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Why Is The Water So "cold" In Eilat, Israel?  
User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Posted (7 years 10 months 4 weeks 1 day 19 hours ago) and read 8895 times:

Eilat is Israel's southernmost city (located at 29.55° N 34.95° E), in the Southern District of Israel. Adjacent to the Egyptian city of Taba and Jordanian port city of Aqaba, Eilat is located at the northern tip of the Gulf of Aqaba, which is the eastern sleeve of the Red Sea.Eilat's weather is very hot and dry due to its proximity to the Negev, Sinai, Arabian and Sahara deserts.The average max temperatures vary from 71°F/21°C in January to 104°F/40°C in August.There is less than 20 mm of precipitation per year
What I don't understand is why the water the temperature of the sea is so cold in Summer...
Does someine have an explanation?


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28 replies: All unread, showing first 25:
 
User currently offlineN1120A From United States of America, joined Dec 2003, 26626 posts, RR: 75
Reply 1, posted (7 years 10 months 4 weeks 1 day 19 hours ago) and read 8891 times:

Well, the same can be said of the Pacific off the coast of Southern California. Probably a tidal thing.


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User currently offlineME AVN FAN From Switzerland, joined May 2002, 13920 posts, RR: 25
Reply 2, posted (7 years 10 months 4 weeks 1 day 18 hours ago) and read 8874 times:

Quoting LY777 (Thread starter):
the water the temperature of the sea is so cold in Summer...

I have been, admittedly quite some years ago, in Aqaba in late August and found that the water was warmer then in the Mediterranean at the same time, and MUCH warmer than the Lake of Zurich.  scratchchin  smile 


User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Reply 3, posted (7 years 10 months 4 weeks 1 day 18 hours ago) and read 8852 times:

Quoting ME AVN FAN (Reply 2):
I have been, admittedly quite some years ago, in Aqaba in late August and found that the water was warmer then in the Mediterranean at the same time, and MUCH warmer than the Lake of Zurich.

really?I find it so cold compared to the Eastern Med (in Tel Aviv)

Quoting N1120A (Reply 1):
Well, the same can be said of the Pacific off the coast of Southern California

yes, but the red sea is a "closed sea"



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User currently offlineME AVN FAN From Switzerland, joined May 2002, 13920 posts, RR: 25
Reply 4, posted (7 years 10 months 4 weeks 1 day 17 hours ago) and read 8837 times:

Quoting LY777 (Reply 3):
I have been, admittedly quite some years ago, in Aqaba in late August and found that the water was warmer then in the Mediterranean at the same time, and MUCH warmer than the Lake of Zurich.
--
really?I

-
sure, even if I am NOT a swimming thermometer. It in Dubai of course is warmer, very much warmer. It is such there that you may feel tempted to take some rubber-ducks with you !
-


User currently offlineSv2008 From United Kingdom, joined Aug 2006, 622 posts, RR: 0
Reply 5, posted (7 years 10 months 4 weeks 1 day 16 hours ago) and read 8816 times:

Interested in going diving there one day, although it can't be much colder than the med.

User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Reply 6, posted (7 years 10 months 4 weeks 1 day 16 hours ago) and read 8801 times:

Quoting Sv2008 (Reply 5):
Interested in going diving there one day, although it can't be much colder than the med.

Do you mean the Western Med?



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User currently offlineSv2008 From United Kingdom, joined Aug 2006, 622 posts, RR: 0
Reply 7, posted (7 years 10 months 4 weeks 1 day 15 hours ago) and read 8776 times:

Yes, it was pretty cold when I went in october.

User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Reply 8, posted (7 years 10 months 4 weeks 1 day 13 hours ago) and read 8748 times:

Oh yes, you are absolutely right.In South Spain near Malaga, it is really cold even in Summer


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User currently offlineSv2008 From United Kingdom, joined Aug 2006, 622 posts, RR: 0
Reply 9, posted (7 years 10 months 4 weeks 1 day 13 hours ago) and read 8738 times:

I was in Murcia, but not far away.

It was cold on the surface, never mind at 20m even though I had 110/200 Bar left (over half my supply) I was ready to surface after 30mins because I was very cold (We had to surface because another diver was down to 40 already).

And we had thick full length wet suits on. 1m there makes the difference between swimming in warm and freezing cold water, with severe thermoclines.

The only other place I dived (Thailand) the temperature change was gradual and minimal.


