Alright, surfers and beachgoers, let's dive into the surf forecast for the Mariana Islands brought to you by the National Weather Service in Tiyan, Guam.

Currently, we're looking at a moderate risk of rip currents along the north and east facing reefs, with a low risk on the south and west facing reefs. There's also a moderate risk of lightning expected through the end of the week. So, stay safe out there!

For tonight and Friday, here's what you can expect:
- North facing reefs: 3 to 5 feet
- East facing reefs: 4 to 6 feet
- South facing reefs: 1 to 3 feet
- West facing reefs: 2 to 4 feet

Primary swell coming from the east at 4 to 5 feet with a period of 8 seconds. Secondary swell from the northeast at around 2 feet and a period of 11 seconds. Water temperature at the Tanapag buoy is a toasty 86 degrees.

Moving into Friday night, the surf heights will be fairly consistent with the primary swell increasing slightly to 4 to 6 feet on the east facing reefs. Coastal winds will be coming from the east at around 10 mph.

Looking ahead, expect increasing winds and choppy conditions over the weekend as a disturbance crosses the area. Surf is likely to increase by another foot or two, impacting various reef facings.

And don't forget your tide information for the next 36 hours! Keep an eye out for those tide changes and be prepared.

Remember, a moderate risk of rip currents means wave conditions could support stronger currents. Always have a flotation device with you in the water. Stay safe and enjoy the waves, folks!

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