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.
TROUGH T1 17S 175E 18S 180 18S 175W 19S 171W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN
100 NAUTICAL MILES OF T1.
TROUGH T2 13S 179E 15S 175W 17S 172W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 120
NAUTICAL MILES OF T2.
TROUGH T3 09S 178W 13S 175W 15S 173W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 NAUTICAL
MILES OF T3.
TROUGH T4 15S 167W 17S 164W 21S 161W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 100
NAUTICAL MILES OF T4.
TROUGH T5 15S 159W 20S 160W 25S 162W SLOW MOVING. POOR VISIBILITY IN
OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW THUNDERSTORMS WITHIN 120
NAUTICAL MILES OF T5.
TROUGH T6 12S 153W 15S 153W 20S 154W 25S 157W SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL SHOWERS, HEAVY AT TIMES AND FEW
THUNDERSTORMS WITHIN 120 NAUTICAL MILES OF T6.
IN THE AREA SOUTH OF 15S AND WEST OF 170W, EXPECT MODERATE SOUTHERLY
SWELLS.
MARINE WEATHER BULLETIN FOR PACIFIC
Area from 25S to 55S and 170W to 120W.
Issued by Meteorological Service of New Zealand,
Wellington issued at 170757UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 170600UTC:
Front F1 25S 134W 28S 126W 32S 120W, slow moving.
Low L1 1007hPa developing near 28S 161W by 171200UTC, then moving southsoutheast 15kt.
Area A1 bounded by 46S 170W 51S 164W 55S 164W 55S 170W 46S 170W, slow moving.
Trough T1 41S 169W 50S 165W 55S 166W, moving eastsoutheast 35kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 120 nautical miles of F1: Poor visibility in showers with possible thunderstorms.
Within 360 nautical miles of L1: Clockwise 30kt at times.
Within 540 nautical miles of L1: Areas of poor visibility in rain with possible thunderstorms.
Within A1: Northerly 30kt developing by 181200UTC, areas of fog developing by 181200UTC.
Within 1560 nautical miles east of T1: Northwest quarter 30kt at times, areas of fog, areas of heavy northwest swell.
Within 360 nautical miles west of T1: Westerly quarter 30kt at times, areas of heavy southwest swell.
Outlook for the following 72 hours:
Ridge expected along 44S by 181200UTC, moving east. South of ridge: Westerly quarter 30kt to gale, areas of heavy westerly quarter swell. Low expected near 33S 157W by 181200UTC, moving south. About low: Clockwise 30kt, easing by 211200UTC. Trough expected near 30S 125W to 35S 120W, moving east. Southeast of trough: Southeast 30kt.
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 170757UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 170600UTC:
Front F1 36S 160E 40S 167E 46S 170E, moving eastnortheast 15kt.
Area A1 bounded by 37S 165E 40S 168E 40S 163E 37S 165E, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
Within 240 nautical miles northeast of F1: Northerly 30kt at times.
Within 120 nautical miles of F1: Areas of poor visibility in rain with possible thunderstorms.
Within A1: Westerly 25kt developing by 181200UTC, heavy westerly swell developing by 180000UTC.
Outlook for the following 72 hours:
Front expected near 30S 170E to 40S 175E expected by 181200UTC, moving east. East of front: Northerly 30kt to gale at times. Broad low expected near 40S 165E by 190000UTC, moving northeast. In broad area about low: Clockwise 30kt, areas of heavy 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 170757UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 364 365 366 367 368 369
Part 2 - Situation analysis at 170600UTC:
Area A1 bounded by 69S 166E 64S 173W 68S 143W 66S 120W 71S 120W 69S 166E, moving east 15kt.
Low L1 967hPa near 65S 137W, moving east 20kt.
Trough T1 55S 166W 60S 165W 67S 157W, moving east 25kt.
Area A2 bounded by 71S 170E 68S 139E 61S 145E 66S 169E 71S 170E, moving east 15kt.
Front F1 60S 145E 63S 152E 68S 162E, moving eastnortheast 20kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Heavy ice accretion as in warnings 366 367 368.
Within 420 nautical miles of L1: Clockwise 30kt, with gales as in warning 364.
Within 360 nautical miles southwest of T1: Southerly quarter 30kt, with gales as in warning 365.
East of T1 from 55S 166W to 60S 165W: Northwest quarter 30kt at times, with gales as in warning 364, areas of fog, with poor visibility in precipitation, areas of heavy westerly swell.
Within A2: Heavy ice accretion as in warning 369.
Within 120 nautical miles of F1: Westerly 25kt, areas of poor visibility in precipitation.
Southwest of F1: Southwest 25kt.
Southern Ice Edge between 160E and 120W issued 17 Apr 2026 UTC
64.5S,160.0E 68.7S,170.0E 68.6S,180.0
67.8S,170.0W 68.8S,160.0W 68.8S,150.0W
69.2S,140.0W 68.3S,130.0W 67.7S,120.0W
Ice edge not for navigational purposes.
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 170757UTC Valid until 181200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 170600UTC:
Area A1 bounded by 42S 170W 48S 170W 45S 175W 42S 170W, slow moving.
Area A2 bounded by 47S 178W 50S 170W 54S 170W 55S 174W 50S 178E 47S 178W, slow moving.
Front F1 40S 157E 47S 162E 55S 161E, moving east 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Within A1: Heavy southwest swell, easing by 171200UTC.
Within A2: Areas of fog developing by 180000UTC.
Within 540 nautical miles east of F1: Northerly quarter 30kt at times.
West of F1: Southerly quarter 30kt at times, areas of heavy swell.
Within 120 nautical miles of F1: Areas of poor visibility in rain with possible thunderstorms.
Outlook for the following 72 hours:
Broad low expected near 43S 160E by 181200UTC, moving northeast. In broad area about low: Clockwise 30kt to gale, areas of heavy swell.