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Navigational Facilities
Vessel Size

Between 6,000 to 60,000 DWT

LOA between 111 215 Meters
Beam any size
Location of Jetty

Latitude : 021 deg. 41.5 Min North

Longitude : 072 deg. 30.5 Min East
Hydrographic chart : Indian Chart No. 2039, 2044, 2082
B.A. Chart No. 1486. NP-38, West Coast of India.
Anchorage Point 1 Nautical Miles West of Jetty
Depth available at Jetty

16.0 Meter at Chart Datum

Jetty open to sea, having no channel restrictions
No dredging envisaged
Ship Arrival Condition Ship with Arrival Draft upto 14.5 Meters, in fully loaded condition, can be safely navigated upto the Jetty and can remain Berthed while unloading the cargo.
Navigational Facilities

Services of Pilot and powerful Tugs are provided for berthing / un-berthing at Jetty

Obstruction Lights provided on the two outer Mooring Dolphins and Breasting Dolphins
Deep natural depth of 16 M at Chart Datum, plus the advantage of large tidal variation.
Sea approach to Jetty

Through Grant Channel or Through Malacca Banks

Vessels of Draught in excess of 11 M should preferably transit through Grant Channel on Rising Tide.
Vessels of Draught up to 12 M (50,000 DWT) have transited through Grant Channel.
Ships with 60,000 DWT have transited through Malaca Banks.
Tide Variation at Jetty

High Water: 7.1 M to 10.2 M

Low Water: 0.7 M to 1.8 M
 


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OCEANOGRAPHIC DATA

Bathymetry
The area has a very wide (about 2 km) intertidal flat. The water depth in front of the jetty head is about 16 mtr below Chart Datum.

Waves
The predominant wave direction in the Gulf of Khambhat is South to South-West during the South-West monsoon period of June to September. Generally, wave heights do not exceed 1.5 mtrs.

Currents
The ocean currents at the jetty is mainly tide dominated. The current is  maximum at half tide. The predominant current direction is North-South. Currents in knots observed in the area are:

 

Half Tide

Turn of Tide

Near surface

Upto 6.5

0.28

Mid depth

Upto 3.0

0.13
Near bottom

Upto 1.8

0.12


Currents could be marginally higher during monsoon period. 

 

Tides

Tidal data giving elevation with respect to chart datum

HHWS

10.2m

MHWS

8.8m

MHWN 

7.1m

MEAN SEA LEVEL 

5.1m

MLWN

1.8m

MLWS 

0.9m

LLWS

0.7m

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CLIMATE AND WEATHER DATA

Climate
The climate of the region is tropical and is characterized by the annually recurring seasons of South West monsoon, post monsoon winter and summer.

Rainfall
The main rainy season relates to the South West monsoon, from middle of June to September, which contributes about 92% of the average annual rainfall of 1000mm. On an average, there are 45 days in a year with rainfall of at least 2.5mm, with July being the wettest month of the year.

Temperature
April and May are the hottest months of the year with a mean maximum temperature of about 40 °C. January is the coldest month with mean minimum temperature of about 13 °C.

Relative Humidity
The annual average relative humidity in the region during morning and evening is 71% and 42% respectively. During the monsoon period, the  relative humidity exceeds 75%.

Winds
The predominant wind direction is South-West and occurs during March to October. From November to February, the wind direction changes and the  predominant direction during this period is North-East.

Note : The information furnished here is for general guidance only.

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