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 Mar 170800 UTC.
PART 1 : WARNINGNIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Mar 180600 UTC.
LOW PRESSURE L CENTRE [1013HPA] WAS ANALYSED NEAR 23.0S 161.0W AT
170600UTC. POSITION POOR. SLOW MOVING.
TROUGH T1 14S 160E 21S 175E 25S 178W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 160
NAUTICAL MILES OF T1.
TROUGH T2 05S 168E 10S 180 11S 170W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 180
NAUTICAL MILES OF T2.
TROUGH T3 18S 170W 20S 175W 25S 176W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 130
NAUTICAL MILES OF T3.
TROUGH T4 19S 165W 18S 162W 20S 160W TO L TO 24S 155W 19S 145W 25S
128W SLOW MOVING. POOR VISIBILITY IN SOME SHOWERS AND ISOLATED
THUNDERSTORMS WITHIN 080 NAUTICAL MILES OF T4.
TROUGH T5 08S 163W 11S 150W 16S 139W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS, HEAVY AT TIMES AND ISOLATED THUNDERSTORMS WITHIN
100 NAUTICAL MILES OF T5.
IN THE AREA SOUTH OF 18S AND WEST OF T1, EXPECT SOUTHEASTERLY WINDS
20 TO 25 KNOTS. ROUGH SEAS. MODERATE SOUTHWESTERLY 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 170604UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 170600UTC:
Low L1 1011hPa near 25S 178W, moving south 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles of L1 in sector from east through south to northwest: Clockwise 25kt developing by 180000UTC, poor visibility in showers and 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 170604UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 195
Part 2 - Situation analysis at 170600UTC:
Area A1 bounded by 50S 160E 50S 170E 55S 170E 55S 160E 50S 160E, slow moving.
Front F1 40S 158E 45S 161E 51S 165E, moving southeast 35kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Northwest 25kt developing by 180600UTC, areas of heavy westerly swell.
Within 420 nautical miles east of F1: Northwest 30kt, with gales as in warning 195, poor visibility in showers and rain.
Within 240 nautical miles west of F1: Southwest 25kt, areas of heavy westerly quarter swell.
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 170604UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 196
Part 2 - Situation analysis at 170600UTC:
Low L1 987hPa near 59S 138W, moving eastsoutheast 30kt.
Area A1 bounded by 70S 168E 73S 179E 71S 170W 77S 167W 77S 167E 70S 168E, slow moving.
Ridge R1 55S 174W 60S 175W 69S 173E, moving east 25kt.
Front F1 50S 170E 60S 167E 64S 159E 65S 151E, moving eastsoutheast 25kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 240 nautical miles of L1 in sector from west through north to southeast: Clockwise 30kt at times.
Within A1: Westerly 25kt, heavy ice accretion as in warning 196.
Within 960 nautical miles east of R1: Southwest quarter 25kt at times, areas of heavy westerly swell.
Within 300 nautical miles southeast of F1: Northerly quarter 25kt, areas of poor visibility in precipitation, areas of heavy swell.
Northwest of F1: Westerly quarter 25kt, areas of heavy westerly swell.
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 170604UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 170600UTC:
Front F1 26S 147W 31S 133W 44S 125W, slow moving.
Front F2 43S 164W 47S 153W 55S 137W, moving eastnortheast 25kt.
Area A1 bounded by 45S 170W 55S 155W 55S 170W 45S 170W, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within 360 nautical miles northeast of F1: Areas of poor visibility in showers and rain.
Within 420 nautical miles northeast of F2: Areas of poor visibility in showers and rain.
Within 600 nautical miles south of F2: Southerly quarter 25kt at times, areas of heavy southwest swell.
Within A1: Northwest 25kt 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.