Indonesian Weather Bulletin For Shipping

Last Update : 23 July 2014

I. PART ONE

TROPICAL CYCLONE MATMO 985 HPA AT 24.4 N 120.2 E MOVING NORTHWEST 10 KNOTS             MAXIMUM WINDS 50/70 KNOTS.

II. PART TWO :

SYNOPTIC WEATHER ANALYSIS :  FOR  00.00  UTC   DATE   JULY 23TH,  2014
- GENERAL SITUATION  WEAK TO MODERATE  NORTHEAST TO SOUTHWEST WINDS.
- INTER TROPICAL CONVERGENCE ZONE [ I.T.C.Z. ]  PASSING OVER  :  NIL.
- CONVERGENCE LINE (C.L.) PASSING OVER :  NIL.
- LOW PRESSURE AREA 1004 HPA AT 137E 08N ALMOST STATIONARY

III. PART THREE :

SEA AREA FORECAST VALID  24 HOURS  FROM : 10. 00 UTC  DATE JULY 23TH,  2014  AS FOLLOWS  :
 
A. WEATHER :
1. THE POSSIBILITY OF SCATTERED TO OVERCAST AND MODERATE RAIN OCCASIONALLY FOLLOWED BY THUNDERSTORM COULD OCCUR THE OVER AREAS OF : ANDAMAN SEA, ACEH WATERS, WESTERN BENGKULU INDIAN OCEAN, SOUTHERN OF WEST JAVA WATERS, CENDRAWASIH GULF AND EASTERN PHILIPINES PASIFIC OCEAN.
 
2THE POSSIBILITY OF SCATTERED TO BROKEN CLOUDS AND RAIN OR LOCAL RAIN COULD OCCUR THE OVER AREAS OF : SOUTH CHINA SEA, MALACA STRAIT, SOUTHERN WEST JAVA AND EAST JAVA WATERS, SOUTHERN BALI AND NUSA TENGGARA BARAT INDIAN OCEAN, WESTERN SULAWESI SEA, CENTRAL SULAWESI WATERS AND NORTHERN PAPUA PASIFIC OCEAN.
 
B. WINDS DIRECTION AND SPEED FROM SURFACE UP TO 3000 FEET :
     WINDS OVER INDONESIA WATERS, NORTHERN EQUATOR GENERALLY SOUTH TO WEST
     AND SOUTHERN  EQUATOR GENERALLY SOUTH TO SOUTHWEST AT ABOUT 3 TO 25
     KNOTS.
 
C. STATE OF SEA :
1.  SLIGHT TO MODERATE SEA SURFACE AND LOW SWELL COULD OCCUR AT : NIAS AND SIBOLGA ISLAND WATERS, NATUNA SEA, KARIMATA STRAIT, SOUTHERN EAST JAVA AND BALI WATERS, EASTERN JAVA SEA, SOUTHERN KALIMANTAN WATERS, EASTERN TALAUD ISLAND WATERS, SOUTHEAST SULAWESI WATERS, BURU SEA, BANDA SEA, SOUTHERN BURU AND SERAM ISLAND WATERS, AMBON WATERS, BABAR AND TANIMBAR ISLAND WATERS, KAI AND ARU ISLAND WATERS, ARU SEA, ARAFURA SEA, SOUTHERN YOS SUDARSO ISLAND AND MERAUKE WATERS.
 
2. OTHER SEA AREAS GENERALLY ARE SEA SLIGHT AND SWELL LOW.
 
3.  RECOMMENDATION ( EARLY WARNING ) : MODERATE TO VERY ROUGH SEA SURFACE AND MODERATE SWELL: ANDAMAN SEA, ACEH WATERS, WEST SUMATERA AND MENTAWAI ISLAND WATERS, BENGKULU AND ENGGANO ISLAND WATERS, WESTERN LAMPUNG WATERS, SOUTHERN SUNDA STRAIT, SOUTHERN BANTEN TILL SOUTHERN  CENTRAL JAVA WATERS, WESTERN MENTAWAI ISLAND TILL SOUTHERN EAST JAVA INDIAN OCEAN AND EASTERN PHILIPINES PASIFIC OCEAN.

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