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 172008UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 171800UTC:
Front F1 33S 160E 39S 171E 49S 177W, moving east 30kt.
Front F2 40S 160E 48S 167E 55S 175E, moving east 35kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 660 nautical miles east of F1: Westerly quarter 30kt, areas of poor visibility in rain.
Southwest of F2: Southwest 30kt, heavy westerly quarter swell.
Within 480 nautical miles east of F2: Northwest 30kt.
Outlook for the following 72 hours:
Front extends northwest from southern boundary, 176W, south of 32S, moving east. High expected at western boundary at 190000UTC, extends ridge north and south, all moving east. East of front: Northwest 30kt to gale. Between front and ridges: Southwest 30kt to gale. Heavy southwest swell west of New Zealand, easing by 191200UTC. West of ridges, south of 32S: Northerly 30kt to gale developing by 200000UTC, and heavy westerly quarter swell developing by 201800UTC, both easing by 2112UTC.
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 172008UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 297
Part 2 - Situation analysis at 171800UTC:
Front F1 33S 160E 39S 171E 49S 177W, moving east 30kt.
Front F2 40S 160E 48S 167E 55S 175E, moving east 35kt.
Part 3 - Forecast:
Refer to latest warnings.
Throughout area: Areas of heavy westerly quarter swell.
Within 660 nautical miles east of F1: Westerly quarter 30kt, areas of poor visibility in rain.
Southwest of F2: Southwest 30kt, with gales as in warning 297, heavy westerly quarter swell.
Within 480 nautical miles east of F2: Northwest 30kt, with gales as in warning 297.
Outlook for the following 72 hours:
Northerly quarter 30kt to gale developing west of New Zealand by 200000UTC, spreading throughout area by 211200UTC. Heavy northerly quarter swell developing west of New Zealand by 211200UTC.
Throughout area: Westerly quarter 30kt to gale, clearing by 200600UTC, with areas of heavy westerly quarter swells.
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 172008UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 295 297 298 299
Part 2 - Situation analysis at 171800UTC:
Front F1 55S 138W 59S 139W 63S 140W, moving east 15kt.
Area A1 bounded by 64S 179W 60S 173W 59S 155W 63S 145W 64S 179W, moving east 20kt.
Low L1 958hPa near 61S 173E, moving eastsoutheast 25kt.
Area A2 bounded by 59S 167E 64S 172E 62S 149E 58S 149E 59S 167E, moving east 20kt.
Part 3 - Forecast:
Refer to latest warnings.
East of F1: Northwest quarter 30kt, with gales as in warning 295, areas of fog.
Within A1: Heavy ice accretion as in warning 298.
Within 600 nautical miles of L1: Clockwise 30kt at times, with gales as in warning 297.
Within A2: Heavy ice accretion as in warning 299.
Southern Ice Edge between 160E and 120W issued 17 Sep 2025 UTC
61.2S,160.0E 62.2S,170.0E 63.7S,180.0
62.7S,170.0W 62.3S,160.0W 60.2S,150.0W
60.9S,140.0W 63.6S,130.0W 65.0S,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 172008UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 295 296
Part 2 - Situation analysis at 171800UTC:
Front F1 27S 133W 34S 124W 44S 124W 55S 132W, moving east 15kt.
Low L1 974hPa near 55S 164W, moving east 30kt.
Part 3 - Forecast:
Refer to latest warnings.
East of F1: Northerly quarter 30kt at times, with gales as in warning 295, areas of fog, with poor visibility in precipitation, heavy northerly quarter swell.
West of F1 from 34S 124W to 55S 132W: Westerly quarter 25kt at times, areas of heavy westerly quarter swell.
Within 600 nautical miles of L1 in sector from northwest through northeast to east: Clockwise 30kt, with gales as in warning 296.
Outlook for the following 72 hours:
High at 32S 155W extends ridges west and northeast, all moving east. South of ridges: Westerly quarter 30kt to gale at times with areas of heavy westerly quarter swell. Low L1 expected at northern boundary, 161W, at 200000UTC, moving southeast. Within 400 nautical miles of L1: Clockwise 30kt at times. Low L2 expected at 38S 163W at 201800UTC, moving north. Within 300 nautical miles of L2: Clockwise 30kt to gale.
MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE Sep 172000 UTC.
PART 1 : WARNING NIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Sep 181800 UTC.
TROUGH T1 06S 160E 08S 175E 20S 172W 22S 163W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS
WITHIN 120 NAUTICAL MILES OF T1.
WEAK TROUGH T2 05S 175W 15S 165W SLOW MOVING. POOR VISIBILITY IN SOME
SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 120 NAUTICAL MILES OF T2.
TROUGH T3 07S 165W 12S 160W SLOW MOVING. POOR VISIBILITY IN SOME
SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 NAUTICAL MILES OF T3.
TROUGH T4 15S 165W 20S 143W 25S 133W SLOW MOVING. POOR VISIBILITY IN
SOME SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 NAUTICAL MILES OF
T4.
IN THE AREA SOUTH OF T1, EXPECT SOUTHEAST WINDS 20 TO 30 KNOTS. ROUGH
TO VERY ROUGH SEAS. MODERATE SOUTHERLY SWELLS.
IN THE AREA SOUTH OF T4 AND BETWEEN 163W AND 150W, EXPECT SOUTHEAST
WINDS UP TO 33 KNOTS. ROUGH TO VERY ROUGH SEAS. MODERATE TO DAMAGING
HEAVY SOUTHERLY SWELLS