Qatar

Best Time to Dive in Al Shaheen

26.10°N 52.05°E
Closed 7 months a year

Closed October to April. Divers come for the offshore whale shark aggregation over the Al Shaheen field. It runs all year, so pick your month on the sea and the sky: July to September.

Best time
Jul–Sep
Water
2134 °C
Visibility
1025 m
Dived from
liveaboard
Tidal range
0.81.4 m
Species logged
1

Where it is

Qatar
50 kmN

222 km across · coastline from Natural Earth 10m

Diving in Al Shaheen — monthly breakdown

Best months at this destination

A year of scuba diving conditions at a glance. Hover a month to isolate it.

Month by month conditions, water temperature, visibility and marine life
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
ConditionsPoorPoorPoorPoorPoorPoorModerateExcellentExcellentPoorPoorPoor
Water temp (°C)232122242830333434322925
Visibility (m)102010201020152515251020102015251020102010201020
Marine lifeClosedClosedClosedClosedQuietQuietQuietBusySteadyClosedClosedClosed
Best timePeakPeakPeak
Excellent Good Moderate PoorPeak season Jul–Sep

Long-term averages, 2016–2025. Visibility is estimated from satellite chlorophyll-a. Water temperature is the surface mean; it is cooler at depth.

The Al Shaheen diving season

3 seasons

July · Shoulder season

1 month
Water temperature
3333 °C
Visibility
1020 m
Rain
0 days a month

Diving conditionsIt rains less. The sea is calmer.

August to September · Peak season

2 months
Water temperature
3434 °C
Visibility
1525 m
Rain
0 days a month

Diving conditionsIt rains less. The sea is calmer.

October to June · Off season

9 months
Water temperature
2132 °C
Visibility
1020 m
Rain
2 days a month

Diving conditionsIt rains more. The sea is rougher.

  • Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
  • Visibility is estimated from satellite chlorophyll-a.

Al Shaheen water temperature and weather

11 underwater observation records · 3 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Al Shaheen water temperature by month

The dashed line is the monthly average. Eight days in ten fall inside the band.

20253035JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

Rarely
rough enough to cancel

Seas top 2.5 m on 1% of days. Enough to cancel a liveaboard crossing

4
blowy days a month

Gusts over 40 km/h, about where a day boat stays in port

1
wet days a month

0 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January1.9 m22%3021 °C10.5 h
February2.3 m23%3121 °C11.1 h
March2.1 m18%2022 °C11.8 h
April1.5 m11%1025 °C12.6 h
May2.0 m14%0029 °C13.3 h
June1.8 m22%0033 °C13.6 h
July1.5 m6%0034 °C13.5 h
August1.0 m1%0035 °C12.9 h
September1.4 m2%0034 °C12.1 h
October1.5 m6%0031 °C11.4 h
November1.6 m6%2128 °C10.7 h
December1.8 m10%3124 °C10.4 h

Swell is the rough end of the month: nine days in ten come in under it. Sea temperature covers 10 years, waves 4.

Pick your week

48 weeks from the daily record. Darker is better, against this site's own year. Pick a month for the detail.

Conditions by week, four weeks per month
Week 1January week 1: PoorFebruary week 1: PoorMarch week 1: PoorApril week 1: PoorMay week 1: PoorJune week 1: PoorJuly week 1: PoorAugust week 1: GoodSeptember week 1: ExcellentOctober week 1: PoorNovember week 1: PoorDecember week 1: Poor
Week 2January week 2: PoorFebruary week 2: PoorMarch week 2: PoorApril week 2: PoorMay week 2: PoorJune week 2: PoorJuly week 2: ModerateAugust week 2: ExcellentSeptember week 2: ExcellentOctober week 2: PoorNovember week 2: PoorDecember week 2: Poor
Week 3January week 3: PoorFebruary week 3: PoorMarch week 3: PoorApril week 3: PoorMay week 3: PoorJune week 3: PoorJuly week 3: GoodAugust week 3: ExcellentSeptember week 3: GoodOctober week 3: PoorNovember week 3: PoorDecember week 3: Poor
Week 4January week 4: PoorFebruary week 4: PoorMarch week 4: PoorApril week 4: PoorMay week 4: PoorJune week 4: ModerateJuly week 4: GoodAugust week 4: ExcellentSeptember week 4: GoodOctober week 4: PoorNovember week 4: PoorDecember week 4: Poor
Excellent Good Moderate PoorBest week to go: first of September

September, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Excellent34 °C1.0 m17 km/h1%
Week 2Excellent34 °C1.0 m18 km/h0%
Week 3Good33 °C1.5 m19 km/h0%
Week 4Good33 °C1.6 m20 km/h0%

10 years of daily records, averaged into weeks.

Gear & storms

What to wear

Off the coldest water of each month, not the average — that is what the suit has to cope with.

Wetsuit thickness by month
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
SuitJanuary: 5 mmFebruary: 5 mm +March: 5 mm +April: 5 mmMay: 3 mmJune: skinJuly: skinAugust: skinSeptember: skinOctober: skinNovember: skinDecember: 5 mm
  • Dec–Jan5 mm full suit
  • Feb–Mar5 mm with hood and gloves
  • Apr5 mm full suit
  • May3 mm full suit
  • Jun–Novskin or 3 mm shorty

Swell through the year

The rough end of each month — nine days in ten come in under it.

JanJanuary: 1.9 metresFebFebruary: 2.3 metresMarMarch: 2.1 metresAprApril: 1.5 metresMayMay: 2.0 metresJunJune: 1.8 metresJulJuly: 1.5 metresAugAugust: 1.0 metresSepSeptember: 1.4 metresOctOctober: 1.5 metresNovNovember: 1.6 metresDecDecember: 1.8 metres

Amber is over 2.5 m.

Tides

springs 1.6 mneaps 0.8 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

No tropical storm has come within 250 km in 30 years of records. Swell and wind set the season, not cyclones.

  • NOAASea surface temperature, from OISST and MUR
  • ERA5Wind, waves, rain and air temperature, via Open-Meteo
  • OBISMarine species records within 60 km
  • IBTrACSTropical cyclone tracks, 1996 to 2025

Al Shaheen marine life — what you'll see diving

11 records within 60 km

Only 11 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Green turtleAugNear-guaranteed
2/3
10
Peak Present
Observed window
Months with records. Peak is where most of them fall.
Reliability
  • Near-guaranteed in 60% of surveyed years or more
  • Likely 30% to 60%
  • Hit-or-miss under 30%
Evidence
Years it was seen, out of the years anyone surveyed.
Records
OBIS sightings within 60 km.

These are sightings people logged, not a full survey of the reef. A species missing from a month may just mean nobody recorded one.

Diving Al Shaheen — common questions

When is the best time to dive Al Shaheen?
Closed October to April. Divers come for the offshore whale shark aggregation over the Al Shaheen field. It runs all year, so pick your month on the sea and the sky: July to September.
When is the diving season in Al Shaheen?
The diving season in Al Shaheen runs July to September.
Is the diving in Al Shaheen good for beginners?
Yes. It is known as a snorkelling site as much as a dive site, so no experience is needed to get in the water.
How warm is the water in Al Shaheen?
Between 21 and 34 °C at the surface across the year, coldest in February and warmest in August. It runs cooler below the thermocline.
What wetsuit do I need in Al Shaheen?
A 5 mm with hood and gloves covers the coldest water of the year. In the warmest months a skin or 3 mm shorty is enough.
What is the visibility like in Al Shaheen?
Roughly 10 to 25 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Al Shaheen?
The most consistently recorded species are Green turtle (near-guaranteed), from 11 records within 60 km.
Does Al Shaheen get tropical storms?
No. None has passed within 250 km in 30 years of records.
Is there current in Al Shaheen?
The tide rises and falls 1.4 m around the full and new moon, against 0.8 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Al Shaheen?
The site is closed Oct–Apr. October–June are the weakest months for conditions.
How do you dive Al Shaheen?
Mostly from liveaboards. Trips run through the season, Jul–Sep.