Port Anchorages Conditions of Donghae Port

Anchorage Name	Location (Coordinates)	Area (km²)	Depth (m)	Bottom Type	Max Vessel DWT	Capacity	Primary Use	Restrictions & Safety Notes	Commercial Notes
Donghae Outer Anchorage	37°29’30″N, 129°07’30″E	2.5	20-25	Mud/Sand	50,000	5 vessels	General cargo, bulk carriers	Exposed to NE winds; avoid typhoon season (Jun–Nov). Anchor holding power moderate; recommend 6:1 scope. Prohibited for LNG carriers (per Port Regulation 12-3). Vessels >40,000 DWT must use port tugs during winds >25 knots.	Pilotage required for entry; contact Donghae VTS Ch 16. Bunkering available via tender (advance notice 24h). Nearest ship chandler: Donghae Port Supply Co. (official vendor).
Donghae Inner Anchorage	37°28’00″N, 129°08’00″E	1.2	15-18	Clay/Mud	30,000	3 vessels	Coal, timber	Limited swing room; tug assistance advised for vessels >20,000 DWT. Strict no-discharge zone (MARPOL Annex V). Dredging operations may occur Jan-Mar (check NOTAMs).	Coal loading delays possible due to conveyor capacity (avg 8,000t/day). Freshwater supply available (50t/hr max). Customs clearance available at anchorage (pre-arranged).
Mukho Anchorage	37°33’00″N, 129°06’00″E	1.8	12-15	Sand/Shell	20,000	4 vessels	Fishing vessels, small bulkers	Strong currents (up to 2.5 knots); monitor tide tables. Fishing nets frequent; daylight anchoring recommended. Minimum 0.5nm clearance from fishing fleet (local ordinance).	Near Mukho Fishing Port (ice/repairs available). No bunkering; nearest facility at Donghae Inner. Local agent required for provisioning.
North Emergency Anchorage	37°31’12″N, 129°09’45″E	0.8	18-22	Rock/Mud	40,000	2 vessels	Emergency use only	Requires prior permission from Port Control. No commercial operations allowed. Medical evacuation priority (helicopter pad at 37°31’15″N).	N/A (Reserved for distress situations)
South Temporary Anchorage	37°27’30″N, 129°08’45″E	0.6	10-12	Sandy	10,000	2 vessels	Coastal vessels, waiting area	Max stay 72 hours (Port Rule 5.2.1). No night operations permitted.	No services available. Used primarily for port congestion management.

Additional Critical Information:

Pilotage:
- Mandatory for vessels >500 GT; 12h notice required.
- Pilot boarding area: 37°30’N, 129°08’E (KHOA Chart 121).
- Pilot ladder compliance: IMO Resolution A.1045(27) standards.
Tidal & Currents:
- Mean tidal range: 0.3–0.5 m (microtidal).
- Max current: 3 knots during spring tides (NE anchorage).
- Tide tables: Refer to KHOA Publication No. 2023-11.
Weather Risks:
- Winter NE monsoon winds (Nov–Mar) up to 30 knots.
- Typhoon alerts issued by Korea Meteorological Administration (KMA).
- Fog frequency: 15% annual occurrence (Mar–Jun).
Prohibited Zones:
- Military restricted area: 37°30’N, 129°10’E to 37°32’N, 129°12’E.
- No-anchoring zone within 0.5 NM of submarine cables (marked on charts).
- Environmental protection zone near 37°29’N, 129°06’E (no anchoring).
Legal Compliance:
- Anchorage fees: 0.05 USD/GT/day (Donghae Port Tariff 2023).
- Waste disposal: Only at designated reception facilities (MARPOL compliance).
- Ballast water exchange: Minimum 200nm from coast (per Korea MOF).
Emergency Protocols:
- Oil spill response: Contact Korea Coast Guard (VHF Ch 16).
- Medical emergency: Designated hospital – Donghae Hankook Hospital (37°29’N).