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 241912UTC Valid until 251200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 500
Part 2 - Situation analysis at 241800UTC:
Front F1 28S 174E 33S 177E 40S 178E, moving east 30kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 300 nautical miles east of F1: Northwest quarter 25kt, areas of poor visibility in showers.
West of F1: Southwest quarter 30kt, with gales as in warning 500, areas of poor visibility in showers, areas of heavy southwest quarter swell.
Outlook for the following 72 hours:
First Front 30S 175W 34S 173W 40S 175W, moving east. Within 540 nautical miles west of First Front: Westerly quarter 30kt to gale at times. Within 960 nautical miles west of First Front: Areas of heavy westerly swell developing by 260600UTC. Second Front 31S 162E 35S 168E 46S 169E, moving eastnortheast. Within 600 nautical miles northeast of Second Front: Areas of heavy southwest swell, easing by 261800UTC. Within 780 nautical miles southwest of Second Front: Areas of heavy southwest swell, easing by 261800UTC. Trough 35S 178E 36S 174W 37S 170W, moving northeast. Within 480 nautical miles south of Trough: Southwest quarter 30kt to gale at times, 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 241912UTC Valid until 251200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 499 500
Part 2 - Situation analysis at 241800UTC:
Front F1 40S 177E 46S 177E 55S 176E, moving east 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 480 nautical miles east of F1: Northerly quarter 30kt, with gales as in warning 499, areas of poor visibility in showers, areas of heavy northerly quarter swell.
West of F1: Southwest quarter 25kt at times, with gales as in warning 500, areas of poor visibility in showers, areas of heavy southwest quarter swell.
Outlook for the following 72 hours:
Front 40S 177W 49S 176W 55S 175W, moving southsoutheast. Within 180 nautical miles east of Front: Northerly quarter 30kt to gale at times. Within 300 nautical miles west of Front: Areas of heavy swell. Low near 41S 178W, moving eastnortheast. Within 240 nautical miles of Low in western semicircle: Clockwise 30kt to gale at times. Trough expected near 40S 175W 45S 176W 50S 176W 51S 176W by 260000UTC, then moving north. East of Trough: Areas of heavy swell. Within 300 nautical miles west of Trough: Southerly quarter 30kt to gale at times. Second Front expected near 45S 158E 53S 160E 57S 161E by 271800UTC, then moving southeast. Within 360 nautical miles east of Second Front: Northwest 30kt to gale. West of Second Front: Westerly 30kt to gale, areas of heavy westerly 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 241912UTC Valid until 251200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 497 499 501
Part 2 - Situation analysis at 241800UTC:
Low L1 991hPa near 59S 134W, moving northnortheast 20kt.
Area A1 bounded by 64S 154W 58S 147W 57S 141W 65S 136W 64S 154W, moving south 10kt.
Front F1 55S 178E 60S 179E 65S 177E, moving east 15kt.
Area A2 bounded by 65S 175E 64S 160E 61S 160E 62S 172E 65S 175E, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within 480 nautical miles of L1 in sector from southeast through southwest to north: Clockwise 30kt, with gales as in warning 497, areas of poor visibility in precipitation, areas of heavy swell.
Within A1: Heavy ice accretion as in warning 501.
Within 480 nautical miles east of F1: Northerly quarter 30kt, with gales as in warning 499, areas of poor visibility in precipitation, areas of heavy northerly quarter swell.
Within 660 nautical miles east of F1 from 60S 179E to 65S 177E: Areas of fog, easing by 250600UTC.
West of F1: Westerly quarter 25kt at times, areas of heavy westerly quarter swell.
Within A2: Moderate ice accretion.
Southern Ice Edge between 160E and 120W issued 24 Jul 2026 UTC
62.6S,160.0E 63.2S,170.0E 63.8S,180.0
64.7S,170.0W 65.4S,160.0W 61.8S,150.0W
63.7S,140.0W 66.0S,130.0W 66.7S,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 241912UTC Valid until 251200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 497 498
Part 2 - Situation analysis at 241800UTC:
Ridge R1 25S 129W 42S 138W 55S 150W, moving east 10kt.
Front F1 25S 141W 30S 139W 38S 140W, moving east 20kt.
Low L1 980hPa near 37S 155W, moving southeast 10kt.
Area A1 bounded by 47S 170W 55S 159W 55S 170W 47S 170W, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
East of R1: Southwest quarter 25kt at times, with gales as in warning 497, areas of poor visibility in showers, areas of heavy southwest quarter swell.
Within 480 nautical miles west of F1: Northerly quarter 25kt, areas of poor visibility in showers.
Within 720 nautical miles of L1: Clockwise 30kt, with gales as in warning 498, areas of poor visibility in showers, areas of heavy swell.
Within A1: Northerly quarter 25kt.
Outlook for the following 72 hours:
First Low near 39S 153W, moving east. Within 720 nautical miles of First Low: Clockwise 30kt to gale, easing by 251200UTC, areas of heavy swell, easing by 271200UTC. Front 26S 139W 34S 137W 39S 140W, moving east. Within 300 nautical miles east of Front: Northwest quarter 30kt to gale at times. Within 360 nautical miles west of Front: Westerly quarter 30kt to gale developing by 260600UTC. Second Low near 53S 128W, moving northnorthwest. Within 540 nautical miles of Second Low: Clockwise 30kt to gale at times, areas of heavy swell. Trough 41S 170W 40S 156W 38S 142W, moving north. Within 540 nautical miles north of Trough: Westerly quarter 30kt to gale at times, areas of heavy swell, easing by 271800UTC. Within 600 nautical miles south of Trough: Easterly quarter 30kt to gale at times, areas of heavy swell, easing by 271800UTC.
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 JUL 240800 UTC.
PART 1 : WARNINGNIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL JUL 250600 UTC.
LOW PRESSURE L CENTRE [1008HPA] WAS ANALYSED NEAR 09.0S 175.0E AT
240600UTC. POSITION POOR. SLOW MOVING.
TROUGH T1 EQT 12E 05S 173E TO L TO 11S 179W 14S 170W 17S 160W 21S
155W 25S 153W SLOW MOVING. POOR VISIBILITY IN OCCASIONAL SHOWERS AND
ISOLATED THUNDERSTORMS WITHIN 120 NAUTICAL MILES OF T1.
TROUGH T2 EQT 160W 03S 158W 07S 156W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 NAUTICAL
MILES OF T2.
WEAK TROUGH T3 15S 135W 17S 127W 18S 124W 20S 120W SLOW MOVING. POOR
VISIBILITY IN SOME SHOWERS WITHIN 100 NAUTICAL MILES OF T3.
COLD FRONT CF 21S 170W 23S 164W 25S 159W SLOW MOVING. POOR VISIBILITY
IN SOME SHOWERS WITHIN 100 NAUTICAL MILES OF CF.
STATIONARY FRONT SF 17S 149W 21S 149W 25S 150W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL RAIN AND ISOLATED THUNDERSTORMS WITHIN 120
NAUTICAL MILES OF SF.
IN THE AREA SOUTH OF 18S AND WITHIN 120 NAUTICAL MILES OF T1, EXPECT
NORTHEAST TO NORTHWEST WINDS 20 TO 25 KNOTS. ROUGH SEAS. MODERATE
SOUTHWEST SWELLS.