MARINE WEATHER BULLETIN FOR ISLANDS AREA
EQUATOR TO 25S BETWEEN 160E AND 120W.
ISSUED BY FIJI METEOROLOGICAL SERVICE Jul 212000 UTC.
PART 1 : WARNING NIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Jul 221800 UTC.
LOW PRESSURE L1 CENTRE [1006HPA] WAS ANALYSED NEAR 10.0S 170.0E AT
211800 UTC. POSITION POOR. SLOW MOVING.
LOW PRESSURE L2 CENTRE [1008HPA] WAS ANALYSED NEAR 15.0S 170.0E AT
211800 UTC. POSITION POOR. SLOW MOVING.
TROUGH T1 20S 167E 22S 175E 25S 180 SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, AND POSSIBLE ISOLATED WITHIN 140 NAUTICAL MILES IN
OF T1.
TROUGH T2 08S 178W 06S 176E 07S 172E TO L TO 12S 168E TO L2 TO 16S
174E 18S 178E 22S 178W 25S 176W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN, HEAVY AT TIMES AND ISOLATED THUNDERSTORMS WITHIN 150
NAUTICAL MILES IN THE AREA SOUTH OF 08S. ELSEWHERE, POOR VISIBILITY
IN SOME SHOWERS AND ISOLATED THUNDERSTORM WITHIN 080 NAUTICAL MILES
OF T2.
TROUGH T3 EQT 169E 01S 172E 03S 174E SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL RAIN AND POSSIBLE ISOLATED WITHIN 120 NAUTICAL MILES IN OF
T3.
TROUGH T4 07S 167W 10S 157W 13S 144W 18S 132W 22S 125W 25S 120W SLOW
MOVING. POOR VISIBILITY IN SOME SHOWERS WITHIN 120 NAUTICAL MILES IN
OF T4.
IN THE AREA WEST OF T1 AND T2, EXPECT SOUTH TO SOUTHEAST WINDS 20 TO
25 KNOTS. ROUGH SEAS. 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 211948UTC Valid until 221200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 211800UTC:
Low L1 1007hPa near 29S 176W, moving eastsoutheast 20kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles of L1: Clockwise 25kt, areas of poor visibility in showers.
Outlook for the following 72 hours:
Low on eastern boundary near 32S 170W, moving eastsoutheast. Around low: clockwise 30kt to gale. In the area that is both west of 180 and south of 30S: westerly 30kt to gale at times from 240000UTC and areas of heavy southwest quarter swell from 250000UTC.
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 211948UTC Valid until 221200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 211800UTC:
Front F1 45S 178W 48S 172W 49S 170W, moving east 35kt.
Front F2 expected near 42S 161E 49S 162E 55S 160E by 221200UTC.
Part 3 - Forecast:
Refer to latest warnings.
Within 420 nautical miles east of F1: Westerly quarter 25kt at times, poor visibility in showers at times.
South of F1: Areas of poor visibility in showers, areas of heavy westerly swell.
Within 360 nautical miles east of F2: Northwest quarter 25kt at times, areas of fog, with poor visibility in drizzle.
West of F2: Westerly quarter 25kt at times, areas of poor visibility in showers.
Outlook for the following 72 hours:
First front about 45S 164E extending south, moving eastnortheast. East of first front: northerly quarter 30kt to gale at times. West of first front: areas of heavy northerly quarter swell developing by 250000UTC. Second front about second boundary near 40S 160E extending south by 231200UTC, moving east. West of second front: westerly quarter 30kt to gale at times and areas of heavy swell. Low expected near 43S 164E by 250000UTC, moving northeast. Around low: clockwise 30kt to gale.
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 211948UTC Valid until 221200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 424 427 428 429 430
Part 2 - Situation analysis at 211800UTC:
Front F1 55S 137W 60S 137W 66S 137W, moving east 5kt.
Area A1 bounded by 63S 163E 61S 176W 60S 166W 59S 150W 67S 145W 69S 162E 63S 163E, moving eastsoutheast 10kt.
Low L1 979hPa near 58S 156W, moving eastsoutheast 25kt.
Trough T1 59S 164W 62S 160W 71S 158W, moving northeast 25kt.
Part 3 - Forecast:
Refer to latest warnings.
East of F1: Northerly 25kt, with gales as in warnings 424 427, areas of poor visibility in showers, areas of heavy swell.
Within 780 nautical miles west of F1: Areas of heavy westerly swell.
Within A1: Heavy ice accretion as in warning 430.
Within 240 nautical miles of L1: Clockwise 25kt at times, with gales as in warning 428, areas of poor visibility in precipitation.
Within 540 nautical miles west of T1: Southwest 25kt, with gales as in warning 429, poor visibility in precipitation at times.
Southern Ice Edge between 160E and 120W issued 21 Jul 2026 UTC
62.5S,160.0E 62.9S,170.0E 64.4S,180.0
65.6S,170.0W 64.9S,160.0W 62.4S,150.0W
63.0S,140.0W 64.3S,130.0W 66.1S,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 211948UTC Valid until 221200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 424 425 426
Part 2 - Situation analysis at 211800UTC:
Front F1 41S 117W 46S 124W 50S 134W, moving south 5kt.
Trough T1 34S 168W 28S 143W 23S 119W, moving eastnortheast 45kt.
Front F2 32S 128W 36S 124W 42S 122W, moving east 40kt.
Low L1 973hPa near 46S 132W, moving northeast 10kt.
Front F3 46S 175W 51S 165W 55S 157W, moving east 30kt.
Trough T2 expected near 25S 162W 31S 163W 38S 166W by 220600UTC, then moving east 5kt.
Part 3 - Forecast:
Refer to latest warnings.
South of F1: Easterly 25kt, with gales as in warning 424, areas of poor visibility in showers.
South of T1: Areas of heavy westerly swell.
Within 1080 nautical miles west of F2: Westerly 25kt, with gales as in warning 426, areas of poor visibility in showers.
Within 480 nautical miles of L1 in northwest semicircle: Clockwise 25kt, with gales as in warning 425, areas of poor visibility in showers.
Within 480 nautical miles east of F3: Northwest 25kt, areas of fog, with poor visibility in drizzle, areas of heavy westerly swell.
Within 600 nautical miles west of F3: Westerly quarter 25kt at times, areas of poor visibility in showers, areas of heavy southwest swell.
West of T2: Clockwise 25kt, areas of poor visibility in showers.
Outlook for the following 72 hours:
Throughout area: heavy swell at times. First low near 44S 129W, moving eastnortheast. Around first low: clockwise 30kt to gale. Second low on western boundary near 32S 170W, moving eastsoutheast. Around second low: 30kt to gale. Front about 46S 164W extending southeast, moving eastnortheast. southwest of front: southerly quarter 30kt to gale developing by 231200UTC.