What rules govern international waters?

  • April 26, 2026
  • IR

The Hindu

What rules govern international waters?

1. Core Thesis of the Article

The article explains that maritime disputes such as those in the Strait of Hormuz are governed by international law—primarily UNCLOS—which balances coastal state sovereignty with global navigation rights. However, enforcement gaps and geopolitical rivalries often undermine this legal framework.

 

2. Detailed Breakdown of Key Arguments

 

(1) Strategic Context: Strait of Hormuz Crisis

  • Strait of Hormuz:
    • Critical chokepoint for global oil trade (~20% of global oil flows)
  • Recent incidents:
    • Seizure of ships by Iran and counter-actions

Core argument:
Geopolitical tensions often test maritime legal norms

 

(2) Concept of International Waters

  • High seas:
    • Beyond national jurisdiction
    • Governed by common principles
  • Coastal waters:
    • Territorial waters (12 nautical miles)
    • Exclusive Economic Zone (EEZ – 200 nautical miles)

Insight:
Different zones = different rights and obligations

 

(3) UNCLOS as the Legal Framework

  • United Nations Convention on the Law of the Sea (UNCLOS):
    • Defines maritime boundaries
    • Governs navigation rights

Key provisions:

  • Freedom of navigation
  • Innocent passage
  • Transit passage (in straits)

 

(4) Transit Passage vs Innocent Passage

  • Transit Passage:
    • Continuous, expeditious passage through straits
    • Cannot be suspended by coastal states
  • Innocent Passage:
    • Allowed but subject to coastal state control

Importance:
Strait of Hormuz qualifies for transit passage, limiting Iran’s authority

 

(5) Limits of Coastal State Power

  • Coastal states:
    • Cannot arbitrarily block straits
    • Can regulate for safety/security
  • Excessive control:
    • Violates international law

 

(6) Enforcement Challenges

  • UNCLOS lacks strong enforcement mechanisms
  • Dependence on:
    • state compliance
    • international diplomacy

Result:
Law often subordinated to power politics

 

(7) Role of Major Powers

  • US:
    • Ensures freedom of navigation
  • Iran:
    • Uses geography as leverage

Observation:
Maritime law is shaped by strategic interests

 

(8) Grey Areas in Law

  • Interpretation disputes:
    • Security threats vs freedom of navigation
  • Non-state threats:
    • piracy
    • terrorism

 

(9) Economic Implications

  • Disruption of straits:
    • increases oil prices
    • impacts global supply chains

 

(10) Need for Multilateral Mechanisms

  • UN role limited
  • Need for:
    • stronger dispute resolution
    • regional cooperation

 

3. Author’s Stance

  • Explanatory with mild concern
  • Believes:
    • legal framework exists but is insufficient in practice

Tone:

  • Analytical, informative, slightly critical of enforcement gaps

4. Biases in the Article

 

(1) Legal Idealism

  • Assumes law should guide behaviour, while ignoring power asymmetry

 

(2) Mild Western Perspective

  • Emphasis on freedom of navigation (aligned with US position)

 

(3) Limited Perspective of Coastal States

  • Less emphasis on:
    • security concerns of states like Iran

5. Pros and Cons of the Framework

 

Pros

Clear legal structure (UNCLOS)

  • Defines maritime zones

Ensures global trade continuity

  • Freedom of navigation

Reduces conflict potential

  • Common rules

 

Cons

Weak enforcement

  • No strong global authority

Ambiguity in interpretation

  • Leads to disputes

Power politics override law

  • Strong states dominate

 

6. Policy Implications

 

(1) Strengthening Maritime Governance

  • Enhance dispute resolution mechanisms

 

(2) India’s Strategic Position

  • India depends heavily on:
    • Gulf oil imports
  • Needs:
    • secure sea lanes

(3) Naval Modernisation

  • Protect trade routes

 

(4) Multilateral Engagement

  • Role in:
    • Indo-Pacific frameworks
    • maritime cooperation

 

(5) Legal Preparedness

  • Strengthen:
    • maritime law expertise
    • negotiation capacity

 

7. Real-World Impact

 

Short-Term

  • Volatility in oil prices
  • Shipping disruptions

 

Medium-Term

  • Militarisation of sea lanes

 

Long-Term

  • Reconfiguration of maritime power balance

 

8. UPSC GS Linkages

 

GS Paper II

  • International relations
  • Global governance

 

GS Paper III

  • Energy security
  • Maritime security

 

GS Paper I

  • World geography (straits, sea routes)

 

Essay Topics

  • “Global commons and governance challenges”
  • “Freedom of navigation vs national sovereignty”

 

9. Critical Analytical Insight

The article highlights a key paradox: while oceans are legally global commons, in practice they are arenas of strategic contestation.

 

10. Balanced Conclusion

The article successfully explains:

  • Legal framework (UNCLOS)
  • Strategic importance of maritime routes
  • Enforcement limitations

However:

  • It underplays:
    • security concerns of coastal states
    • asymmetry of power in global governance

 

11. Way Forward

  • Strengthen:
    • UNCLOS dispute mechanisms
  • Promote:
    • regional maritime cooperation
  • Balance:
    • sovereignty and global commons

 

Final Editorial Takeaway

International maritime law provides a necessary framework, but not a sufficient guarantee. The real test lies in reconciling legal norms with geopolitical realities—where power, not just principles, shapes outcomes in global waters.