（來源：中央氣象臺）

今年第4號臺風“丹娜絲”（熱帶風暴級），于7月5日0700時在北緯20.2°東經117.4°，即距（舟山）1192公里的海面上，中心最大風力8級，中心氣壓為998百帕，移動方向偏北，移動速度每小時5-10公里。

舟山海事局決定于7月5日0830時啟動Ⅳ級防臺應急響應。

請各單位按照防臺預案和各自的防臺規定做好防臺準備工作。

安全提醒

1.各相關單位要密切跟蹤臺風的動態，早預警、早行動，利用風前有限窗口期落實各項防臺措施。

2.沿海船舶要及時檢查受損情況，發現可能影響船舶安全的設施設備受損時，及時進行修理。

3.錨泊船應有序撤離至錨泊水域，并聽從海事交管中心或現場海巡艇指揮。

4.發現航標漂失、移位或燈光熄滅以及沉船、沉物、漂浮物時應及時報告海事部門。

以下是天氣預報

海洋天氣公報

預報：呂心艷 簽發：黃彬2025年07月05日06時

我國南部和東部海域將有8~10級大風

一、近海海域天氣實況

7月4日14時至5日02時，黃海中部和南部海域、東海北部海域出現了5~7級、陣風8級的西南風，南海東北部海域出現了6~8級、陣風9~10級的旋轉風。黃海東北部和東南部海域出現了能見度不足1公里的大霧。

二、未來三天具體預報

5日08時至6日08時，南海東北部海域將有7～9級、陣風10級的旋轉風，其中“丹娜絲”中心經過附近海域風力可達10～12級、陣風13級，臺灣海峽、巴士海峽將有6～8級、陣風9級的大風，其中部分海域風力可達9級、陣風10級，南海中東部海域將有6～8級、陣風9級的西南風，臺灣以東洋面、南海南部海域將有5～7級、陣風8級的偏南到西南風，東海南部海域將有5～6級、陣風7級的東南風。

6日08時至7日08時，臺灣海峽將有8～10級、陣風11級的旋轉風，其中“丹娜絲”中心經過附近海域風力可達11～12級、陣風13～14級，南海東北部海域將有7～9級、陣風10級的偏南風，其中部分海域風力可達10級、陣風11～12級，臺灣以東洋面、巴士海峽將有6～8級、陣風9級的偏南到西南風，東海南部海域將有6～8級、陣風9級的東南風，南海中東部海域將有6～7級、陣風8級的西南風，南海南部海域將有5～6級、陣風7級的西南風。

7日08時至8日08時，臺灣海峽將有10～11級、陣風12～13級減弱到6～8級、陣風9級的偏南風，東海南部海域將有8～10級、陣風11級的偏南風，部分海域風力可達11級、陣風12～13級，臺灣以東洋面將有6～8級、陣風9級的偏南到西南風，巴士海峽將有6～7級、陣風8級的西南風，東海北部海域將有5～7級、陣風8級的東南風，北部灣、南海東部和西部海域將有5～6級、陣風7級的西南風。

海事天氣公報

ZCZC

WWCI50 BABJ 050000

2:1:31:11:01:00

BT

SECURITE =

MESSAGE FOR METAREA XI (CHINA) ISSUED BY NMC BEIJING

AT 0330UTC JUL.05 2025 =

MESSAGE IS UPDATED EVERY 06 HOURS =

SYNOPSIS VALID 0000UTC JUL.05 =

FCST VALID 0000UTC JUL.06 =

WARNNING=

TROPICAL CYCLONE WARNNING=

TS DANAS 2504(2504) 995HPA AT 20.2N 117.4E

MVG ALMOST STATIONARY 0KMH AND MAX WINDS 20M/S NEAR CENTER

(SEAS UP TO 4M)

