


Routine Space Environment Product Issued Weekly
Issued by NWS
Issued by NWS
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303 FXXX02 KWNP 040156 WEKFOR :Product: 27-day Space Weather Forecast :Issued: 2025 Aug 04 0137 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # 27-day Space Weather Forecast # Forecast of Solar and Geomagnetic Activity 04 August - 30 August 2025 Solar activity is expected to be at mostly low levels with a chance for M-class (R1-R2, Minor-Moderate) flares for the outlook period. No proton events are expected at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at high levels on 12-18 Aug and 21-28 Aug all due to recurrent CH HSS influences. Normal to moderate levels are expected on 04-11 Aug, 18-19 Aug and 39-30 Aug. Geomagnetic field activity is expected to be at active to G1 (Minor) storm levels on11-15 Aug, 18-22 Aug and 25-30 Aug due to recurrent CH HSS effects. Quiet to unsettled levels are expected on the remaining days of the outlook period.