Download Jadual Air Pasang Surut Digital (e-Tide) dari Pusat Hidrografi Nasional Malaysia
Download Jadual Air Pasang Surut: A Guide to Tide Tables in Malaysia
If you are planning to visit the coast of Malaysia, whether for fishing, boating, hiking, camping, beachcombing, or any other activity, you need to know how to download jadual air pasang surut, or tide tables. Tide tables are a collection of data that shows the daily times and levels of high and low tides for a specific location. They are essential for safe navigation and coastal recreation, as well as for understanding the marine environment and its changes.
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What are tide tables and why are they important?
Tides are the periodic rise and fall of sea levels caused by the gravitational attraction of the moon and the sun, as well as the rotation of the earth. Tides vary depending on the day and location, and can have significant effects on the depth, current, and shape of the coastline. Tides can also influence the behavior and distribution of marine life, such as fish, crabs, and seaweeds.
Tide tables are a way of predicting the height and time of tides for a given place and date. They are based on observations and calculations made by tidal stations, which measure the water level at regular intervals using sensors or gauges. Tide tables can help you plan your activities according to the best or safest conditions, such as when the water is high enough to enter a harbor or low enough to expose a rocky shore.
How tide tables work and what they show
How tide tables work and what they show
Tide tables usually show four columns of data: time, high tide, low tide, and height. The time column indicates the local time of day when a high or low tide occurs. The high tide column shows the times when the water reaches its highest level, while the low tide column shows the times when the water reaches its lowest level. The height column shows how high or low the water level is above or below a reference point called chart datum, which is an average of low tide heights.
For example, a tide table for Pulau Langkawi on June 18, 2023 shows the following data:
TimeHigh TideLow TideHeight
00:02X240 cm
05:50X66 cm
16:45X216 cm
18:35X50 cm
This means that on that day, there will be two high tides and two low tides in Pulau Langkawi. The first high tide will occur at 00:02 (12:02 a.m.) and will be 240 cm above chart datum. The first low tide will occur at 05:50 (5:50 a.m.) and will be 66 cm above chart datum. The second high tide will occur at 16:45 (4:45 p.m.) and will be 216 cm above chart datum. The second low tide will occur at 18:35 (6:35 p.m.) and will be 50 cm above chart datum.
Download jadual air pasang surut Malaysia digital (e-TIDE) dari Pusat Hidrografi Nasional
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How to find and read tide tables for Malaysia
Sources of tide tables for Malaysia
<p Tips and precautions for using tide tables
While tide tables are very useful for planning your coastal activities, they are not perfect and should be used with caution. Here are some tips and precautions to keep in mind when using tide tables:
Tide tables are predictions, not guarantees. They are based on average conditions and may not account for local factors such as wind, storms, currents, or geographic features that can affect the actual tide levels and times. Always check the latest weather and marine forecasts before heading out to the coast.
Tide tables are location-specific. Do not use a tide table for one place to estimate the tides for another place, even if they are nearby. The tides can vary significantly from one location to another due to differences in coastline shape, depth, and orientation. Always use a tide table for the exact location you are interested in.
Tide tables are time-specific. Do not use a tide table for one date to estimate the tides for another date, even if they are close. The tides change every day due to the changing positions of the moon and the sun relative to the earth. Always use a tide table for the exact date you are interested in.
Tide tables are zone-specific. Do not use a tide table for one time zone to estimate the tides for another time zone, even if they are in the same state or country. The tides are based on local time, which can vary depending on daylight saving time or geographic boundaries. Always use a tide table for the exact time zone you are in.
Tide tables do not show currents. Do not assume that the water is still or moving slowly based on the tide table. The tide table only shows the vertical movement of the water level, not the horizontal movement of the water flow. Currents can be strong and dangerous, especially near narrow passages, bridges, or inlets. Always check the current predictions or observations for your location before entering the water.
Benefits of tide tables for various activities and purposes
Tide tables can help you enjoy and appreciate the coast in many ways, depending on your interests and goals. Here are some examples of how tide tables can benefit different activities and purposes:
Fishing and boating
If you love fishing or boating, tide tables can help you find the best times and places to catch fish or navigate safely. For example, you can use tide tables to:
Determine when the water is deep enough to launch or dock your boat, kayak, or canoe.
Avoid shallow areas or submerged hazards that could damage your vessel or cause you to run aground.
Choose fishing spots that have favorable water depth, current, and marine life activity.
Time your fishing trips according to the feeding habits of your target species, which may depend on the tide cycle.
Plan your routes and schedules according to the tidal currents, which can affect your speed and direction.
Coastal hiking and camping
If you enjoy coastal hiking or camping, tide tables can help you explore the shoreline and find scenic spots to pitch your tent. For example, you can use tide tables to:
Identify when low tide occurs, which can expose more beach area and allow you to walk along the water's edge.
Avoid getting trapped by a rising tide, which can cut off your access to certain areas or force you to swim or climb over rocks.
Select camping sites that are above the high tide line, which can prevent your tent and gear from getting flooded or washed away.
Observe wildlife that may be more active or visible during certain tides, such as birds, seals, or whales.
Beachcombing and tide pooling
If you are interested in beachcombing and tide pooling, tide tables can help you discover the treasures and wonders of the intertidal zone. For example, you can use tide tables to:
Find out when the lowest tides occur, which can reveal the most diverse and abundant marine life in the tide pools.
Locate the best tide pool areas, which are usually rocky shores with crevices, pools, and ledges.
Collect shells, stones, driftwood, or other beach items that may be washed up by the waves or uncovered by the tides.
Learn about the adaptations and behaviors of the tide pool organisms, such as sea stars, anemones, crabs, and snails.
Coastal construction and engineering
If you are involved in coastal construction and engineering, tide tables can help you design and execute your projects with effi