台 风 公 报
预报：张玲 签发：吕心艳 2024 年 07 月 20 日 10 时
一、中央气象台7月20日10时继续发布热带低压预报
南海热带低压的中心今天（20日）上午8点钟位于海南省三沙市永兴岛东偏南方约265公里的海面上，就是北纬15.8度、东经114.6度，中心附近最大风力有6级（12米/秒），中心最低气压为1004百帕。
预计，该低压将以每小时15-20公里的速度向西偏北方向移动，强度缓慢加强，可能于24小时内发展为台风，并将于21日夜间在海南岛东部到广东西部一带沿海登陆，登陆时强度可达热带风暴级（8-9级，20-23米/秒）。
大风预报：20日14时至21日14时，南海大部及西沙群岛、中沙群岛、南沙群岛将有6-7级风，该系统中心经过的部分海域风力可达8级、阵风9-10级。
降水预报：20日14时至21日14时，海南岛东部、广东西部沿海等地部分地区有大到暴雨（50～80毫米）。
二、菲律宾以东热带低压逐渐向台湾岛东部海面靠近
菲律宾以东热带低压的中心今天（20日）上午8点钟位于菲律宾马尼拉偏东方约820公里的洋面上，就是北纬15.3度、东经128.6度，中心附近最大风力有7级（15米/秒），中心最低气压为1002百帕。
预计，该低压将以每小时10公里左右的速度向西偏北方向移动，强度逐渐加强，可能于未来24小时内加强为台风，最强可达强台风级或超强台风级（50-58米/秒，15-17级），并逐渐向台湾岛东部海面靠近。
海洋天气公报
预报：王海平 签发：王慧 2024 年 07 月 20 日 06 时
江苏和山东东南部沿岸海域将有8~10级雷暴大风
一、近海海域天气实况
19日14时至20日02时，黄海大部海域、东海大部海域、南海大部海域、北部湾出现了6~7级、阵风8级的偏南风。其中，杭州湾附近海域的阵风达到8~10级。黄海北部海域出现了能见度不足10公里的轻雾，成山头附近海域、辽东半岛南部的部分海域出现了能见度不足1公里的大雾。
二、近海海域重点天气预报
1、我国南部海域将有6~8级风
预计，20日白天至22日夜间，受南海热带低压影响，南海大部海域、巴士海峡、北部湾将有6～7级、阵风8级的风，其中南海西部及北部湾的部分海域风力可达8级、阵风9级。黄海大部海域、东海北部海域将有5~7级、阵风8级的偏南或西南风。
2、江苏和山东东南部沿岸海域将有8~10级雷暴大风
预计，20日白天至夜间，江苏和山东东南部沿岸海域将有8～10级的雷暴大风。
三、未来三天具体预报
海事天气公报
ZCZC
WWCI50 BABJ 200000
2:1:31:11:01:00
BT
SECURITE =
MESSAGE FOR NAVAREA XI(IOR) ISSUED BY NMC BEIJING
AT 0330UTC JUL.20 2024 =
MESSAGE IS UPDATED EVERY 06 HOURS =
SYNOPSIS VALID 0000UTC JUL.20 =
FCST VALID 0000UTC JUL.21 =
WARNNING=
NIL=
SUMMARY=
TD(05) 1002HPA AT 15.3N 128.6E MVG WNW 10KMH
AND MAX WINDS 15M/S NEAR CENTER(SEAS UP TO 3.5M)=
TD(04) 1004HPA AT 15.8N 114.6E MVG WNW 18KMH
AND MAX WINDS 12M/S NEAR CENTER(SEAS UP TO 2.5M)=
SE/SLY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP
TO 1.5M OVER NORTHEASTERN PART OF SOUTH CHINA SEA
AND EAST CENTRAL SOUTH CHINA SEA=
ELY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP TO
1.5M OVER WEST CENTRAL SOUTH CHINA SEA=
SW/WLY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP
TO 1.5M OVER SOUTHERN PART OF SOUTH CHINA SEA=
DENSE FOG OBSERVED LOCALLY OVER SOUTHERN PART OF
YELLOW SEA AND NORTHEASTERN PART OF JAPAN SEA WITH
HORIZONTAL VISIBILITY LESS THAN 1KM=
HORIZONTAL VISIBILITY LESS THAN 10KM OVER BOHAI
SEA AND NORTHERN PART OF YELLOW SEA AND CENTRAL
PART OF YELLOW SEA AND WEST CENTRAL SOUTH CHINA
SEA AND SOUTHEASTERN PART OF SOUTH CHINA SEA AND
ANDAMAN SEA AND THAILAND GULF AND MALACCA STRAIT
AND SEA EAST OF SINGAPORE AND SEA SOUTH OF
SUMATERA AND SUNDA STRAIT AND LAUT JAWA AND
MAKASSAR STRAIT AND LAUT MALUKU AND LAUT BANDA=
FCST=
NORTHERN PART OF YELLOW SEA
S WINDS 12 TO 16M/S GUSTS 16 TO 20M/S VEER W WINDS
08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE
HEAVY RAIN BECMG OVERCAST VIS MODERATE TO GOOD=
CENTRAL PART OF YELLOW SEA
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S DECR 08 TO
12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE
MODERATE RAIN BECMG LIGHT RAIN VIS MODERATE TO
GOOD=
SOUTHERN PART OF YELLOW SEA
