Indonesian Weather Bulletin for Shipping

ISSUED BY BMKG AT 02:30 UTC FRIDAY, APRIL 20, 2018
FORECAST VALID FOR 24 HOURS FROM 0300 UTC FRIDAY, APRIL 20, 2018
PART I WARNING
NIL.
PART II GENERAL SITUATION FOR APRIL 19, 2018 12.00 UTC
CIRCULATION AREA IN INDIAN OCEAN  WESTERN OF ACEH AND  WEST KALIMANTAN.
NORTHWESTERLY TO NORTHEASTERLY LIGHT TO MODERATE FLOW IN NORTHERN PART OF INDONESIA EXCEPT WESTERLY TO NORTHWESTERLY LIGHT TO MODERATE FLOW IN WEST PAPUA TO PAUA WATERS.
EASTERLY TO SOUTHEASTERLY LIGHT TO MODERATE FLOW IN SOUTHERN PART OF INDONESIA EXCEPT SOUTHEASTERLY TO SOUTH WESTERLY LIGHT TO MODERATE FLOW IN MENTAWAI ISLAND WATERS.
PART III FORECAST
NORTHERLY TO NORTHEASTERLY 3 TO 4 BF OCCURS IN NORTHERN PART OF MALACCA STRAIT, SABANG WATERS, WESTERN OF ACEH WATERS, NORTH NATUNA SEA, NORTHERN OF ANAMBAS TO NATUNA ISLAND WATERS, BATAM- BINTAN ISLAND WATERS, NORTH KALIMANTAN WATERS, SANGIHE  TO TALAUD ISLAND WATERS, EASTERN PART OF SULAWESI SEA.
 
EASTERLY TO SOUTHEASTERLY 3 TO 4 BF OCCURS IN SOUTHERN PART OF SUNDA STRAIT, SOUTHERN OF JAVA TO SUMBAWA ISLAND WATERS, SOUTHERN PART OF BALI  LOMBOK  ALAS STRAIT, SUMBA STRAIT, OMBAI STRAIT, TIMOR SEA, SOUTHERN PART OF MAKASSAR STRAIT, SUMBAWA SEA, FLORES SEA, SABALANA-SELAYAR ISLAND WATERS, SOUTHERN OF BAUBAU TO WAKATOBI ISLAND WATERS, GULF OF BONE, TOLO GULF, BANDA SEA. 4 TO 5 BF OCCURS IN INDIAN OCEAN SOUTHERN OF CENTER JAVA TO SUMBAWA, SOUTHERN OF SUMBA  SAWU  ROTE ISLAND WATERS, SAWU SEA, SERMATA  TO  TANIMBAR ISLAND WATERS, SOUTHERN OF ARU ISLAND WATERS, MERAUKE WATERS, YOS SUDARSO WATERS, ARAFURU SEA.

SOUTHEASTERLY TO SOUTHWESTERLY 3 TO 4 BF OCCURS IN NIAS ISLAND WATERS, MENTAWAI ISLAND WATERS.

SOUTHWESTERLY TO NORTHWESTERLY 3 TO 4 BF OCCURS IN ENGGANO  BENGKULU WATERS, WESTERN OF LAMPUNG WATERS.

MODERATE SEA OCCURS IN MALACCA STRAIT, NORTHERN OF SABANG ISLAND WATERS, WESTERN OF ACEH WATERS, WESTERN OF SIMEULUE TO MENTAWAI ISLAND WATERS, BENGKULU TO WESTERN LAMPUNG WATERS, ENGGANO ISLAND WATERS, SOUTHERN PART OF SUNDA STRAIT, SOUTHERN OF JAVA TO SUMBAWA WATERS, SOUTHERN PART OF BALI STRAIT – LOMBOK STRAIT – ALAS STRAIT, SOUTHERN OF SUMBA WATERS, SAWU SEA, SAWU ISLAND WATERS, KUPANG TO ROTE ISLAND WATERS, NORTH NATUNA SEA, SANGIHE TO TALAUD ISLAND WATERS,  NORTHERN AND EASTERN OF HALMAHERA WATERS, HALMAHERA SEA, NORTHERN OF WEST PAPUA TO PAPUA WATERS, SOUTHERN OF TANIMBAR ISLAND WATERS, SOUTHERN OF ARU ISLAND WATERS, ARAFURU SEA.

ROUGH SEA OCCURS IN INDIAN OCEAN SOUTHERN OF BANTEN TO WEST JAVA WATERS.

1.25 TO 2.5 M SWELL OCCURS IN NORTHERN OF SABANG WATERS, WESTERN OF ACEH WATERS, WESTERN OF SIMEULUE TO MENTAWAI ISLAND WATERS, BENGKULU TO WESTERN OF  LAMPUNG, SOUTHERN PART OF SUNDA STRAIT, SOUTHERN OF JAVA TO SUMBA ISLAND WATERS, SOUTHERN PART OF BALI STRAIT - LOMBOK STRAIT - ALAS STRAIT, SOUTHERN OF SUMBA TO SAWU WATERS.
OTHER SEA AREAS GENERALLY ARE SEA SLIGHT AND SWELL LOW.

HEAVY RAIN OCCURS IN WESTERN OF ACEH TO MENTAWAI ISLAND WATERS, SOUTHERN OF BANTEN TO WEST JAVA WATERS, SOUTHEAST SULAWESI WATERS, TOLO GULF, WEST PAPUA WATERS, CENDRAWASIH GULF, TIMOR SEA, YOS SUDARSO – MERAUKE WATERS, TANIMBAR ISLAND WATERS, ARU ISLAND WATERS, EASTERN PART OF ARAFURU SEA.
VISIBILITY REDUCING BELOW 2NM IN PRECIPITATION.

THE NEXT WEATHER BULLETIN FOR SHIPPING WILL BE ISSUED AT 02.30 UTC SATURDAY.
Prakiraan Cuaca Maritim Indonesia
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