MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE Mar 172000 UTC.
PART 1 : WARNING NIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Mar 181800 UTC.
LOW PRESSURE L1 CENTRE [1008HPA] WAS ANALYSED NEAR 23.0S 179.0W AT
171800UTC. POSITION POOR. SLOW MOVING.
LOW PRESSURE L2 CENTER [1013HPA] WAS ANALYSED NEAR 22.0S 164.0W AT
171800UTC. POSITION POOR. SLOW MOVING.
TROUGH T1 14S 160E 13S 166E 15S 174E TO L1 TO 25S 179W. T1 SLOW
MOVING. POOR VISIBILITY IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW
THUNDERSTORMS WITHIN 120 NAUTICAL MILES OF T1 IN THE AREA EAST OF
170E. POOR VISIBILITY IN OCCASIONAL SHOWERS AND ISOLATED
THUNDERSTORMS WITHIN 100 NAUTICAL MILES OF T1 ELSEWHERE.
TROUGH T2 12S 177E 07S 170W 06S 155W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 120 NAUTICAL
MILES OF T2.
TROUGH T3 FM L2 TO 23S 150W 25S 143W. T3 SLOW MOVING . POOR
VISIBILITY IN SOME SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100
NAUTICAL MILES OF T3.
TROUGH T4 FM L2 TO 17S 155W 09S 146W. T4 SLOW MOVING. POOR VISIBILITY
IN OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN
120 NAUTICAL MILES OF T4.
IN THE AREA SOUTH OF T1, EXPECT MODERATE SOUTHERLY SWELLS.
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 171832UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 201
Part 2 - Situation analysis at 171800UTC:
Low L1 1007hPa near 29S 179W, moving southeast 10kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles of L1 in sector from east through south to northwest: Clockwise 30kt at times, with gales as in warning 201, areas of poor visibility in rain.
Within 480 nautical miles of L1 in sector from northwest through northeast to east: Areas of poor visibility in rain.
Outlook for the following 72 hours:
Low near 32S 178W, moving southsoutheast. Within 300 nautical miles of Low in southern semicircle: Clockwise 30kt to gale, areas of heavy swell.
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 171832UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 202 203
Part 2 - Situation analysis at 171800UTC:
Low L1 991hPa near 51S 170E, moving eastsoutheast 30kt.
Front F1 39S 163E 44S 168E 46S 169E, moving northeast 10kt, weakening by 180600UTC.
Ridge R1 48S 155E 53S 158E 56S 162E, moving east 30kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles of L1: Clockwise 30kt at times, with gales as in warnings 202 203, areas of poor visibility in rain.
Within 360 nautical miles of L1 in sector from north through east to southeast: Areas of fog.
Within 180 nautical miles of F1: Areas of poor visibility in rain.
West of R1: Northwest 30kt.
Outlook for the following 72 hours:
Low expected near 40S 176W by 200000UTC, moving eastsoutheast. Within 300 nautical miles of Low in sector from east through south to northwest: Clockwise 30kt to gale, areas of heavy swell. South of 50S: Westerly quarter 30kt to gale at times, easing by 200000UTC, areas of heavy westerly swell, easing by 200000UTC.
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 171832UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 200 203 204 205
Part 2 - Situation analysis at 171800UTC:
Low L1 981hPa near 63S 128W, moving southeast 25kt.
Ridge R1 55S 166W 61S 165W 68S 164W, moving east 25kt.
Area A1 bounded by 72S 169E 71S 170W 77S 180 72S 169E, slow moving.
Low L2 992hPa expected near 56S 179W by 180600UTC, then moving eastsoutheast 10kt.
Front F1 55S 177E 61S 174E 64S 171E, moving southeast 35kt.
Front F2 expected near 56S 169E 63S 164E 65S 158E by 180600UTC, then moving eastsoutheast 20kt.
Low L3 974hPa near 66S 167E, moving southeast 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 300 nautical miles of L1 in sector from northwest through northeast to east: Clockwise 30kt, with gales as in warning 200.
Within 540 nautical miles east of R1: Southwest quarter 25kt, easing by 180600UTC.
East of R1: Areas of heavy westerly quarter swell, easing by 180600UTC.
Within A1: Heavy ice accretion as in warning 205.
Within 540 nautical miles of L2 in sector from north through east to southeast: Clockwise 30kt, with gales as in warning 203, areas of fog, with poor visibility in rain.
Within 240 nautical miles of L2 in sector from southeast through southwest to north: Clockwise 25kt, areas of poor visibility in rain.
Within 300 nautical miles east of F1: Northerly quarter 25kt rising to 35KT by 181200UTC.
Within 360 nautical miles northwest of F1: Westerly quarter 25kt at times.
Within 420 nautical miles northwest of F2: Northwest quarter 30kt at times.
Within 300 nautical miles of L3: Clockwise 30kt developing by 180600UTC, with gales as in warning 204.
Within 300 nautical miles of L3 in sector from north through east to southeast: Areas of fog, with poor visibility in precipitation.
Southern Ice Edge between 160E and 120W issued 17 Mar 2026 UTC
68.1S,160.0E 71.2S,170.0E 76.8S,180.0
71.3S,170.0W 72.1S,160.0W 71.9S,150.0W
72.1S,140.0W 69.5S,130.0W 70.2S,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 171832UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 171800UTC:
Front F1 25S 132W 34S 128W 38S 126W, moving southsoutheast 30kt.
Front F2 45S 141W 50S 134W 53S 127W, moving eastsoutheast 30kt.
Front F3 37S 155W 39S 150W 44S 144W, moving eastnortheast 15kt.
Ridge R1 45S 163W 49S 160W 55S 157W, moving northeast 20kt.
Area A1 bounded by 47S 170W 55S 158W 55S 170W 47S 170W, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within 180 nautical miles of F1: Westerly 25kt, areas of fog, with poor visibility in rain.
Within 180 nautical miles of F2: Areas of poor visibility in rain.
Within 420 nautical miles southwest of F2: Areas of heavy westerly quarter swell, easing by 180000UTC.
Within 120 nautical miles of F3: Areas of poor visibility in rain.
Within 360 nautical miles northeast of R1: Southerly 30kt at times.
Within A1: Northwest quarter 35kt developing by 181200UTC.
Outlook for the following 72 hours:
First Low near 40S 142W, moving east. Within 660 nautical miles of First Low in western quadrant: Clockwise 30kt to gale developing by 181800UTC and easing by 200600UTC, heavy southwest quarter swell developing by 191800UTC and easing by 211200UTC. Within 600 nautical miles of First Low in southern quadrant: Clockwise 30kt to gale developing by 190600UTC and easing by 200600UTC, areas of heavy swell developing by 190600UTC and easing by 211200UTC. Within 600 nautical miles of First Low in northern quadrant: Areas of heavy southwest swell developing by 191800UTC. Second Low expected near 42S 170W by 210000UTC, moving eastsoutheastt. Within 300 nautical miles of Second Low in southeast semicircle: Clockwise 30kt to gale at times, areas of heavy swell.