MESSAGE FOR NAVAREA XI(IOR) ISSUED BY NMC BEIJING
AT 1530UTC OCT.20 2017=
MESSAGE IS UPDATED EVERY 06 HOURS=
SYNOPSIS VALID 1200UTC OCT.20=
FCST VALID 1200UTC OCT.21=
WARNNING=
TROPICAL CYCLONE WARNNING=
STY LAN 1721(1721) 950HPA AT 20.2N 130.1E
MVG NNE 19KMH AND MAX WINDS 45M/S NEAR CENTER
(SEAS UP TO 12.0M)
AND RADIUS OF 30KTS WINDS
400KM NE
500KM SE
550KM SW
400KM NW
AND RADIUS OF 50KTS WINDS
200KM NE
200KM SE
200KM SW
180KM NW
AND RADIUS OF 64KTS WINDS
100KM NE
100KM SE
100KM SW
100KM NW
AND FCST FOR 211200UTC AT 24.6N 131.4E 935HPA
AND MAX WINDS 52M/S NEAR CENTER=
SUMMARY=
NE WINDS FROM 14 TO 18M/S GUSTS 22M/S SEAS UP TO
4.0M OVER EAST CHINA SEA AND TAIWAN STRAIT AND
SEA EAST OF TAIWAN AND SEA EAST OF RYUKYU
ISLANDS=
NE WINDS FROM 12 TO 16M/S GUSTS 20M/S SEAS UP TO
3.0M OVER NORTHEASTERN PART OF SOUTH CHINA SEA
AND BASHI CHANNEL AND SEA SOUTH OF JAPAN=
CYCLONIC WINDS FROM 22 TO 35M/S GUSTS 38 TO 42M/S
SEAS UP TO 9.0M OVER SEA NORTHEAST OF THE
PHILIPPINES=
SW WINDS FROM 16 TO 20M/S SEAS UP TO 3.0M OVER SEA
SOUTHEAST OF THE PHILIPPINES=
HORIZONTAL VISIBILITY LESS THAN 10KM OVER SEA EAST
OF TAIWAN AND SEA EAST OF RYUKYU ISLANDS AND
ANDAMAN
SEA AND SEA EAST OF SINGAPORE AND SUNDA STRAIT AND
SEA NORTHEAST OF THE PHILIPPINES=
FCST=
BOHAI SEA
NE WINDS 12 TO 15M/S GUSTS 14 TO 18M/S SEA STATE
SLT TO MOD SUNNY BECMG CLOUDY VIS MOD TO GOOD=
CENTRAL PART OF YELLOW SEA
N WINDS 07 TO 10M/S GUSTS 08 TO 12M/S INCR 08 TO
12M/S GUSTS 12 TO 15M/S SEA STATE SLT TO MOD
SUNNY VIS GOOD=
SOUTHERN PART OF YELLOW SEA
NE WINDS 08 TO 12M/S GUSTS 12 TO 15M/S BACK N
WINDS 12 TO 15M/S GUSTS 14 TO 18M/S SEA STATE MOD
TO ROUGH CLOUDY BECMG SUNNY VIS GOOD=
NORTHERN PART OF EAST CHINA SEA
NE WINDS 14 TO 18M/S GUSTS 18 TO 24M/S BACK N
WINDS 18 TO 24M/S GUSTS 22 TO 28M/S SEA STATE
VERY ROUGH LIGHT RAIN BECMG OVERCAST VIS MOD TO
GOOD=
SOUTHERN PART OF EAST CHINA SEA
N WINDS 18 TO 24M/S GUSTS 22 TO 28M/S SEA STATE
VERY ROUGH TO HIGH LIGHT RAIN VIS MOD=
TAIWAN STRAIT
NE WINDS 14 TO 18M/S GUSTS 18 TO 24M/S SEA STATE
VERY ROUGH OVERCAST VIS MOD=
SEA EAST OF TAIWAN
N WINDS 18 TO 24M/S GUSTS 22 TO 28M/S SEA STATE
HIGH LIGHT RAIN VIS MOD=
BASHI CHANNEL
N WINDS 14 TO 18M/S GUSTS 18 TO 24M/S SEA STATE
HIGH TO VERY ROUGH LIGHT RAIN VIS MOD=
NORTHWESTERN PART OF SOUTH CHINA SEA
N WINDS 08 TO 12M/S GUSTS 12 TO 15M/S SEA STATE
