Witherbys - Passage Planning Guide to the Lombok and Sunda Straits, Indonesia

Navigate Indonesia’s Critical Waterways with Confidence
The Lombok and Sunda Straits are among the most heavily trafficked and strategically vital maritime passages in Southeast Asia, demanding meticulous planning and local expertise. This guide is engineered to meet those challenges, offering captains, navigating officers, and vessel managers a complete, up-to-date resource for safe and compliant transits. With 78 pages of detailed insights, it combines regulatory compliance, operational best practices, and visual aids to ensure seamless navigation in both directions. Published in September 2025 and updated for the 2026-27 edition, it reflects the latest maritime regulations, including the IMO’s 2020 Traffic Separation Schemes (TSS) and the newly designated Particularly Sensitive Sea Area (PSSA) around Nusa Penida and Gili Matra Islands. Designed for professionals who cannot afford uncertainty, this guide transforms complex navigation into a structured, manageable process.

Precision Tools for High-Stakes Navigation
Beyond traditional charts, this guide provides a dynamic toolkit for real-world operations. Annotated satellite maps pinpoint critical aids to navigation and potential hazards, while aerial photographs of Indonesian islands offer unparalleled situational awareness. Tidal currents, climatic conditions, and Vessel Traffic Service (VTS) reporting requirements are clearly outlined, ensuring compliance with local and international standards. A pre-entry bridge team meeting checklist streamlines preparations, reducing the risk of oversights in high-pressure environments. Whether navigating the narrow confines of the Sunda Strait or the environmentally sensitive waters of the Lombok Strait, this guide delivers the clarity and confidence needed to execute transits safely and efficiently.

Built for Maritime Professionals, Backed by Authority
Developed in partnership with Indonesia’s Ministry of Transportation, this guide is more than a reference—it’s a trusted operational companion. Its content is regularly updated to reflect evolving regulations, local conditions, and industry best practices. For shipping companies, vessel operators, and crew members, it represents a proactive investment in safety, compliance, and operational excellence. With dimensions of 297 mm x 210 mm and a lightweight 0.8 kg, it’s designed for easy use on the bridge, ensuring critical information is always within reach when it matters most.

This guide is a printed, 78-page resource in English, published in September 2025 for the 2026-27 edition. It measures 297 mm in height and 210 mm in width, with a weight of 0.8 kg, making it practical for onboard use. The physical format ensures durability and ease of reference during transits through the Lombok and Sunda Straits.

With decades of expertise in maritime publications, this brand is a trusted name among shipping professionals worldwide. Specializing in navigation guides, regulatory updates, and operational resources, their products are developed in collaboration with maritime authorities and industry leaders. Known for accuracy, practicality, and alignment with international standards, their publications are essential tools for safe and efficient vessel operations.

• This guide enhances safety and compliance with up-to-date regulatory insights, including IMO-adopted Traffic Separation Schemes and PSSA designations.
• Annotated satellite maps and aerial photographs improve situational awareness, while a pre-entry checklist ensures operational readiness.
• Lightweight and durable, it’s designed for practical use on the bridge, providing critical information at a glance.
• Backed by collaboration with Indonesian authorities, it offers unmatched reliability for navigating one of Southeast Asia’s most complex maritime environments.