Friday Harbor Tide Times & Tide Chart
High and low tide predictions for Friday Harbor, Pacific Northwest (NOAA station 9449880). Heights are in feet relative to Mean Lower Low Water (MLLW) — negative values are minus tides, the best for tidepooling.
Plan a visit — find your tide window →Upcoming tides
Sunday, September 27
| 6:17 AM | High tide | 6.48 ft |
| 11:35 AM | Low tide | 3.04 ft |
| 5:45 PM | High tide | 7.13 ft |
Monday, September 28
| 12:15 AM | Low tide | 0.58 ft |
| 7:19 AM | High tide | 6.79 ft |
| 12:15 PM | Low tide | 4.02 ft |
| 6:01 PM | High tide | 7.25 ft |
Tuesday, September 29
| 12:54 AM | Low tide | -0.30 ft |
| 8:23 AM | High tide | 7.06 ft |
| 12:58 PM | Low tide | 4.99 ft |
| 6:20 PM | High tide | 7.37 ft |
Wednesday, September 30
| 1:36 AM | Low tide | -0.94 ft |
| 9:34 AM | High tide | 7.25 ft |
| 1:44 PM | Low tide | 5.86 ft |
| 6:42 PM | High tide | 7.45 ft |
Thursday, October 1
| 2:24 AM | Low tide | -1.27 ft |
| 10:54 AM | High tide | 7.39 ft |
| 2:37 PM | Low tide | 6.53 ft |
| 7:07 PM | High tide | 7.43 ft |
Astronomical predictions from NOAA CO-OPS; actual levels vary with weather and swell.
Tidepooling near Friday Harbor
- Cattle Point, San Juan Island — Rocky shelves at the island's south tip with strong currents offshore — stay on shore rocks.
- Lime Kiln Point State Park — Pools in the bedrock benches below the lighthouse; watch for orcas offshore in summer.
- Fourth of July Beach — Gentle gravel flats on Griffin Bay, good for kids on a big low.
What to look for
red rock crabs, sea cucumbers, green sea urchins, leather stars, chitons, tidepool sculpins.
Best time of year
The year's lowest daytime tides land near the summer solstice — big midday minus tides from May through July. Winter's extreme lows mostly fall at night, so plan summer trips.
Conditions and access change — check the park's official page and local hazard advisories before you go, and confirm the tide on the day. New to tidepools? Read how to go tidepooling safely.