MOD LIGHT RAIN BECMG OVERCAST VIS MOD=
NORTHEASTERN PART OF SOUTH CHINA SEA
N WINDS 14 TO 18M/S GUSTS 18 TO 24M/S SEA STATE
VERY ROUGH LIGHT RAIN BECMG OVERCAST VIS MOD=
WEST CENTRAL SOUTH CHINA SEA
N WINDS 08 TO 12M/S GUSTS 12 TO 15M/S SEA STATE
MOD LIGHT RAIN VIS MOD=
EAST CENTRAL SOUTH CHINA SEA
N WINDS 12 TO 15M/S GUSTS 14 TO 18M/S SEA STATE
ROUGH MOD RAIN BECMG LIGHT RAIN VIS MOD=
SOUTHWESTERN PART OF SOUTH CHINA SEA
N WINDS 07 TO 10M/S SEA STATE ROUGH TO MOD LIGHT
RAIN BECMG MOD RAIN VIS MOD=
SOUTHEASTERN PART OF SOUTH CHINA SEA
SW WINDS 12 TO 15M/S GUSTS 14 TO 18M/S DECR 08 TO
12M/S GUSTS 12 TO 15M/S SEA STATE ROUGH TO MOD
LIGHT RAIN BECMG MOD RAIN VIS MOD=
NORTHEASTERN PART OF JAPAN SEA
SE WINDS 08 TO 12M/S GUSTS 12 TO 15M/S BACK N
WINDS 12 TO 15M/S GUSTS 14 TO 18M/S SEA STATE MOD
LIGHT RAIN BECMG CLOUDY VIS MOD=
SOUTHWESTERN PART OF JAPAN SEA
NE WINDS 08 TO 12M/S GUSTS 12 TO 15M/S INCR 12 TO
15M/S GUSTS 14 TO 18M/S SEA STATE MOD OVERCAST
BECMG CLOUDY VIS MOD=
KOREA STRAIT
NE WINDS 14 TO 18M/S GUSTS 18 TO 24M/S SEA STATE
ROUGH OVERCAST VIS MOD=
SEA SOUTH OF JAPAN
NE WINDS 14 TO 18M/S GUSTS 18 TO 24M/S BACK N
WINDS 18 TO 24M/S GUSTS 22 TO 28M/S SEA STATE
VERY ROUGH TO HIGH LIGHT RAIN BECMG RAINSTORM VIS
MOD TO VERY=
SEA EAST OF RYUKYU ISLANDS
CYCLONIC WINDS 32 TO 41M/S GUSTS 37 TO 46M/S INCR
37 TO 46M/S GUSTS 42 TO 50M/S SEA STATE VERY HIGH
TO PHENOMENAL RAINSTORM VIS VERY POOR=
SEA WEST OF BONIN ISLANDS
SE WINDS 25 TO 32M/S GUSTS 29 TO 36M/S VEER S
WINDS 29 TO 36M/S GUSTS 32 TO 41M/S SEA STATE
VERY HIGH HVY RAIN VIS MOD TO POOR=
SEA NORTHEAST OF THE PHILIPPINES
CYCLONIC WINDS 37 TO 46M/S GUSTS 42 TO 50M/S BECMG
W WINDS 32 TO 41M/S GUSTS 37 TO 46M/S SEA STATE
PHENOMENAL HVY RAIN BECMG LIGHT RAIN VIS MOD=
SEA WEST OF NORTHERN MARIANA ISLANDS
S WINDS 25 TO 32M/S GUSTS 29 TO 36M/S SEA STATE
VERY HIGH MOD RAIN VIS MOD=
SEA SOUTHEAST OF THE PHILIPPINES
SW WINDS 18 TO 24M/S GUSTS 22 TO 28M/S SEA STATE
HIGH TO VERY ROUGH LIGHT RAIN VIS MOD=
SEA WEST OF GUAM
SW WINDS 18 TO 24M/S GUSTS 22 TO 28M/S SEA STATE
VERY ROUGH LIGHT RAIN BECMG MOD RAIN VIS MOD=
SEA SOUTHWEST OF THE PHILIPPINES
W WINDS 14 TO 18M/S GUSTS 18 TO 24M/S BACK SW
WINDS 12 TO 15M/S GUSTS 14 TO 18M/S SEA STATE
ROUGH LIGHT RAIN BECMG MOD RAIN VIS MOD=
SEA NORTHEAST OF INDONESIA
SW WINDS 08 TO 12M/S GUSTS 12 TO 15M/S SEA STATE
