BADAN METEOROLOGI,
KLIMATOLOGI DAN GEOFISIKA
Indonesian Weather Bulletin for Shipping
( Metarea XI)
BMKG Jakarta, Tuesday 18 March 2025 At 1430 UTC
Part I : Warning
GALE WARNING AT 12.0°S 98.9°E 1003 HPA MAXIMUM WIND SPEED 20KT MOVE TO SW
Part II : General Synopsis
Tuesday 18 March 2025 at 00 UTC NOTHERLY TO NORTHEASTERLY LIGHT TO MODERATE FLOW IN NOTHERN PART OF INDONESIA SOUTHWESTERLY TO NORTHWESTERLY LIGHT TO MODERATE FLOW IN SOUTHERN PART OF INDONESIA
Part III : Area Forecasts
Valid until Wednesday 19 March 2025 at 15 UTC
MALACCA STRAIT
Easterly
1-18 kt
Moderate Sea
INDIAN OCEAN WESTERN OF ACEH
Northerly
1-18 kt
Moderate Sea
INDIAN OCEAN WESTERN OF LAMPUNG
Northwesterly
13-26 kt
Moderate Sea
INDIAN OCEAN SOUTHERN OF JAVA
Northwesterly
13-29 kt
Moderate Sea
INDIAN OCEAN SOUTHERN OF BALI
Southwesterly
8-34 kt
Rough Sea
NORTH NATUNA SEA
Northeasterly
12-30 kt
Rough Sea
KARIMATA STRAIT
Northerly
1-30 kt
Moderate Sea
JAVA SEA
Westerly
1-33 kt
Moderate Sea
MAKASSAR STRAIT
Westerly
0-30 kt
Moderate Sea
BALI SEA
Northwesterly
2-23 kt
Slight Sea
SUMBAWA SEA
Westerly
1-28 kt
Moderate Sea
FLORES SEA
Westerly
4-26 kt
Moderate Sea
BANDA SEA
Northwesterly
1-30 kt
Moderate Sea
CERAM SEA
Northwesterly
3-20 kt
Slight Sea
SULAWESI SEA
Northeasterly
0-22 kt
Moderate Sea
MOLLUCA SEA
Northerly
0-25 kt
Moderate Sea
WESTERN PART OF PACIFIC OCEAN
Northerly
1-19 kt
Moderate Sea
ARAFURA SEA
Northwesterly
3-32 kt
Moderate Sea
⚠️ Important Notes
Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the significant height
Reference Scales
Beaufort Wind Scale
| Force | Description | Speed (knots) |
|---|---|---|
| 0 | Calm | < 1 |
| 1 | Light air | 1-3 |
| 2 | Light breeze | 4-6 |
| 3 | Gentle breeze | 7-10 |
| 4 | Moderate breeze | 11-16 |
| 5 | Fresh breeze | 17-21 |
| 6 | Strong breeze | 22-27 |
| 7 | Near gale | 28-33 |
| 8 | Gale | 34-40 |
| 9 | Strong gale | 41-47 |
Douglas Sea Scale
| Grade | Description | Height (m) |
|---|---|---|
| 0 | Calm (Glassy) | 0 |
| 1 | Calm (Rippled) | 0-0.1 |
| 2 | Smooth | 0.1-0.5 |
| 3 | Slight | 0.5-1.25 |
| 4 | Moderate | 1.25-2.5 |
| 5 | Rough | 2.5-4 |
| 6 | Very rough | 4-6 |
| 7 | High | 6-9 |
| 8 | Very high | 9-14 |
| 9 | Phenomenal | >14 |
KONTAK KAMI :
Jl. Angkasa I No.2 Kemayoran, Jakarta Pusat 10610, PO Box 3540 Jkt.
Call Center (021) 196
Fax (021) 4246703
cc196@bmkg.go.id
TAUTAN :
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