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Last update: 10:00, 5 Jul 2026
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Safwa is a coastal town of ~80,000 in Qatif Governorate on Saudi Arabia's Persian Gulf shore, ~35 km north of Dammam. Like its neighbouring oasis towns Al Qatif and Saihat, Safwa sits at the edge of the Al-Ahsa artesian zone where groundwater saturation keeps the water table high year-round. Annual rainfall is ~80-100 mm, concentrated in December-January weak frontal episodes from the Persian Gulf — the same Eastern Province coastal pattern as Dammam and Al Khobar.
When rare Gulf convective cells arrive ashore, the flat coastal terrain and already-high water table create rapid ponding in low-lying agricultural and residential areas. Salt spray and fog from the Gulf persist November-February, more frequently than rain itself. Safwa's date palm oasis and fishing-based economy means weather monitoring matters most during the November-February coastal period and the July-October date harvest — though the harvest window is reliably dry.
RainViewer pulls radar data from regional meteorological networks, updated every 5 minutes.
Peak December (~2-3 rainy days). Weak Gulf frontal systems. Fog more common than rain.
Dry and hot — reliable window for harvest logistics.
Zero precipitation. Extreme Gulf heat and humidity.
Safwa's oasis zone contains date palms with artesian-fed irrigation. Rare January-February rain during flowering can disrupt pollination. Radar advance warning lets farm managers protect inflorescences before cells arrive.
Gulf fishermen from Safwa face winter swell and rare rain combined. Radar before departure helps captains assess whether cells will pass quickly or persist.
The highway connecting Safwa to Dammam experiences fog-plus-rain visibility events in December-February. A live radar distinguishes incoming rain cells from settled fog — the difference between driving carefully and not driving at all.
RainViewer aggregates radar data for Saudi Arabia from regional meteorological networks, updated every 5 minutes. Coverage focuses on the populated Hejaz corridor (Jeddah, Makkah, Madinah), the Najd plateau (Riyadh and central oasis cities), and the Eastern Province Gulf coast (Dammam, Al Khobar, Al Jubail). Coverage in remote interior desert and southern highlands varies.
Gulf cells track from the northeast toward the Saudi coast. If a cell appears on the radar 15-20 km offshore from Safwa, expect arrival within 15 minutes. Rain is rare enough that any active radar cell is significant.
Low-lying coastal and oasis areas can pond briefly during intense December-January events. The high groundwater table means soils saturate quickly. Avoid low-lying areas near oasis drainage channels during active rain.
April through October. November-January is peak probability (still low). The date harvest window July-October is reliably rain-free.
Safwa's high groundwater table means even small Gulf rain events cause coastal ponding — oasis farmers and fishermen need early warning.
Standard weather apps update once or twice a day. By then, the flash flood is either done or parked over your location — you've lost the decision window.
Your weather app shows 'possible coastal showers.' RainViewer shows the Gulf cell 18 km offshore tracking toward Safwa in 14 minutes.
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