S WINDS VEER SW 08 TO 12M/S GUSTS 12 TO 16M/S SEA
STATE MODERATE LIGHT RAIN VIS GOOD=
NORTHERN PART OF EAST CHINA SEA
S WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE OVERCAST VIS GOOD=
NORTHWESTERN PART OF SOUTH CHINA SEA
E WINDS VEER SE 08 TO 12M/S GUSTS 12 TO 16M/S SEA
STATE MODERATE OVERCAST BECMG MODERATE RAIN VIS
GOOD TO MODERATE=
NORTHEASTERN PART OF SOUTH CHINA SEA
SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE OVERCAST VIS GOOD=
WEST CENTRAL SOUTH CHINA SEA
E WINDS 12 TO 16M/S GUSTS 16 TO 20M/S VEER S WINDS
16 TO 20M/S GUSTS 20 TO 24M/S SEA STATE MODERATE
MODERATE RAIN BECMG HEAVY RAIN VIS MODERATE=
EAST CENTRAL SOUTH CHINA SEA
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
SOUTHWESTERN PART OF SOUTH CHINA SEA
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
SOUTHEASTERN PART OF SOUTH CHINA SEA
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
NORTHEASTERN PART OF JAPAN SEA
SW WINDS 06 TO 08M/S GUSTS 08 TO 12M/S INCR 12 TO
16M/S GUSTS 16 TO 20M/S SEA STATE MODERATE
OVERCAST VIS GOOD=
SOUTHWESTERN PART OF JAPAN SEA
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S INCR 12 TO
16M/S GUSTS 16 TO 20M/S SEA STATE MODERATE CLOUDY
BECMG MODERATE RAIN VIS GOOD TO MODERATE=
KOREA STRAIT
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE OVERCAST VIS GOOD=
SEA SOUTH OF JAPAN
SW WINDS VEER W 08 TO 12M/S GUSTS 12 TO 16M/S SEA
STATE MODERATE OVERCAST VIS GOOD=
SEA EAST OF RYUKYU ISLANDS
E WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE
MODERATE OVERCAST VIS GOOD=
SEA WEST OF BONIN ISLANDS
E WINDS VEER SE 06 TO 08M/S GUSTS 08 TO 12M/S SEA
STATE MODERATE OVERCAST VIS GOOD=
SEA NORTHEAST OF THE PHILIPPINES
E WINDS 12 TO 16M/S GUSTS 16 TO 20M/S VEER S WINDS
16 TO 20M/S GUSTS 20 TO 24M/S SEA STATE ROUGH
MODERATE RAIN VIS MODERATE=
SEA WEST OF NORTHERN MARIANA ISLANDS
E WINDS 12 TO 16M/S GUSTS 16 TO 20M/S VEER SE
WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
SEA SOUTHEAST OF THE PHILIPPINES
SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
SEA WEST OF GUAM
SW WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
SEA SOUTHEAST OF INDONESIA
SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE CLOUDY VIS GOOD=
SEA SOUTH OF JAWA
SE WINDS BACK E 08 TO 12M/S GUSTS 12 TO 16M/S SEA
STATE ROUGH CLOUDY VIS GOOD=
SEA NORTH OF JAWA
SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE CLOUDY VIS GOOD=
SEA SOUTH OF SUMATERA
E WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
ROUGH CLOUDY VIS GOOD=
SEA SOUTH OF VIETNAM
W WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE
MODERATE MODERATE RAIN VIS MODERATE=
ANDAMAN SEA
SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S DECR 06 TO
08M/S GUSTS 08 TO 12M/S SEA STATE MODERATE CLOUDY
VIS GOOD=
NNNN
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