Released in 2019 as an extension to our Navarea warning app available on Android and Apple devices, Our Navarea warning API's are the one stop shop for nav area warnings, no more checking various websites for in-force and cancelled warning, use as a back up to your hardware receiver
We have advanced API's for our navarea warning dataset, perfect for integrating into your own systems and easy for developers to work with.
All warnings are checked and validated every 15 minutes so you never miss any data, all coastal warnings are included
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NavArea
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Message
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| District 11 | 2025-04-24 08:53:35.937 | I MEF EOTG Maritime (Waterborne) Tactical Recovery of Aircraft and Personnel will be conducting Naval/Aviation Activity on 5 May 2025, from 9:00 am to 2:00 pm. This operation entails live waterborne hoist operations consisting of water surface environmental check, basket recovery of rescue dummy, recovery and insert of swimmers with and without rescue devices to validate proficiency in waterborne recovery. They will be utilizing 1 MV-22 Osprey Tiltrotor Aircraft, 2 Open Water Safety Craft and one Rescue Watercraft. An exclusion zone of 500 meters is requested to keep clear of all boat traffic prior to conducting the operation. Safety boats will be monitoring VHF Channel 82A. Mariners are requested to transit the area with caution. For more details or comments, contact GySgt Wellmon at kyle.wellmon@usmc.mil or 845-857-7341. Status : Approved Type : Naval Testing (Surface/Underwater) From : 2025-04-28 Until : 2025-05-05 |
| Zhejiang MSA | 2025-04-25 00:16:00.13 | Zhejiang Navigation Warning 0400/25: In the East China Sea, it is reported that one person fell overboard from the vessel "Jiuhuashan 21" near 28-09.60N 121-06.08E (approximate position) (2000 National Geodetic Coordinate System). Passing ships are requested to assist in search and rescue. |
| Shandong MSA | 2025-04-25 03:16:00.21 | Luhang Alert 269/25, Yellow Sea: Military activities will be conducted from 1400 to 1930 on April 25 within the areas enclosed by connecting the following coordinates: 38-20.38N 123-16.65E, 38-13.85N 123-15.70E, 38-13.23N 123-23.38E, 38-20.02N 123-24.48E, as well as 38-14.95N 122-35.93E, 38-12.23N 123-01.13E, 38-26.80N 123-02.55E, 38-29.50N 122-37.97E. Entry is prohibited. |
| Shandong MSA (SD) | 2025-04-25 03:16:00.273 | SD234/25, YELLOW SEA MILITARY ACTIVITIES FROM 250600UTC TO 251130UTC APR IN AREA BOUNDED BY THE LINES JOINING 38-20.38N 123-16.65E, 38-13.85N 123-15.70E, 38-13.23N 123-23.38E, 38-20.02N 123-24.48E AND IN AREA BOUNDED BY THE LINES JOINING 38-14.95N 122-35.93E, 38-12.23N 123-01.13E, 38-26.80N 123-02.55E, 38-29.50N 122-37.97E. ENTERING PROHIBITED. SHANDONG MSA CHINA. |
| Murmansk | 2025-04-22 16:16:00.26 | COASTAL WARNING WEST MURMANSK 124 CHART 17054
KOLA BAY
1. SUBMARINE AUTONOMOUS HYDROLOGICAL STATION DEPLOYED UNTIL MAY 15 AT 69-04-27.06N 033-10-19.47E AVOID BY 1 CABLE LENGTH 2. DISMISS THIS NOTICE ON MAY 16 221000 MSK GS- |
