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 200810UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 452 453
Part 2 - Situation analysis at 200600UTC:
Area A1 bounded by 40S 170E 40S 170W 50S 170W 40S 170E, slow moving.
Area A2 bounded by 46S 170W 53S 170W 52S 173W 48S 175W 46S 170W, slow moving.
Ridge R1 48S 160E 48S 178E 46S 170W, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Areas of poor visibility in rain.
Within A2: Westerly quarter 25kt, easing by 210000UTC.
North of R1: Southeast 30kt at times, with gales as in warnings 452 453, poor visibility in showers and rain.
Outlook for the following 72 hours:
Low near 40S 180E, moving east. Around low: Clockwise 30kt to gale, easing by 221200UTC. South of 50S: Westerly quarter 30kt to gale at times. Ridge along 50S, moving north. North of ridge: Heavy southerly quarter swell, easing by 230000UTC. South of ridge: Heavy westerly quarter swell developing by 2212000UTC.
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 200810UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 452
Part 2 - Situation analysis at 200600UTC:
Front F1 25S 179W 32S 179W 40S 179W, moving east 10kt.
Area A1 bounded by 25S 176E 40S 176E 40S 163E 29S 170E 25S 170E 25S 176E, slow moving.
Low L1 997hPa near 34S 170E, moving southeast 25kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 300 nautical miles east of F1: Areas of poor visibility in rain.
Within A1: Areas of heavy swell.
Within 540 nautical miles of L1: Clockwise 30kt at times, with gales as in warning 452, areas of poor visibility in rain with possible thunderstorms.
Outlook for the following 72 hours:
Low near 40S 180E, moving east. Around 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 SOUTHERN
Area from 55S to southern ice edge between 160E and 120W.
Issued by Meteorological Service of New Zealand,
Wellington issued at 200810UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 450 451 454 455
Part 2 - Situation analysis at 200600UTC:
Area A1 bounded by 71S 156W 67S 147W 63S 120W 69S 120W 71S 156W, slow moving.
Ridge R1 55S 129W 59S 132W 65S 139W, moving east 30kt.
Front F1 54S 130W 59S 137W 63S 150W, moving east 20kt.
Low L1 978hPa near 63S 155W, moving east 30kt.
Area A2 bounded by 65S 173E 64S 170W 72S 161W 71S 162E 65S 173E, moving eastnortheast 15kt.
Front F2 58S 172W 63S 173W 68S 171W, moving east 25kt.
Ridge R2 expected near 55S 167E 59S 168E 62S 167E by 211200UTC.
Front F3 61S 164E 65S 162E 67S 153E, moving east 20kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Heavy ice accretion as in warning 454.
East of R1: Southwest 30kt, areas of heavy westerly quarter swell.
Within 300 nautical miles west of R1 from 55S 129W to 59S 132W: Areas of heavy westerly quarter swell.
Within 960 nautical miles northwest of F1: Areas of fog, with poor visibility in precipitation.
Within 600 nautical miles of L1 in northern semicircle: Clockwise 30kt at times, with gales as in warning 450, areas of heavy swell.
Within 360 nautical miles of L1 in southern semicircle: Clockwise 30kt, with gales as in warning 451, areas of heavy swell.
Within A2: Heavy ice accretion as in warning 455.
Within 420 nautical miles west of F2: Southwest 30kt at times.
West of R2: Northwest 25kt.
Within 420 nautical miles northwest of F3: Westerly 25kt at times, fog, with poor visibility in precipitation at times.
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 200810UTC Valid until 211200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 450
Part 2 - Situation analysis at 200600UTC:
Trough T1 22S 126W 30S 125W 38S 116W, slow moving.
Ridge R1 46S 170W 47S 149W 45S 120W, slow moving.
Front F1 54S 130W 59S 137W 63S 150W, moving east 20kt.
Front F2 24S 148W 33S 150W 44S 153W, moving east 10kt.
Low L1 1002hPa near 38S 159W, moving southsoutheast 15kt.
Low L2 1001hPa near 51S 164W, moving east 10kt, deepening by 201800UTC.
Ridge R2 expected near 30S 165W 37S 165W 47S 166W by 210000UTC, then moving southeast 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 180 nautical miles of T1: Areas of poor visibility in rain.
Within 600 nautical miles west of T1 from 30S 125W to 38S 116W: Southeast 25kt.
South of R1: Westerly quarter 30kt, with gales as in warning 450, areas of heavy westerly quarter swell.
Within 960 nautical miles northwest of F1: Areas of fog, with poor visibility in precipitation.
Within 180 nautical miles of F2: Areas of poor visibility in rain.
Within 300 nautical miles of L1 in sector from northwest through northeast to south: Clockwise 25kt, easing by 210600UTC, poor visibility in rain at times.
Within 240 nautical miles of L2: Clockwise 30kt.
Northwest of R2: Areas of poor visibility in rain developing by 210000UTC.
Outlook for the following 72 hours:
South of 40S: Heavy westerly quarter swell at times. Front 1 near 50S 138W to 55S 125W, moving east. East of front 1: Westerly quarter 30kt to gale. West of front 1: 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 EQUATOR to 25S between 160E and
120W
issued by Fiji Meteorological Service Apr 200800 UTC.
PART 1 : WARNINGNIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Apr 210600 UTC.
TROUGH T1 15S 160E 20S 171E SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 140
NAUTICAL MILES OF T1.
TROUGH T2 13S 171E 25S 175W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN AND FEW THUNDERSTORMS WITHIN 120 NAUTICAL MILES OF
T2.
WEAK TROUGH T3 18S 160W 25S 151W SLOW MOVING. POOR VISIBILITY IN SOME
SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 NAUTICAL MILES OF T3.
WEAK TROUGH T4 09S 174E 10S 158W 18S 142W SLOW MOVING. POOR
VISIBILITY IN SOME SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100
NAUTICAL MILES OF T4.
IN THE AREA SOUTH OF 20S AND WEST OF 165E, EXPECT MODERATE SOUTHERLY
SWELLS.