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 Apr 170800 UTC.
PART 1 : WARNINGNIL
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL Apr 180600 UTC.
CONVERGENCE ZONE CZ1 03S 160E 06S 175E 07S 170W 15S 155W 25S 141W
SLOW MOVING. POOR VISIBILITY IN PERIODS OF HEAVY RAIN, HEAVY AT TIMES
AND SQUALLY THUNDERSTORMS WITHIN 180 NAUTICAL MILES OF CZ1.
CONVERGENCE ZONE CZ2 10S 148W 06S 135W 05S 120W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS
WITHIN 120 NAUTICAL MILES OF CZ2.
TROUGH T1 11S 160E 21S 170E 25S 176E. T1 MOVING EAST AT ABOUT 10
KNOTS. POOR VISIBILITY IN PERIODS OF RAIN, HEAVY AT TIMES AND SQUALLY
THUNDERSTORMS WITHIN 180 NAUTICAL MILES OF T1.
TROUGH T2 13S 175E 16S 179E 25S 177E. T2 SLOW MOVING. POOR VISIBILITY
IN PERIODS OF RAIN, HEAVY AT TIMES AND SQUALLY THUNDERSTORMS WITHIN
180 NAUTICAL MILES OF T2.
SOUTH OF 21S AND WITHIN 180 NAUTICAL MILES OF T2, EXPECT NORTHERLY
WINDS UP TO 25 KNOTS OVER WATERS ONLY. ROUGH SEAS. MODERATE NORTHERLY
SWELLS.
IN THE AREA SOUTH OF 22S, 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 170644UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 302
Part 2 - Situation analysis at 170600UTC:
Front F1 25S 178E 32S 177E 40S 173E, moving east 5kt.
Low L1, former Cyclone TAM, 976hPa near 35S 166E, moving south 10kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 360 nautical miles east of F1: Northeast 25kt, very poor visibility in showers.
Within 540 nautical miles of L1: Clockwise 30kt, with gales as in warning 302, very poor visibility in showers and rain with possible thunderstorms, heavy swell.
Outlook for the following 72 hours:
Ex-TC TAM near 39S 165E, moving east. Within 360 nautical miles of L1 in sector from south through west to northeast: Clockwise gale, easing by 191200UTC. Within 420 nautical miles of L1 in sector from east through south to north: Heavy swell, easing by 200000UTC. Within 480 nautical miles of L1 in northeast quadrant: Heavy swell. Within 300 nautical miles of L1 in sector from northeast through southeast to south: Clockwise gale, easing by 191200UTC. Front F1 25S 179W 31S 179E 39S 175E, moving east. Within 300 nautical miles east of F1: Northeast 30kt at times, areas of heavy northeast 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 170644UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 302
Part 2 - Situation analysis at 170600UTC:
Front F1 32S 170W 31S 157W 41S 135W 55S 112W, moving east 10kt.
Ridge R1 45S 170W 47S 175E 49S 164E 50S 160E, moving southeast 10kt.
Low L1, former Cyclone TAM, 976hPa near 35S 166E, moving south 10kt.
Part 3 - Forecast:
Refer to latest warnings.
South of F1: Heavy southwest quarter swell.
Within 720 nautical miles northeast of F1 from 31S 157W to 41S 135W: Clockwise 25kt, easing by 180000UTC, areas of very poor visibility in showers with possible thunderstorms.
Within 480 nautical miles northeast of F1 from 31S 157W to 55S 112W: Heavy southwest swell.
Within 600 nautical miles northeast of F1 from 41S 135W to 55S 112W: Clockwise 25kt developing by 180000UTC, areas of very poor visibility in showers and rain developing by 180000UTC.
South of R1: Westerly quarter 25kt at times, areas of fog developing by 180000UTC, areas of heavy westerly swell.
Northeast of R1 from 47S 175E to 49S 164E: Northeast 25kt developing by 171800UTC, areas of fog, with poor visibility in precipitation developing by 171800UTC.
Within 540 nautical miles of L1: Clockwise 30kt, with gales as in warning 302, very poor visibility in showers and rain with possible thunderstorms, heavy swell.
Outlook for the following 72 hours:
Ex-TC TAM near 39S 165E, moving east. Within 360 nautical miles of L1 in sector from south through west to northeast: Clockwise gale, easing by 191200UTC. Within 420 nautical miles of L1 in sector from east through south to north: Heavy swell, easing by 200000UTC. Within 480 nautical miles of L1 in northeast quadrant: Heavy swell. Within 300 nautical miles of L1 in sector from northeast through southeast to south: Clockwise gale, easing by 191200UTC. Within 480 nautical miles east of 175E: Northerly 30kt at times, areas of heavy northeast 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 170644UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 298 300 301 303 304
Part 2 - Situation analysis at 170600UTC:
Area A1 bounded by 64S 160E 64S 140W 71S 141W 71S 160E 64S 160E, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Throughout area: Westerly quarter 30kt at times, with gales as in warnings 298 300 301, areas of very poor visibility in precipitation, heavy westerly quarter swell.
Within A1: Heavy ice accretion as in warnings 303 304.
Southern Ice Edge between 160E and 120W issued 17 Apr 2025 UTC
66.6S,160.0E 69.4S,170.0E 70.5S,180.0
70.4S,170.0W 69.4S,160.0W 69.8S,150.0W
69.2S,140.0W 68.3S,130.0W 68.5S,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 170644UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 299
Part 2 - Situation analysis at 170600UTC:
Front F1 32S 170W 31S 157W 41S 135W 55S 112W, moving east 10kt.
Part 3 - Forecast:
Refer to latest warnings.
South of F1: Heavy southwest quarter swell.
Within 720 nautical miles northeast of F1 from 31S 157W to 41S 135W: Clockwise 25kt, with gales as in warning 299, easing by 180000UTC, areas of very poor visibility in showers with possible thunderstorms.
Within 480 nautical miles northeast of F1 from 31S 157W to 55S 112W: Heavy southwest swell.
Within 600 nautical miles northeast of F1 from 41S 135W to 55S 112W: Clockwise 25kt developing by 180000UTC, areas of very poor visibility in showers and rain developing by 180000UTC.
Outlook for the following 72 hours:
Trough T1 29S 154W 37S 136W 45S 120W, moving eastsoutheast. Within 540 nautical miles north of T1: Heavy southwest quarter swell. Within 660 nautical miles south of T1: Areas of heavy southwest quarter swell. Ridge R1 47S 170W 45S 151W 48S 120W, moving northeast. South of R1: Southwest quarter gale developing by 200000UTC, heavy southwest swell. Within 540 nautical miles northeast of R1 from 45S 151W to 48S 120W: Westerly quarter gale developing by 210000UTC. Low L1 near 37S 136W, moving eastsoutheast. Within 300 nautical miles of L1 in northern semicircle: Clockwise gale at times.