITY IN OCCASIONAL
RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 140 NAUTICAL MILES
OF T1.
TROUGH T2 EQT 169E 04S 172E 09S 174E 12S 175E 15S 176E 17S 177E 19S
178E 21S 180 SLOW MOVING. POOR VISIBILITY IN OCCASIONAL RAIN AND FEW
THUNDERSTORMS WITHIN 150 NAUTICAL MILES IN THE AREA NORTH OF 13S OF
T2. ELSEWHERE IN POOR VISIBILITY IN OCCASIONAL SHOWERS AND POSSIBLE
THUNDERSTORMS WITHIN 100 NAUTICAL MILES OF T2.
TROUGH T3 13S 179E 20S 177W 22S 175W 25S 173W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL SHOWERS AND FEW THUNDERSTORMS WITHIN 100
NAUTICAL MILES OF T3.
TROUGH T4 04S 175E 05S 180 05S 170W 05S 160W 05S 155W 04S 144W SLOW
MOVING. POOR VISIBILITY IN OCCASIONAL SHOWERS AND ISOLATED
THUNDERSTORMS WITHIN 150 NAUTICAL MILES OF T4.
TROUGH T5 15S 145W 20S 146W 25S 146W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 150 NAUTICAL
MILES OF T5.
IN THE AREA SOUTH OF 20S AND WEST OF 165E, EXPECT MODERATE SOUTHERLY
SWELLS.