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 170725UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 216
Part 2 - Situation analysis at 170600UTC:
Front F1 developing near 24S 173E 26S 174E 40S 178W by 171800UTC, then moving east 5kt.
Low L1 1001hPa near 34S 171E, moving east 5kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 300 nautical miles east of F1: Northwest 25kt, areas of poor visibility in showers.
Within 480 nautical miles of L1 in western semicircle: Clockwise 25kt, with gales as in warning 216, areas of poor visibility in showers, heavy swell developing by 180000UTC.
Within 420 nautical miles of L1 in eastern semicircle: Clockwise 25kt, areas of poor visibility in showers.
Outlook for the following 72 hours:
First Trough near 28S 179W moving east. Within 180 nautical miles east of trough: Northerly quarter 30kt to gale. Second Trough about 40S 172E, moving east. Within 660 nautical miles west of second trough: southwest quarter 30kt to gale, areas of heavy southwest quarter 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 170725UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 217
Part 2 - Situation analysis at 170600UTC:
Front F1 46S 180 50S 177W 59S 173W, moving east 10kt.
Front F2 39S 173E 42S 177E 46S 180, moving east 5kt.
Area A1 bounded by 46S 160E 44S 161E 40S 163E 40S 172E 46S 166E 46S 160E, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within 300 nautical miles east of F1 from 50S 177W to 59S 173W: Westerly quarter 25kt at times, areas of poor visibility in drizzle.
West of F1: Westerly 25kt, with gales as in warning 217, areas of poor visibility in showers, heavy westerly swell.
Within 180 nautical miles west of F2: Areas of poor visibility in showers.
Within A1: Westerly 25kt, easing by 180000UTC, areas of heavy swell.
Outlook for the following 72 hours:
First Front about 45S 176W extending northeast, moving east. West of First front: Northwest 30kt to gale. areas of heavy swell. Second front near 42S 172E,moving southeast. East of second front: Northwest 30kt to gale, areas of he avy swells. West of second front: westerly 30kt to gale,areas of heavy 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 170725UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 217 218
Part 2 - Situation analysis at 170600UTC:
Front F1 53S 156W 61S 150W 66S 145W, moving east 5kt.
Front F2 developing near 55S 172W 55S 163W 55S 158W by 171200UTC, then moving southsoutheast 10kt.
Area A1 bounded by 62S 160E 59S 160E 62S 175W 65S 180 62S 160E, slow moving.
Front F3 55S 172E 58S 175E 67S 176W, moving east 10kt.
Low L1 951hPa developing near 57S 178E by 180000UTC, then moving eastsoutheast 5kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 900 nautical miles east of F1: Northwest quarter 25kt at times, fog.
Within 480 nautical miles southeast of F2: Northerly quarter 30kt at times, fog, with poor visibility in precipitation.
Within A1: Heavy ice accretion as in warning 218.
Within 420 nautical miles east of F3: Northwest quarter 25kt at times, areas of fog, with poor visibility in precipitation, heavy northwest quarter swell at times.
Within 900 nautical miles west of F3: Westerly 30kt, with gales as in warning 217, areas of poor visibility in precipitation, heavy westerly swell.
Within 360 nautical miles of L1: Clockwise 40kt, areas of fog, heavy swell.
Within 180 nautical miles of L1 in sector from northeast through southeast to south: Clockwise 40kt rising to 50KT by 180600UTC.
Southern Ice Edge between 160E and 120W issued 17 Sept 2026 UTC
61.5S,160.0E 62.4S,170.0E 64.3S,180.0
65.1S,170.0W 66.2S,160.0W 60.0S,150.0W
63.4S,140.0W 67.2S,130.0W 67.4S,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 170725UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 170600UTC:
Front F1 46S 135W 41S 128W 36S 123W, moving eastsoutheast 5kt.
Front F2 developing near 25S 145W 34S 136W 40S 132W by 180000UTC, then moving east 5kt.
Low L1 991hPa near 38S 150W, moving eastnortheast 15kt.
Front F3 55S 172W 55S 161W 55S 156W, moving east 5kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 180 nautical miles southeast of F1: Southerly 25kt, poor visibility in showers, easing by 180000UTC.
Within 840 nautical miles northeast of F2: Northwest 25kt developing by 180000UTC, areas of poor visibility in showers.
Within 480 nautical miles of L1: Clockwise 25kt, poor visibility in drizzle at times.
Within 420 nautical miles north of F3: Northwest 30kt, areas of fog, with poor visibility in drizzle.
Outlook for the following 72 hours:
First Front about 44S 173W extending south, moving east. East of First front: Northwest 30kt to gale. West of second front: westerly 30kt to gale, areas of heavy west swell. First Low near 36S 135W moving southeast. Around first low: Clockwise 30kt to gale. Second Front near 36S 135W expected by 191200Z,moving east. East of second front : Northerly 30kt to gale. West of second front: southwest 30kt to gale,areas of heavy swell. Second Low about 47S 163W expected by 201800Z,then moving east. Around second low : Clockwise 30kt to gale, and areas of heavy swell.
MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE SEP 162000 UTC.
PART 1 : WARNING NIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL SEP 171800 UTC.
CONVERGENCE ZONE CZ1 01S 160E 05S 164E 07S 167E SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS
WITHIN 150 NAUTICAL MILES OF CZ1.
CONVERGENCE ZONE CZ2 EQ 167E 03S 170E 05S 172E SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS
WITHIN 150 NAUTICAL MILES OF CZ2.
TROUGH T1 12S 175W 05S 177W EQ 168W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 150
NAUTICAL MILES WEST OF T1.
TROUGH T2 08S 179E 16S 170W 18S 165W TO STATIONARY FRONT SF 20S 160W
25S 149W SLOW MOVING. T2 SLOW MOVING. POOR VISIBILITY IN OCCASIONAL
RAIN AND ISOLATED THUNDERSTORM WITH HEAVY FALLS WITHIN 150 NAUTICAL
MILES OF T2 AND SF1.
TROUGH T3 15S 150W 20S 140W 25S 129W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORM WITHIN 100 NAUTICAL
MILES OF T3.
WITHIN 150 NAUTICAL MILES SOUTH OF T2, EXPECT SOUTHEAST WINDS 20 TO
25 KNOTS. ROUGH SEAS. MODERATE SOUTHERLY SWELLS.
IN THE AREA SOUTH OF 20S AND WEST OF 170E, EXPECT SOUTHERLY WINDS 20
TO 25 KNOTS. ROUGH SEAS. MODERATE SOUTHERLY SWELLS.
IN THE AREA SOUTH OF 12S AND BETWEEN OF 170W AND 135W, EXPECT
MODERATE SOUTHERLY SWELLS.