| Korea | 2025-04-24 09:17:01.387 | Department-2604 (2025.4.23). 2. The Korea Coast Guard has informed about the maritime shooting training plan as attached, so please inform the navigation and fishing vessels accordingly. Operations Department End. No. - Shooting Training Zone - Date - Time - Relevant Chart 1 - East Coast-Sokcho Coastal (R-140) - 04/28,29,30,05/0105/03 - 09:00 ~ 20:0007:00 ~ 18:00 - 1412 2 - East Sea-Offshore of Ulleungdo East (R-141) - 04/2804/2904/30,05/01,02,03,04 - 09:00 ~ 18:0009:00 ~ 22:0009:00 ~ 24:00 - 1417 3 - East Sea-Offshore of Ganggu Port (R-142B) - 05/0105/02,03,04 - 09:00 ~ 18:0009:00 ~ 21:00 - 1416 4 - East Coast-Homigot Coast (R-142C) - 04/28,05/0204/29 - 09:00 ~ 15:0009:00 ~ 18:00 - 1711 5 - South Coast-Busan Coastal (R-143) - 04/30,05/01 - 09:00 ~ 18:00 - 2111 6 - South Coast-Vicinity of Sojido (R-144) - 04/28,05/0204/29 - 09:30 ~ 11:3009:00 ~ 14:00 - 2113 7 - South Coast-South of Cheongsan-do Coastal (R-146) - 04/28,29,3005/0105/02 - 13:00 ~ 21:0009:00 ~ 23:0007:00 ~ 17:00 - 2415 8 - Korea Strait-Offshore South of Marado (R-147) - 04/28,29,30,05/01,02 - 08:00 ~ 22:00 - 2400 9 - West Coast-Vicinity of Bulmugi Island (R-148A) - 05/01 - 09:00 ~ 12:00 - 2300 10 - West Coast-West of Jindo Coastal (R-148B) - 04/3005/0105/02 - 10:00 ~ 17:0012:00 ~ 18:0010:00 ~ 20:00 - 3111 11 - South Coast-West of Hwa-do Coastal (R-149) - 04/28,29,30,05/01,02,03,04 - 09:00 ~ 21:00 - 2713 12 - West Coast-South of Mal-do Coastal (R-151A) - 04/30,05/04 - 10:00 ~ 13:00 - 3412 13 - South Coast ~ South of Jeju-do centered at 32-59-00N,125-49-00E with a radius of 5 NM - 04/28,29,30,05/02,0305/01,04 - 07:00 ~ 21:0009:00 ~ 21:00 - 2500 14 - West Coast ~ Vicinity of Incheon Port area bounded by (1) 37-08-00N,126-10-00E (2) 37-08-00N,126-15-00E (3) 37-05-50N,126-14-00E (4) 37-05-00N,126-10-00E - 05/0205/03,04 - 08:00 ~ 18:0009:00 ~ 18:00 - 3415 15 - West Coast ~ Central Yellow Sea area bounded by (1) 37-30-00N,124-50-00E (2) 37-25-00N,124-50-00E (3) 37-25-00N,124-43-00E (4) 37-30-00N,124-43-00E - 04/28 - 13:00 ~ 16:00 - 3200 |
| Liaoning MSA (LN) | 2025-04-25 01:00:47.203 | LN105/25 BOHAI SEA CANCEL LN103/25. CAUTION ADVISED. LIAONING MSA CHINA. |
| Liaoning MSA | 2025-04-25 01:00:47.203 | Liaoning Navigation Warning 105/25, Bohai Sea, cancellation of Liaoning Navigation Warning 103/25. Attention to all vessels. |
| 7th RCG | 2025-04-24 23:56:10.173 | OPERATION.
7TH REGIONAL COAST GUARD HEADQUARTERS LOCAL WARNING NO.89. PROMULGATION TIME 250830 JST APR.KYUSHU NORTH COAST, NORTHEAST OF TSUSHIMA.SHIP TO SHIP GAS TRANSFER OPERATION BY BW MONSOON CONCLUDED.CANCEL 7TH REGIONAL COAST GUARD HEADQUARTERS LOCAL WARNING NO.87. |
| Gui MSA | 2025-04-25 03:16:00.147 | GX NAVWARN 44/25, Beibu Gulf, vessel training will be conducted from 0900 on April 27, 2025, to 1200 on April 29, 2025, within the area bounded by the points 21-29.00N 108-27.00E, 21-29.00N 108-32.00E, 21-25.00N 108-32.00E, and 21-25.00N 108-27.00E. Entry is prohibited. |
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