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Ribbed Ripple crochet pattern

This is the stitch pattern for my Turtle Beach blanket! The Turtle Beach instructions, together with my Ribbed Ripple stitch pattern and lots of bonus content, are now available as a printable Donationware pattern. The basic information is available for free, but if you like them please consider sending me a donation to show your appreciation:

ribbed ripple turtle beach crochet pattern

Send me a donation and receive the easy-to-print PDF version of this stitch pattern and the Turtle Beach square pattern, and lots of bonuses (including puffy 3D seafoam instructions, edging instructions, and a complete Turtle Beach blanket pattern) as a thank you!

Donations of any size are much appreciated. Just add the amount you wish to donate, and, once you have checked out and paid, your pattern will instantly be available to download from your PlanetJune account.

The complete pattern and instructions for the Ribbed Ripple stitch are available below, regardless of whether or not you choose to pay for them 🙂

This is a PlanetJune original crochet pattern. Feel free to use items made from this pattern however you wish, but I’d appreciate credit as the pattern designer. Please do not reproduce the pattern anywhere else; instead post a link to

Not ready to make it yet? Add it to your Ravelry queue:

Ribbed Ripple Stitch Pattern

ribbed ripple crochet pattern by planetjune

The gentle waves of this ripple are highlighted by the ribs at the edge of each 2-row stripe. You can use this stitch pattern to make a Wavy Stripes scarf or blanket, or a Turtle Beach square or blanket of any size you wish. (Click here for further Turtle Beach instructions.)

This is a generic pattern, so you can make it any width you like. N is the number of repeats, not including the half repeat at each edge. So in the stitch diagram below, N=1 and the ripple has 2 complete zig-zags. (For my 10” sample Turtle Beach square, I used N=2, so I had 3 zig-zags.)

Make the wave pattern more prominent by changing colour after every 2 rows, keep the stitch pattern more subtle by working it all in one colour, or make a beach and sea scene by using the Turtle Beach colourways.


ch chain
dc double crochet (treble crochet for UK/Aus)
dc2tog double crochet decrease (treble crochet decrease for UK/Aus)
st stitch


Ch 12xN + 15.

Row 1: dc in 4th ch from hook (unworked chains count as dc), dc in next 3 ch, dc2tog twice, (dc in next 3 ch, 2 dc in next 2 ch, dc in next 3 ch, dc2tog twice) N times, dc in next 3 ch, 2 dc in last ch.

Row 2: all stitches are worked in back loops only: ch 3 (counts as dc), turn, dc in same st, dc in next 3 st, dc2tog twice, (dc in next 3 st, 2 dc in next 2 st, dc in next 3 st, dc2tog twice) N times, dc in next 3 st, 2 dc in last st.

Repeat Row 2 until your piece is as long as you want.

Changing colour: Change colour after any multiple of two rows, so there will always be a rib on the right side of the blanket at the colour change. Always change colour in the last loop of the last stitch of the previous row.

Stitch Diagram

ribbed ripple crochet stitch diagram by planetjune


Weave in all the yarn ends, weaving each end through stitches of the same colour so they won’t be visible between the stitches.

To finish your work beautifully and help it lie flat, pin the finished piece into shape and steam block.

ribbed ripple crochet pattern by planetjune

ribbed ripple turtle beach crochet pattern

I hope you enjoy this pattern. Please leave me a comment below if you do, and consider leaving me a donation.

(If you do, you’ll receive the easy-to-print PDF version of these instructions and the Turtle Beach square pattern, and lots of bonus content including puffy seafoam instructions, edging instructions, and a complete Turtle Beach blanket pattern.)


More PlanetJune Accessories patterns

If you’ve enjoyed this post, you might also like my PlanetJune Accessories crochet patterns: they all include stitch diagrams and clear written explanations so you can easily crochet elegant wearable accessories for yourself and to give as beautiful gifts. Here’s a taster of the range:

PlanetJune Accessories crochet patterns


  1. Ann Baggao said

    Hi June

    I was just wondering, if at anytime you can make a donation for this pattern.
    Still available to download after donation?

    • June said

      Hi Ann, yes! Once you’ve donated, your pattern will be permanently stored in your PlanetJune account, and you can re-download the PDF (and access any future updates) whenever you want.

  2. Uncle Dwight said

    I LOVE this pattern, BUT I think there is a mistake. The first chain should have 2 slip-stiches and the double-stich should be anchored in the third loop, not the fourth. If I follow the pattern as written, I come up with one stich short and I have to open the slip knot to make the final stiches. Am I doing something wrong?

    • June said

      Hi Dwight, I’m afraid you must have miscounted somewhere – I can promise you there’s no mistake in the pattern. The first 3 chains count as the first dc stitch, so it’s important to leave them alone. Maybe look at the stitch diagram and count along to see where you’re going wrong. I’d advise you make a small sample piece (just ch 27) and try at least a few rows to make sure you’re comfortable with the stitch pattern before trying a larger blanket.

    • Laura Herstein said

      very interesting pattern. it seems to work well. will. be making nore kf these afghans

  3. Ingrid said

    I want to make this blanket in a 3 foot by 4 foot size in honey,white, blue and darker blue sections using red heart soft and an h hook. Can you tell me how many skeins to use in each color? Thank you!

    • June said

      No problem! The complete instructions for a 3x4ft blanket, including approximate yardage, starting chain length and number of rows for each colour, are included in the PDF version of the turtle beach pattern, available for any size donation from 🙂

  4. Jeanne said

    I love this pattern.

