MARINO PH
Your Maritime Digital Hub
PHOTO COURTESY: POSIDONIA
The global shipping industry is preparing for Posidonia 2026, scheduled from June 1 to 5, 2026, in Athens, Greece. The event is widely known as one of the largest maritime exhibitions, bringing together professionals from different parts of the shipping sector.
A semidiurnal tide is a tidal pattern in which two high tides and two low tides occur each day, with relatively equal heights and intervals. This means coastal areas experiencing semidiurnal tides will typically have a high tide every 12 hours and 25 minutes, followed by a low tide in between. It is the most common tidal pattern observed around the world, especially along the Atlantic coasts of North America and Europe. Semidiurnal tides are caused primarily by the gravitational pull of the Moon and the Sun on Earth’s oceans. As the Earth rotates, ocean waters are pulled toward the Moon, creating tidal bulges. Areas passing through these bulges experience high tides, while areas between them experience low tides. The Sun’s gravity also influences tides, either strengthening or weakening them depending on the alignment of the Earth, Moon, and Sun.
Seafarer Dies After Stabbing Incident Onboard Tanker Waiting for Scrapping in Bangladesh
A seafarer lost his life after a stabbing incident onboard a tanker anchored off the coast of Bangladesh while waiting to be delivered to a shipbreaking yard, according to reports from local authorities and maritime sources. The incident happened onboard the Thai-owned product tanker K.P.P. 01, which had arrived near Chattogram, Bangladesh for its final voyage before scrapping. Reports said the vessel departed from Phuket, Thailand with only a small delivery crew onboard. According to maritime and local police reports, two crewmembers were involved in a serious altercation while the tanker was anchored offshore on May 17. The situation reportedly became violent after an argument between an able seaman and an oiler escalated onboard the vessel.
Norway Celebrates Constitution Day in Manila, Strengthening Ties With the Philippines
Norway Celebrates Constitution Day in Manila, Strengthening Ties With the Philippines MANILA, Philippines — The Royal Norwegian Embassy in Manila hosted a memorable and unique celebration of Norway’s Constitution Day at Museo del Galeón, bringing together government officials, maritime stakeholders, civil society groups, peace organizations, business representatives, and invited guests to honor the growing friendship between Norway and the Philippines. Known in Norway as “Grunnlovsdagen” or Constitution Day, the annual celebration commemorates the signing of the Norwegian Constitution on May 17, 1814. This year’s event in Manila highlighted the long-standing partnership between the two countries and showcased the strong cooperation that continues to expand in different sectors.
U.S. Navy Reportedly Seizes Third Iran-Linked “Shadow Fleet” Tanker
U.S. Navy Reportedly Seizes Third Iran-Linked “Shadow Fleet” Tanker The United States Navy has reportedly seized another tanker believed to be part of Iran’s so-called “shadow fleet,” increasing tensions in international waters as enforcement operations against sanctioned oil shipments continue. According to reports from The Maritime Executive and other international maritime sources, the tanker identified as Skywave was intercepted in the Indian Ocean while allegedly transporting Iranian crude oil. Reports said the vessel may have been carrying more than one million barrels of oil linked to Iran’s export network.
Seven Stowaways Found Hiding Near Rudder of Bocimar Tanker Off West Africa
Seven men were discovered hiding near the rudder compartment of a Belgian-flagged oil tanker while the vessel was sailing off the coast of West Africa, raising fresh concerns over maritime security and stowaway incidents in the region. The tanker, identified as the Cap Felix, is operated by Bocimar and was reportedly traveling from Abidjan, Côte d’Ivoire, when the incident was reported to maritime authorities. According to reports, the vessel was already around 200 nautical miles away from shore when assistance was requested through the Maritime Operations Center in Côte d’Ivoire.
AIM, DMMA Sign MOA for Maritime Leadership and Officer Development Program
A major step toward strengthening maritime leadership education in the Philippines was formally marked today as Asian Institute of Management and DMMA College of Southern Philippines signed a Memorandum of Agreement (MOA)during a formal ceremony held at the AIM Campus in Makati City. The partnership officially launched the Postgraduate Certificate in Maritime Leadership and Officer Development Program, an executive-level academic initiative designed to enhance leadership, communication, management, and decision-making skills among maritime officers, educators, and industry professionals.