User currently offlineCaptainJon From , joined Dec 1969, posts, RR:
Reply 10, posted (7 years 10 months 4 weeks 1 day 12 hours ago) and read 8713 times:

Good question! Tides as someone said it probably true, but remember it is also 40+ air temperature so it is rather relative. The Mediterranean seems warmer (though I don't know if temperature wise it is actually warmer) because it is cooler (and more humid) in the north.

User currently offlineBCNGRO From Andorra, joined exactly 10 years ago today! , 584 posts, RR: 2
Reply 11, posted (7 years 10 months 4 weeks 1 day 11 hours ago) and read 8693 times:

This is a map of today's sea water temperature in Europe. I don't think water in the Mediterranean sea is much different to that from other areas at the same latitude. And this stays the same in summer too.

Geographic temperature anomalies are usually caused by currents (such as the Gulf current which brings warm water to northwest Europe or the Labrador current which makes cold water flow from the Labrador Peninsula down to the US northeast). The Mediterranean sea, however, is not known to be under the influence of any important current and so its water is at a normal temperature for its latitude (it just tends too cool down a little faster in winter and warm up a bit faster in summer as its smaller than oceans).

http://www.wetterzentrale.de/pics/Reursst.gif



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User currently offlineNAV20 From Australia, joined Nov 2003, 9909 posts, RR: 36
Reply 12, posted (7 years 10 months 4 weeks 1 day 10 hours ago) and read 8678 times:

Quoting LY777 (Reply 3):
yes, but the red sea is a "closed sea"

No - it's open to the Gulf of Aden and the Indian Ocean. Why else are there all those locks in the Suez Canal?  Smile

My guess would be that the water temperature could vary a lot depending on the state of the tide.and currents.



"Once you have flown, you will walk the earth with your eyes turned skywards.." - Leonardo da Vinci
User currently offlineRichPhitzwell From , joined Dec 1969, posts, RR:
Reply 13, posted (7 years 10 months 4 weeks 1 day 7 hours ago) and read 8644 times:

Hope this helps:

http://en.wikipedia.org/wiki/Ocean_currents


User currently offlineME AVN FAN From Switzerland, joined May 2002, 13920 posts, RR: 25
Reply 14, posted (7 years 10 months 4 weeks 1 day 6 hours ago) and read 8631 times:

Quoting RichPhitzwell (Reply 13):
Hope this helps:

plus THIS here :
-
Aqaba's climate makes it a refreshing location for year-round diving. The water temperature averages 22.5°C (72.5°F) in winter and 26°C (78.8°F) in summer.
-
source: http://www.atlastours.net/jordan/scuba_diving.html


User currently offlineMIAMIx707 From , joined Dec 1969, posts, RR:
Reply 15, posted (7 years 10 months 4 weeks 1 day 5 hours ago) and read 8611 times:

Quoting LY777 (Reply 3):
really?I find it so cold compared to the Eastern Med (in Tel Aviv)

it shouldn't be. What happens is that if you are outside in 100F temps and take a dip in 80deg F water it will feel COLD. However once you're in the water and start swimming it shoudlnt feel cold anymore.

I was in Palm Beach this past weekend and the surf was 77F according to the information the lifeguard had written on a public board. Everyone seemed to be afraid to get in but I decided I wanted to snorkel a bit.. and yes it was a little cold initially but once in, the temperature felt perfect (I hate cold water).

The central Florida coast is about at the same latitude as Eilat but the water gets a lot warmer during the summer (reaching the low 90's)

Quoting ME AVN FAN (Reply 14):
The water temperature averages 22.5°C (72.5°F) in winter and 26°C (78.8°F) in summer.

That's not a lot different than Hawaii for example, where the water is not as warm as the Caribbean areas that lie at the same latitude. In Hawaii it has to do with the ocean currents. Same thing with the Galapagos, right in the Equator but the water is chilly because of a cold current coming from the south.

For some reason the Red Sea has cooler temperatures than other tropical seas at the same latitudes, maybe it's the depth? Can't be because of the ocean currents since it's enclosed.


User currently offlineME AVN FAN From Switzerland, joined May 2002, 13920 posts, RR: 25
Reply 16, posted (7 years 10 months 4 weeks 1 day 5 hours ago) and read 8607 times:

Quoting MIAMIx707 (Reply 15):
a little cold initially but once in, the temperature felt perfect (I hate cold water).

you see, in Zurich, people start swimming in the lake (real swimming of hundreds of meters, not just wetting the feet) when water temperatures exceed 18 degrees centigrade. And when it is as high as 24 degrees, some find it rather too warm . I like it if it is above 25 degrees .
-


User currently offlineStrasserB From Singapore, joined Nov 2005, 1541 posts, RR: 7
Reply 17, posted (7 years 10 months 4 weeks 23 hours ago) and read 8586 times:

This report explains all what you never wanted to know about the water temperature at Eilat:
http://isramar.ocean.org.il/Report1.pdf
 boggled   crazy 



Still, even in the most arid desert is an airport somewhere ...
User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Reply 18, posted (7 years 10 months 3 weeks 6 days 16 hours ago) and read 8535 times:

does someone know the quantity of precipitation of Eilat: I have heard 20 mm but some say more, some say less...