  5. jane SMITH said

    Hi there!
    My daughter loves this beach afghan and would like me to crochet one for her. However, I

    • June said

      Hi Jane! The PDF does explain exactly how to calculate the starting chain length (and number of rows) for any size of blanket, using any yarn and gauge, but all my pattern licences also include pattern support from me by email. So, once you make your donation, you can email me with all your requirements and I’ll be happy to do any calculations for you – and also to answer any other questions you may have about the pattern 🙂

  6. Elizabeth Murray said

    Hi! Thanks so much for this pattern, I’m planning on making a beachy blanket for my future mother-in-law as she’s a real beach bum come summertime, I think she’ll absolutely adore this.

    One question, though: When switching colors, it’s intended that there is a rib between the old color and the new to really get the wavy effect, right? But if you go into the next color doing back loops, won’t there not be a rib? Or do you start from the opposite side?

    Sorry to badger, I’m just so eager to start hooking!

    • June said

      Yes, the ribs alternate between the front and back of the blanket with each row, but I designed this pattern so there’s always a multiple of 2 rows of each colour, so the ribs between colour changes will always be located on the right side of the blanket 🙂

  7. Jessica said

    This looks so cute. I can’t wait to try it.

  8. CeLisa Oliver said

    I just got an order for a turtles on the beach blanket and was thrilled to find yours on Pinterest! I’ll be making the donation for the pdf of the pattern and purchasing the turtles pattern as well. They look awesome.

  9. Vickie Hall said

    Hey!! This looks like a great pattern and I’m excited to start it! I’m having a problem though. I understand the 12xN + 15, and for the width I want I need 12 repeats. So, I would need to chain 144 + 15 = 159, but when I do the first row I get all 12 repeats finished with the exception of one chain for the final dc2tog, the dc in next 3 ch, and 2 dc in last ch. I’m 5 chains short. I double counted my chains and I have the correct number and I took out the first row and did it again in case I made a mistake but I still come up 5 chains short. Can you please help me figure out what I’m doing wrong? Thanks!

    • June said

      Vickie, your numbers are correct for the starting chain, so it sounds like you’ve probably misunderstood something in the pattern. The pattern has two increases at the top of each ripple, and two decreases at the bottom of each ripple. Sometimes people accidentally skip the second inc or dec, which throws everything off.

      I’d recommend you start by making a small sample piece – even just the size of the stitch diagram would be enough. (My pink and grey sample is that size, and you can tell the stitch pattern is working properly and you don’t end up with any ‘spare’ chains, even with a piece that small.)

      If you still have problems after that, send me a clear, close-up photo of your small sample (so I can clearly see all your stitches), and I’ll take a look and see where you’re going wrong!

      By the way, you may have made another mistake too – the “+15” in the starting chain will give you another repeat in the finished blanket, so if you calculated that you need 12 repeats in total to give you your desired width, you actually need (12×11)+15 = 147 for your starting chain. (The PDF version gives a full worked calculation in the appendix, if you want to choose a specific blanket size.)

      • Emily said


        • Emily said

          Never mind…I got it this time!

  10. Tammy J Kopy said

    I am confused. If you could help please. I do understand the N. But how large would you go for a crib size blanket?

    • June said

      Tammy, you can Google for common sizes for a specific type of blanket, or here

  11. Jane Abbott said

    I love this this sea turtle blanket. I would be happy to send you a donation in the mail by check for the pattern and turtles, etc. Can you provide a mailing address for me to do this?

    • June said

      Jane, please see my available payment options in my FAQ. (Also, please note that my Baby Sea Turtles pattern is available separately, for a fixed price – your donation is only for the blanket pattern, not the turtles too!)

  12. Jennifer said

    Hi what gauge needle would you recommend?

    • June said

      Jennifer, you can use this stitch pattern with any yarn weight and an appropriate hook size for the yarn you’re using. The yarn and hook I used for my Turtle Beach samples is given on the Turtle Beach pattern page, and there’s gauge advice there too about how to choose a suitable hook size for your yarn.

  13. Denise Wagner said

    Hi June. I’m looking at the sea turtle blanket ant was looking over your pattern prior to buying it and I can not understand what the N means. 12xN +15. I just can’t make since out of that. Can you help. Is there a video ? I want to make this but I don’t want to pay for something I don’t understand.
    Thanks for your time. Looking forward to hearing from you
    Denise wagner

    • June said

      Denise, as it says in the explanation, N is the number of repeats, so “12xN + 15” means “any multiple of 12, plus 15”. The number of repeats you’ll need depends on how large you’d like to make your blanket, and your gauge (which depends on the yarn and hook you choose, and how tightly you crochet).

      If you’d like my complete pattern for exactly how to make a 36″x48″ (3ft x 4 ft) blanket (with no mention of N!), that’s included in the PDF version, available for any size donation 🙂

      • Denise Wagner said

        I don’t know why I can’t wrap my head around this. Geeeezzz i can not get it.

        • June said

          If it’s just the ‘N’ that’s bothering you, I highly recommend you pick up the PDF version – the full blanket instructions include the exact number of starting chains to make the 36×48 inch blanket (and the exact number of rows to make each version of the blanket), so everything is written out in full for you 🙂

          If you’re having other difficulties with making the ripple pattern work, feel free to send me an email ( with a photo of your work so far, and I’ll help you figure out what’s going wrong!

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