MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE Aug 302000 UTC.
PART 1 : WARNING NIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Aug 311800 UTC.
TROUGH T1 08S 160E 08S 164E SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 120 NAUTICAL
MILES OF T1.
TROUGH T2 11S 171E 15S 179E 20S 166W 25S 150W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN
100 NAUTICAL MILES OF T2.
WEAK TROUGH T3 06S 180 09S 171W 10S 166W 10S 158W 14S 142W SLOW
MOVING. POOR VISIBILITY IN OCCASIONAL SHOWERS AND ISOLATED
THUNDERSTORMS WITHIN 120 NAUTICAL MILES OF T3.
IN THE AREA SOUTH OF 10S AND EAST OF 140W, EXPECT MODERATE SOUTHERLY
SWELLS.
IN THE AREA SOUTH OF 22S AND WEST OF 165E, EXPECT MODERATE SOUTHWEST
SWELLS DEVELOPING IN THE NEXT 12 TO 24 HOURS.
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 301840UTC Valid until 311200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 719
Part 2 - Situation analysis at 301800UTC:
Front F1 27S 169E 33S 170E 40S 170E, moving east 45kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles east of F1: Northwest 25kt, areas of poor visibility in showers and squall line with severe thunderstorms.
West of F1: Southwest quarter 25kt, with gales as in warning 719, areas of poor visibility in showers and squall line with severe thunderstorms, heavy westerly quarter swell.
Outlook for the following 72 hours:
Throughout area: Heavy southwest quarter swell at times. Low near 40S 174W, moving east. In a broad area around low: clockwise 30kt to gale at times. East of New Zealand: Southwest 30kt to gale developing by 021200UTC and heavy southwest swell developing by 031200UTC.
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 301840UTC Valid until 311200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 718 719 720
Part 2 - Situation analysis at 301800UTC:
Front F1 44S 177W 49S 173W 55S 174W, moving east 20kt.
Low L1 981hPa near 41S 180, moving east 15kt, deepening by 310600UTC.
Area A1 bounded by 40S 163E 40S 173E 55S 160E 45S 160E 40S 163E, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within 180 nautical miles east of F1: Northerly quarter 25kt, with gales as in warning 718.
Within 960 nautical miles west of F1 from 49S 173W to 55S 174W: Westerly quarter 25kt, with gales as in warning 720, areas of heavy westerly swell.
Within 240 nautical miles of L1: Clockwise 25kt.
Within A1: Southwest 25kt, with gales as in warning 719, heavy westerly quarter swell.
Outlook for the following 72 hours:
Throughout area: Westerly quarter winds 30kt to gale and areas of heavy westerly quarter 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 301840UTC Valid until 311200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 718 720 721 722
Part 2 - Situation analysis at 301800UTC:
Area A1 bounded by 62S 142W 60S 136W 62S 120W 67S 120W 62S 142W, moving southsoutheast 15kt.
Ridge R1 55S 128W 59S 128W 62S 131W, moving east 10kt.
Front F1 55S 143W 59S 147W 62S 155W, moving east 30kt.
Area A2 bounded by 57S 160E 61S 175E 65S 179W 66S 160E 57S 160E, slow moving.
Low L1 946hPa near 60S 173E, moving east 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Heavy ice accretion as in warning 721.
East of R1: Heavy westerly quarter swell.
Within 480 nautical miles east of F1: Northeast quarter 25kt, poor visibility in precipitation.
Within 300 nautical miles west of F1: Areas of poor visibility in precipitation.
Within A2: Heavy ice accretion as in warning 722.
Within 540 nautical miles of L1 in sector from south through west to east: Clockwise 25kt, with gales as in warnings 718 720, areas of heavy westerly swell.
Within 360 nautical miles of L1 in southeast quadrant: Clockwise 25kt, areas of heavy swell.
Southern Ice Edge between 160E and 120W issued 30 Aug 2025 UTC
62.5S,160.0E 62.7S,170.0E 63.3S,180.0
62.2S,170.0W 62.1S,160.0W 58.8S,150.0W
60.8S,140.0W 63.1S,130.0W 65.3S,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 301840UTC Valid until 311200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 716 717 718
Part 2 - Situation analysis at 301800UTC:
Front F1 26S 150W 33S 144W 44S 139W 55S 140W 55S 141W, moving east 20kt.
Front F2 32S 153W 38S 151W 46S 151W, moving east 20kt.
Front F3 44S 177W 49S 173W 55S 174W, moving east 20kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles east of F1: Northerly quarter 25kt, with gales as in warning 716, poor visibility in showers and rain.
East of F1 from 33S 144W to 55S 141W: Areas of heavy westerly quarter swell.
West of F1 from 33S 144W to 55S 141W: Areas of heavy westerly quarter swell.
Within 180 nautical miles east of F2: Northwest quarter 25kt.
Within 840 nautical miles southwest of F2: Southwest 30kt at times, with gales as in warning 717.
Within 180 nautical miles east of F3: Northerly quarter 25kt, with gales as in warning 718.
Within 960 nautical miles west of F3 from 49S 173W to 55S 174W: Westerly quarter 25kt, areas of heavy westerly swell.
Outlook for the following 72 hours:
Throughout area: Areas of heavy westerly quarter swell. Front near 30S 132W to 53S 137W moving east. East of front: northwest quarter 30kt to gale. West of front: Southwest 30kt, easing by 011200UTC. First low near 40S 167W expected by 010000UTC moving southeast. Clockwise 30kt to gale in a broad area around first low. Second low near 44S 170W expected at 030000UTC, moving east. Clockwise 30kt to gale around second low.