Kuwait's weather rarely gives a long warning. The shamal and the summer squall both tend to arrive faster than the forecast suggests, which is why the most useful skill on the water is not predicting the storm but recognising it early enough to be home before it.
These are the signs to watch, roughly in order, and the decision rule that goes with them.
Fair-weather cumulus is small, flat-bottomed and well spaced. The ones to watch grow tall within an hour, with hard cauliflower tops and dark, heavy bases. That fast vertical build is the air above you turning unstable.
When the top of a tall cloud flattens and spreads sideways like an anvil, the cell has matured. Hail, heavy rain and a hard gust front are now possible within a short distance. A solid dark line of cloud sitting low on the horizon and moving your way is the same message, delivered earlier.
A sudden change in wind direction is the sign most people feel first. The breeze goes light or stops altogether, then returns from a different quarter and builds quickly. With it usually comes a sharp drop in temperature and a cool, damp feel that was not in the air ten minutes earlier.
Pressure confirms it. If the barometer has been falling steadily for an hour, treat that as a warning rather than a reading. A jump in humidity, and a band of dust haze sitting low on the water, often arrive with the first gusts.
Sometimes the water warns you before the sky does. Long swell arriving under a clear horizon, chop running across the local wind, or whitecaps starting while the air still feels light all mean weather is already coming from somewhere else.
Watch the birds as well: seabirds tracking straight for land, or gulls sitting on the water instead of working the air, are worth noticing. Fish respond too, and a bite that dies suddenly or baitfish jumping with no predator in sight often comes an hour or so before the wind arrives.
Storms here are short and violent, so distance is your only protection. Decide where you turn around before you leave, and make the call on the forecast rather than on how the fishing is going.
Running home in the first ten minutes of a squall is an uncomfortable ride. Running home in the second half of it, in dust-reduced visibility, with a following sea and a tired crew, is a different category of problem. The gap between the two is your decision, and it closes quickly.
The B7R app (بحر) gives sea state for Shuwaikh and Shuaiba, tide times, a fish guide and seasons calendar, marine navigation tools and a one-tap SOS button, so the call to stay ashore rests on more than a glance at the sky.
Make the turnaround call a habit, not a judgement. Download the B7R app free on Google Play and check the sea state before every trip: https://play.google.com/store/apps/details?id=com.q8dm.b7r