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User currently offlineTurkishWings From United States of America, joined May 2006, 1450 posts, RR: 8
Reply 19, posted (7 years 10 months 3 weeks 6 days 3 hours ago) and read 8479 times:

I was in Aqaba last year in late October and the water temperature was perfectly normal. I didn't have any difficulty in swimming whatsoever....

Quoting ME AVN FAN (Reply 16):
you see, in Zurich, people start swimming in the lake (real swimming of hundreds of meters, not just wetting the feet) when water temperatures exceed 18 degrees centigrade. And when it is as high as 24 degrees, some find it rather too warm . I like it if it is above 25 degrees .

I am sure you remember the incredible August 3 summer ago  Smile (I think it was 3 summers ago). It was hotter than any place I know of.... Temperatures exceeding 40 C. We went to Vierwaldstattersee to refresh ourselves but it was more of a torture.... And there were warnings as to not to swim in the lakes due to high level of bacteria produced by heat.... What a summer it was....



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User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Reply 20, posted (7 years 10 months 3 weeks 6 days ago) and read 8455 times:

What about the Dead Sea?
In summer, the water temperature must be 98°F/37°C!!!



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User currently offlineME AVN FAN From Switzerland, joined May 2002, 13920 posts, RR: 25
Reply 21, posted (7 years 10 months 3 weeks 5 days 21 hours ago) and read 8447 times:

Quoting TurkishWings (Reply 19):
r the incredible August 3 summer ago Smile (I think it was 3 summers ago). It was hotter than any place I know of.... Temperatures exceeding 40 C. We went to Vierwaldstattersee to refresh ourselves but it was more of a torture.... And there were warnings as to not to swim in the lakes due to high level of bacteria produced by heat.... What a summer it was....

It was a tremendous summer, in 03 ! And never mind, Swiss scientists always warn about bacteria in the water or in the air (it is either too hot or too cold, too dry or too humid), about too much sun or insufficient, about too much orange juice or the contrary.


User currently offlineMIAMIx707 From , joined Dec 1969, posts, RR:
Reply 22, posted (7 years 10 months 3 weeks 4 days 7 hours ago) and read 8391 times:

too much orange juice bad? what does it do?

Actually ME AVN, i heard that if you're going to be in the sun and take enough vitamin C (which orange juice has) it won't damage your skin. I woudln't risk it though.

Isn't there a weak EL Nino this year? The Eastern Pacific have gotten a much more active than normal hurricane season (warmer water).

I have to say I quickly read all that about why the water in Eilat is cool. They mention thermoclines and other things but being that place is basically closed and narrow, it still doesn't make sense to me.


User currently offlineME AVN FAN From Switzerland, joined May 2002, 13920 posts, RR: 25
Reply 23, posted (7 years 10 months 3 weeks 4 days 3 hours ago) and read 8375 times:

Quoting MIAMIx707 (Reply 22):
too much orange juice bad? what does it do?

too much can indeed cause an orange-allergia resulting in serious skin-conditions
-
anyway, the summer 03 was excellent in Central Europe, where average people do not care much about el-Nino, while the scientists are all out for such stories.


User currently offlineLY777 From France, joined Nov 2005, 2706 posts, RR: 2
Reply 24, posted (7 years 10 months 3 weeks 3 days 16 hours ago) and read 8350 times:

2003 was really horrible in Paris, too.
By the way, on July 31th and August 1st 2002, the temperature reached 48.8°C in Eilat!!!



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25 Post contains images SFOMEX : Don't trouble yourself about it! Come to Cancun where the water is always right. I'm going to CUN next weekend and I'm sure I will find a warm and nic
26 Post contains images MIAMIx707 : Actually I heard in February the water isn't always so warm, my brother went there one spring break and found the water cold, of course he was expect
27 ME AVN FAN : - I have been swimming in the Dead Sea once. Interesting and nice to be "avove the water" except that it was difficult to get the feet into the water
28 LY777 : I swam in the Dead Sea last April.It was really great, the water was not too hot, something like 93°F
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