International Day of Women in Maritime Forum Highlights Inclusivity and Women Empowerment in Manila
The Philippine maritime community successfully celebrated the International Day of Women in Maritime through a meaningful forum organized by Women in Maritime Philippines (WIMAPHIL) on May 18 at the Manila Prince Hotel. Carrying the theme, “Voices of Resilient Women in Maritime in the Face of Global Uncertainty,” the event gathered maritime stakeholders, industry leaders, educators, cadets, shipping executives, government representatives, maritime professionals, and advocacy groups in support of women empowerment, diversity, and inclusivity within the maritime sector.
ALMA Leads Maritime Industry Campaign Against CSAM and Online Exploitation
MANILA, Philippines — The Philippine maritime industry gathered at Okada Manila on May 12 for the 2026 CSAM Forum, where shipping leaders, manning agencies, government officials, and international partners launched a campaign against child sexual abuse material (CSAM) and online exploitation in the maritime sector.
Cebu Maritime Expo 2026 Concludes with Strong Success, Showcasing Industry Unity and Growth
CEBU CITY — The Cebu Maritime Expo and Conference 2026, held from April 22 to 24 at the IEC Convention Center, concluded on a high note, drawing thousands of maritime professionals, stakeholders, and exhibitors in what organizers described as a “highly successful and impactful” industry gathering.
A frontal depression is a large low-pressure weather system formed when warm air and cold air masses meet along a front, usually in middle and high latitudes. It is also called a mid-latitude cyclone or extratropical cyclone. The system develops when warm, lighter air rises over colder, denser air, causing a drop in atmospheric pressure. As the pressure decreases, winds begin circulating around the low-pressure center counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Flame Arrestors and Their Role in Industrial Safety A flame arrestor is a critical safety device designed to stop flames from spreading through pipelines, storage tanks, ventilation systems, and industrial equipment that handle flammable gases or vapors. Commonly used in marine, oil and gas, chemical, and manufacturing industries, flame arrestors help prevent explosions and protect both personnel and equipment from catastrophic accidents. The device works by allowing gases or vapors to pass through a specially designed metal mesh or element while preventing a flame front from continuing to the protected side of the system. When an ignition source causes combustion on one side, the flame enters the flame arrestor and encounters the internal mesh structure. This element absorbs and dissipates heat rapidly, cooling the flame below the temperature required for combustion. As a result, the flame is extinguished before it can travel further into the system.
Understanding Wavelength and Frequency
Wavelength and frequency are two important terms used in wave motion, navigation systems, sound, light, and communication technology. These concepts are commonly studied in maritime education, especially in subjects related to physics, electronics, radar, and radio communication onboard ships. Wavelength refers to the distance between two identical points in a wave, such as crest to crest or trough to trough. It represents one complete cycle of the wave. In the illustration, the wavelength is shown as the horizontal distance covering one full wave pattern. Longer wavelengths usually mean the waves are spread farther apart, while shorter wavelengths indicate the waves are closer together. Frequency, on the other hand, refers to the number of wave cycles passing a certain point within one second. It is measured in Hertz (Hz). A wave with high frequency produces more cycles in a shorter period, while a low-frequency wave produces fewer cycles over the same time. Frequency and wavelength are closely connected because when frequency increases, wavelength usually decreases.
MAJOR CIRCLES OF THE EARTH IN MARITIME NAVIGATION
The Earth is divided into several major circles that play an important role in maritime navigation, geography, climate study, and global positioning,. These imaginary lines help seafarers identify locations, understand weather conditions, and navigate safely across different oceans and seas around the world. The Equator, located at 0° latitude, is the main reference line that divides the Earth into the Northern Hemisphere and Southern Hemisphere. Areas near the Equator experience warmer temperatures and are commonly known as the Torrid Zone. In maritime operations, vessels crossing this region often encounter tropical weather systems, heavy rainfall, and high humidity.
