二零一一熱帶氣旋
熱帶風暴海馬(1104)的每六小時位置及強度
| 月份 | 日期 | 時間 (協調世界時) |
強度 | 估計最低中心氣壓 (百帕斯卡) |
估計最高風速(米每秒) | 北緯°N | 東經°E |
| 六月 | 18 | 1200 | T.D. | 1004 | 13 | 15.1 | 124.9 |
| 1800 | T.D. | 1004 | 13 | 15.9 | 124.5 | ||
| 19 | 0000 | T.D. | 1002 | 16 | 16.9 | 124.2 | |
| 0600 | T.D. | 1002 | 16 | 17.7 | 123.5 | ||
| 1200 | T.D. | 1000 | 16 | 19.0 | 122.2 | ||
| 1800 | T.D. | 1001 | 16 | 19.7 | 120.9 | ||
| 20 | 0000 | T.D. | 1001 | 16 | 20.0 | 119.8 | |
| 0600 | T.D. | 1001 | 16 | 20.0 | 118.9 | ||
| 1200 | T.D. | 1000 | 16 | 19.7 | 117.5 | ||
| 1800 | T.D. | 998 | 16 | 19.5 | 116.7 | ||
| 21 | 0000 | T.D. | 998 | 16 | 19.4 | 116.3 | |
| 0600 | T.D. | 998 | 16 | 19.3 | 115.9 | ||
| 1200 | T.D. | 997 | 16 | 19.2 | 115.4 | ||
| 1800 | T.D. | 995 | 16 | 19.3 | 114.8 | ||
| 22 | 0000 | T.S. | 992 | 18 | 19.8 | 114.0 | |
| 0600 | T.S. | 988 | 21 | 20.2 | 113.3 | ||
| 1200 | T.S. | 985 | 23 | 20.4 | 113.1 | ||
| 1800 | T.S. | 985 | 23 | 20.7 | 112.5 | ||
| 23 | 0000 | T.S. | 985 | 23 | 21.1 | 111.7 | |
| 0600 | T.S. | 986 | 21 | 21.4 | 111.0 | ||
| 1200 | T.S. | 988 | 18 | 21.1 | 110.1 | ||
| 1800 | T.S. | 988 | 18 | 21.1 | 109.1 | ||
| 24 | 0000 | T.S. | 986 | 21 | 20.9 | 108.5 | |
| 0600 | T.S. | 985 | 21 | 20.5 | 107.4 | ||
| 1200 | T.S. | 986 | 21 | 20.3 | 106.4 | ||
| 1800 | T.D. | 992 | 16 | 20.2 | 105.3 | ||
| 25 | 0000 | T.D. | 993 | 13 | 20.0 | 104.3 | |
| 0600 | T.D. | 993 | 13 | 19.5 | 103.7 | ||
| 消散 | |||||||