MOD MOD RAIN BECMG LIGHT RAIN VIS MOD=
SEA SOUTH OF JAWA
SE WINDS 07 TO 10M/S SEA STATE ROUGH CLOUDY VIS
MOD=
SEA NORTH OF JAWA
S WINDS 08 TO 12M/S GUSTS 12 TO 15M/S DECR 07 TO
10M/S GUSTS 08 TO 12M/S SEA STATE MOD LIGHT RAIN
VIS MOD=
SEA WEST OF SUMATERA
SE WINDS 08 TO 12M/S GUSTS 12 TO 15M/S SEA STATE
ROUGH LIGHT RAIN VIS MOD=
海事公报(北京，中央气象台)
2017年10月20日1530时(世界时)
10月20日1200时(世界时)海事分析
10月21日1200时(世界时)海事预报
警报
热带气旋警报
台风 "兰恩" (强台风) 位于北纬20.2度、东经130.1度，以19公里/小时的速度向北东北方向移动，中心气压950百帕，中心附近最大风速45米/秒，浪高12.0米，
七级半径风圈：
东北象限400公里、
东南象限500公里、
西南象限550公里、
西北象限400公里；
十级半径风圈：
东北象限200公里、
东南象限200公里、
西南象限200公里、
西北象限180公里；
十二级半径风圈：
东北象限100公里、
东南象限100公里、
西南象限100公里、
西北象限100公里。
预计21日1200时（世界时）位于北纬24.6度、东经131.4度，中心气压935百帕，中心附近最大风速52米/秒。
海事分析
东海大部海域、台湾海峡、台湾以东洋面、琉球群岛以东洋面出现了7～8级、阵风9级的东北风，浪高4.0米；
南海北部海域、巴士海峡、日本以南洋面出现了6～7级、阵风8级的东北风，浪高3.0米；
菲律宾东北洋面出现了9~12级、阵风13~14级的旋转风，浪高9.0米；
菲律宾东南洋面出现了7~8级西南风，浪高3.0米。
能见度不足10公里的海域有台湾以东洋面、琉球群岛以东洋面、安达曼海、新加坡以东海域、巽他海峡、菲律宾东北洋面等海域。
海事预报
渤海
东北风6~7级、阵风7~8级，海况轻浪转中浪，晴转多云，能见度中等转好。
黄海中部海域
北风4~5级、阵风5~6级增大至5~6级、阵风6~7级，海况轻浪转中浪，晴，能见度好。
黄海南部海域
东北风5~6级、阵风6~7级转北风6~7级、阵风7~8级，海况中浪转大浪，多云转晴，能见度好。
东海北部海域
东北风7~8级、阵风8~9级转北风8~9级、阵风9~10级，海况巨浪，小雨转阴，能见度中等转好。
东海南部海域
北风8~9级、阵风9~10级，海况巨浪转狂浪，小雨，能见度中等。
台湾海峡
东北风7~8级、阵风8~9级，海况巨浪，阴，能见度中等。
台湾以东洋面
北风8~9级、阵风9~10级，海况狂浪，小雨，能见度中等。
巴士海峡
北风7~8级、阵风8~9级，海况狂浪转巨浪，小雨，能见度中等。
南海西北部海域
北风5~6级、阵风6~7级，海况中浪，小雨转阴，能见度中等。
南海东北部海域
北风7~8级、阵风8~9级，海况巨浪，小雨转阴，能见度中等。
南海中西部海域
北风5~6级、阵风6~7级，海况中浪，小雨，能见度中等。
南海中东部海域
北风6~7级、阵风7~8级，海况大浪，中雨转小雨，能见度中等。
南海西南部海域
北风4~5级，海况大浪转中浪，小雨转中雨，能见度中等。
南海东南部海域
西南风6~7级、阵风7~8级减小至5~6级、阵风6~7级，海况大浪转中浪，小雨转中雨，能见度中等。
日本海东北部海域
东南风5~6级、阵风6~7级转北风6~7级、阵风7~8级，海况中浪，小雨转多云，能见度中等。
日本海西南部海域
东北风5~6级、阵风6~7级增大至6~7级、阵风7~8级，海况中浪，阴转多云，能见度中等。
朝鲜海峡
东北风7~8级、阵风8~9级，海况大浪，阴，能见度中等。
日本以南洋面
东北风7~8级、阵风8~9级转北风8~9级、阵风9~10级，海况巨浪转狂浪，小雨转暴雨，能见度中等转极差。
琉球群岛以东洋面
旋转风12~13级、阵风13~14级增大至13~14级、阵风14~15级，海况狂涛转怒涛，暴雨，能见度极差。
小笠原群岛以西洋面
东南风10~11级、阵风11~12级转南风11~12级、阵风12~13级，海况狂涛，大雨，能见度中等转差。
菲律宾东北洋面
旋转风13~14级、阵风14~15级转西风12~13级、阵风13~14级，海况怒涛，大雨转小雨，能见度中等。
北马里亚纳群岛以西洋面
南风10~11级、阵风11~12级，海况狂涛，中雨，能见度中等。
菲律宾东南洋面
西南风8~9级、阵风9~10级，海况狂浪转巨浪，小雨，能见度中等。
关岛以西洋面
西南风8~9级、阵风9~10级，海况巨浪，小雨转中雨，能见度中等。
菲律宾西南海域
西风7~8级、阵风8~9级转西南风6~7级、阵风7~8级，海况大浪，小雨转中雨，能见度中等。
印度尼西亚东北海域
西南风5~6级、阵风6~7级，海况中浪，中雨转小雨，能见度中等。
爪哇岛以南海域
东南风4~5级，海况大浪，多云，能见度中等。
爪哇岛以北海域
南风5~6级、阵风6~7级减小至4~5级、阵风5~6级，海况中浪，小雨，能见度中等。
苏门答腊以西洋面
东南风5~6级、阵风6~7级，海况大浪，小雨，能见度中等。