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 180800 UTC.
PART 1 : WARNINGNIL.
PARTS 2 AND 3 : SYNOPSIS AND FORECAST VALID UNTIL JUL 190600 UTC.
LOW PRESSURE L [1009HPA] ANALYSED NEAR 02.9S 166.1E AT 180600UTC.
POSITION POOR. SLOW MOVING.
TROUGH T1 10S 160E 15S 165E 20S 168E 25S 165E SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL SHOWERS AND POSSIBLE THUNDERSTORMS WITHIN
120 NAUTICAL MILES OF T1.
TROUGH T2 EQT 168E TO L TO 05S 163E 10S 170E SLOW MOVING. POOR
VISIBILITY IN OCCASIONAL RAIN, HEAVY AT TIMES AND FEW THUNDERSTORMS
WITHIN 160 NAUTICAL MILES OF T2.
TROUGH T3 05S 172E 04S 180 05S 175W 08S 165W 10S 155W SLOW MOVING.
POOR VISIBILITY IN OCCASIONAL RAIN AND FEW THUNDERSTORMS WITHIN 180
NAUTICAL MILES OF T3.
IN THE AREA SOUTH OF 08S AND BETWEEN 165E AND 142W, EXPECT SOUTH TO
SOUTHEAST WINDS 20 TO 25 KNOTS, GUSTING UP TO 30 KNOTS. ROUGH TO VERY
ROUGH SEAS. MODERATE SOUTHERLY SWELLS.
IN THE AREA SOUTH OF 15S AND WEST OF 165W, EXPECT 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 180720UTC Valid until 191200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 180600UTC:
Ridge R1 37S 163E 33S 177E 31S 170W, slow moving.
Part 3 - Forecast:
Refer to latest warnings.
South of R1: Southerly 25kt, areas of heavy westerly quarter swell.
North of R1 from 37S 163E to 33S 177E: Areas of poor visibility in showers.
Outlook for the following 72 hours:
West of the North Island: Heavy southwest quarter swell, easing by 211200UTC. Low deepening near 27S 178E by 201800UTC, then moving east. Within 250 nautical miles of low: Clockwise winds 30kt to gale.
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 180720UTC Valid until 191200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 355
Part 2 - Situation analysis at 180600UTC:
Front F1 45S 173W 50S 163W 55S 159W, moving east 15kt.
Part 3 - Forecast:
Refer to latest warnings.
Throughout area: Heavy westerly quarter swell.
West of F1: Westerly quarter 30kt at times, with gales as in warning 355.
Outlook for the following 72 hours:
Throughout the area: Heavy westerly quarter swell, easing by 211200UTC, westerly quarter winds 30kt to gale at times.
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 180720UTC Valid until 191200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: 355 356
Part 2 - Situation analysis at 180600UTC:
Front F1 55S 154W 60S 153W 64S 153W, moving east 15kt.
Area A1 bounded by 59S 160E 60S 170W 66S 167W 64S 160E 59S 160E, slow moving.
Front F2 55S 178W 60S 175W 65S 177W, moving east 25kt.
Part 3 - Forecast:
Refer to latest warnings.
Within 540 nautical miles east of F1: Northerly quarter 25kt, areas of fog.
Within 180 nautical miles west of F1: Areas of poor visibility in precipitation.
Within A1: Heavy ice accretion as in warning 356.
Within 720 nautical miles east of F2: Heavy westerly quarter swell.
Within 240 nautical miles east of F2: Northwest quarter 30kt.
West of F2: Westerly quarter 30kt at times, with gales as in warning 355.
Southern Ice Edge between 160E and 120W issued 18 Jul 2026 UTC
62.2S,160.0E 62.5S,170.0E 64.1S,180.0
64.5S,170.0W 63.7S,160.0W 61.0S,150.0W
61.8S,140.0W 63.6S,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 180720UTC Valid until 191200UTC.
Part 1 - WARNINGS
WARNINGS IN FORCE: NIL
Part 2 - Situation analysis at 180600UTC:
Front F1 25S 139W 26S 126W 28S 120W, slow moving.
Front F2 47S 138W 43S 126W 41S 120W, moving south 10kt.
Area A1 bounded by 25S 170W 25S 144W 55S 137W 55S 170W 25S 170W, slow moving.
Low L1 998hPa near 33S 149W, moving eastsoutheast 30kt.
Front F3 45S 173W 50S 163W 55S 159W, moving east 15kt.
Part 3 - Forecast:
Refer to latest warnings.
South of F1: Areas of poor visibility in showers.
Northeast of F1 from 26S 126W to 28S 120W: Poor visibility in showers.
South of F2: Southeast 25kt.
Within A1: Heavy westerly quarter swell at times.
Within 780 nautical miles of L1 in northwest semicircle: Clockwise 30kt, areas of poor visibility in showers.
West of F3: Westerly quarter 30kt at times.
Outlook for the following 72 hours:
Throughout the area: Areas of heavy southwest gale. Front near 42S 169W, extending southeast, moving east. Within 400 nautical miles east of front: Northerly quarter winds 30kt, easing by 200600UTC. West of front: Westerly quarter winds 30kt to gale at times. Low near 40S 136W, moving south. Within 850 nautical miles of low: Clockwise winds 30kt to gale at times.