NAVAREA XI - 11th RCG

Maritime Safety Information Warnings

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11TH RCG 179/25
140200 JST SEP 2025
NAVIGATIONAL AIDS, 11TH RCG LOCAL WARNING NO.179 PROMULGATION TIME 14 0200JST SEP. OKINAWA SHIMA.KIN NAKAGUSUKU KO.ISHIKAWA CHIKU,TEMPORARY LIGHT.FLASH 1 RED3SEC, 26-25-26N 127-49-59E EXTINGUISHED.
11TH RCG 152/25
221610 JST AUG 2025
PROHIBITION, 11TH RCG LOCAL WARNING NO.152, PROMULGATION TIME 221610 JST AUG. OKINAWA SHIMA. NAHA KO.ANCHORING PROHIBITED,DUE TO EXISTENCE OF UNEXPLODED SHELL.FROM 22 AUG TO UNTIL FURTHER NOTICE.WITHIN 50 METRES OF 26-14-14N 127-39-28E.(CANCEL 11TH RCG LOCAL WARNING NO.151)
11TH RCG 100/19
181815 JST JUN 2019
EXPLOSIVE 11TH RCG LOCAL WARNING NO.100. PROMULGATION TIME 181815 JST JUN. NANSEI SHOTO.OKINAWA GUNTO.W OF KOURI SHIMA. UNEXPLODED SHELL, EXIST IN 26-42.0N 127-59.5E.
11TH RCG 19/19
041610 JST FEB 2019
DEPTH 11TH RCG LOCAL WARNING NO.19,PROMULGATION TIME 041610 JST FEB. OKINAWA GUNTO,KERAMA RETTO,SHOALS EXISTS,A.26-14-30N 127-24-22E, DEPTH OF 5.3 METRES.B.26-08-14N 127-20-27E, DEPTH OF 0.1 METRES.
11TH RCG 18/19
041610 JST FEB 2019
DEPTH 11TH RCG LOCAL WARNING NO.18,PROMULGATION TIME 041610 JST FEB. OKINAWA GUNTO,IE SHIMA,SHOALS EXISTS,A.26-42-13.4N 127-47-35.9E, DEPTH OF 2.5 METRES.B.26-42-12.1N 127-47-39.9E, DEPTH OF 2.8 METRES.C.26-42-05.1N 127-47-42.7E, DEPTH OF 3.2 METRES.
11TH RCG 268/17
311010 JST OCT 2017
DEPTH 11TH RCG LOCAL WARNING NO.268 PROMULGATION TIME 311010 JST OCT. OKINAWA SHIMA.KIN NAKAGUSUKU KO.UNDERWATER OBSTRACTION, WITH DEPTH OF 8.2 METRES, EXISTS IN 26-25-43.4N127-53-09.0E.
11TH RCG 246/17
251610  JS TSE P2017
DEPTH 11TH RCG LOCAL WARNING NO.246 PROMULGATION TIME 251610 JST SEP. OKINAWA GUNTO.ENE OF KOURI SHIMA.SHOALS EXISTS,26-45-02.1N 128-05-45.8E, DEPTH OF 12.4 METRES.
11TH RCG 21/17
271010 JST JAN 2017
EXPLOSIVE 11TH RCG LOCAL WARNING NO.21. PROMULGATION TIME 271010 JST JAN. NANSEI SHOTO.OKINAWA GUNTO.NNE OF KOURI SHIMA. UNEXPLODED SHELL, EXIST IN 26-43.5N 128-01.8E. ( CANCEL 11TH RCG LOCAL WARNING NO.20)
11TH RCG 27/12
161800 JST MAY 2012
DEPTH 11TH RCG LOCAL WARNING NO.27, PROMULGATION TIME 16, 1800JST MAY. NANSEI SHOTO. OKINAWA SHIMA.2 SUBMERGED OBSTRUCTIONS EXIST,1 DEPTH OF ABOUT 38 METRES,EXISTS IN 26-42-49N, 128-04-37E.2 DEPTH OF ABOUT 34 METRES,EXISTS IN 26-43-38N, 128-05-32E.VESSELS IN VICINITY OF THE AREA REQUESTED TO BE CAUTION ADVISED.