AND RADIUS OF 30KTS WINDS

180KM NE

200KM SE

200KM SW

150KM NW

AND FCST FOR 050600UTC AT 20.4N 117.4E 995HPA

AND MAX WINDS 20M/S NEAR CENTER

AND FCST FOR 051200UTC AT 20.9N 117.5E 990HPA

AND MAX WINDS 23M/S NEAR CENTER

AND FCST FOR 051800UTC AT 21.3N 117.8E 985HPA

AND MAX WINDS 25M/S NEAR CENTER

AND FCST FOR 060000UTC AT 21.7N 118.1E 980HPA

AND MAX WINDS 30M/S NEAR CENTER=

SUMMARY=

SW/SLY WINDS FROM 10 TO 12M/S GUSTS 14M/S SEAS UP

TO 1.5M OVER BASHI CHANNEL AND EAST CENTRAL SOUTH

CHINA SEA AND SOUTHEASTERN PART OF SOUTH CHINA

SEA=

SLY WINDS FROM 14 TO 18M/S GUSTS 22M/S SEAS UP TO

3.5M OVER NORTHEASTERN PART OF SOUTH CHINA SEA=

DENSE FOG OBSERVED LOCALLY OVER NORTHERN PART OF

YELLOW SEA WITH HORIZONTAL VISIBILITY LESS THAN

1KM=

HORIZONTAL VISIBILITY LESS THAN 10KM OVER BOHAI

SEA AND CENTRAL PART OF YELLOW SEA AND SOUTHERN

PART OF YELLOW SEA AND NORTHWESTERN PART OF SOUTH

CHINA SEA AND NORTHEASTERN PART OF JAPAN 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 SEA

SOUTH OF JAWA AND MAKASSAR STRAIT AND LAUT MALUKU

AND LAUT BANDA=

FCST=

SOUTHERN PART OF EAST CHINA SEA

SE WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE OVERCAST VIS GOOD=

TAIWAN STRAIT

E WINDS 12 TO 16M/S GUSTS 16 TO 20M/S VEER SE

WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE

ROUGH OVERCAST BECMG HEAVY RAIN VIS GOOD TO

MODERATE=

SEA EAST OF TAIWAN

S WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE OVERCAST BECMG HEAVY RAIN VIS GOOD TO

MODERATE=

BASHI CHANNEL

S WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE

ROUGH HEAVY RAIN VIS MODERATE=

NORTHEASTERN PART OF SOUTH CHINA SEA

S WINDS 16 TO 20M/S GUSTS 20 TO 24M/S INCR 20 TO

24M/S GUSTS 24 TO 28M/S SEA STATE ROUGH TO VERY

ROUGH RAINSTORM VIS POOR=

EAST CENTRAL SOUTH CHINA SEA

SW WINDS 12 TO 16M/S GUSTS 16 TO 20M/S SEA STATE

MODERATE TO ROUGH MODERATE RAIN VIS MODERATE=

SOUTHWESTERN PART OF SOUTH CHINA SEA

SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE CLOUDY BECMG MODERATE RAIN VIS GOOD TO

MODERATE=

SOUTHEASTERN PART OF SOUTH CHINA SEA

SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE CLOUDY BECMG MODERATE RAIN VIS GOOD TO

MODERATE=

SOUTHWESTERN PART OF JAPAN SEA

SW WINDS VEER W 08 TO 12M/S GUSTS 12 TO 16M/S SEA

STATE SLIGHT TO MODERATE CLOUDY VIS GOOD=

KOREA STRAIT

SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

SLIGHT TO MODERATE CLOUDY VIS GOOD=

SEA NORTHEAST OF THE PHILIPPINES

S WINDS 06 TO 08M/S GUSTS 08 TO 12M/S INCR 08 TO

12M/S GUSTS 12 TO 16M/S SEA STATE MODERATE

OVERCAST VIS GOOD=

SEA SOUTH OF JAWA

SE WINDS BACK E 06 TO 08M/S GUSTS 08 TO 12M/S SEA

STATE MODERATE CLOUDY VIS GOOD=

SEA SOUTH OF SUMATERA

E WINDS 06 TO 08M/S GUSTS 08 TO 12M/S SEA STATE

MODERATE MODERATE RAIN VIS MODERATE=

ANDAMAN SEA

SW WINDS 08 TO 12M/S GUSTS 12 TO 16M/S SEA STATE

MODERATE MODERATE RAIN VIS MODERATE=

NNNN

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