Half Moon Bay Tide Chart
Half Moon Bay, CA. Predictions for NOAA station Pillar Point Harbor, Half Moon Bay (9414131), about 3 mi away.
Next tides at Half Moon Bay
Times in local time (PDT). Heights in feet above mean lower low water (MLLW).
Predictions from NOAA CO-OPS station 9414131, not observed water levels.
Tide today, Sunday, Oct 18
The curve is drawn between NOAA's predicted highs and lows; the times and heights in the table are NOAA's numbers.
Half Moon Bay tide table, next 7 days
| Day | Tides | Sun and moon |
|---|---|---|
| Sun Oct 18 | High 7:04 AM 3.9 ft Low 11:08 AM 3.5 ft High 4:16 PM 4.5 ft | Sunrise 7:20 AM Sunset 6:28 PM First quarter, 51% lit |
| Mon Oct 19 | Low 12:13 AM 0.7 ft High 7:40 AM 4.1 ft Low 12:31 PM 3.2 ft High 5:41 PM 4.4 ft | Sunrise 7:21 AM Sunset 6:26 PM First quarter, 61% lit |
| Tue Oct 20 | Low 1:01 AM 0.7 ft High 8:06 AM 4.4 ft Low 1:30 PM 2.7 ft High 6:51 PM 4.4 ft | Sunrise 7:22 AM Sunset 6:25 PM Waxing gibbous, 70% lit |
| Wed Oct 21 | Low 1:43 AM 0.7 ft High 8:29 AM 4.7 ft Low 2:19 PM 2.1 ft High 7:54 PM 4.5 ft | Sunrise 7:23 AM Sunset 6:24 PM Waxing gibbous, 79% lit |
| Thu Oct 22 | Low 2:22 AM 0.8 ft High 8:51 AM 5.0 ft Low 3:01 PM 1.4 ft High 8:51 PM 4.7 ft | Sunrise 7:24 AM Sunset 6:23 PM Waxing gibbous, 87% lit |
| Fri Oct 23 | Low 2:57 AM 1.0 ft High 9:15 AM 5.4 ft Low 3:40 PM 0.7 ft High 9:42 PM 4.8 ft | Sunrise 7:25 AM Sunset 6:21 PM Waxing gibbous, 93% lit |
| Sat Oct 24 | Low 3:30 AM 1.2 ft High 9:40 AM 5.8 ft Low 4:19 PM 0.1 ft High 10:31 PM 4.8 ft | Sunrise 7:26 AM Sunset 6:20 PM Full moon, 97% lit |
| Sun Oct 25 | Low 4:02 AM 1.5 ft High 10:08 AM 6.1 ft Low 4:59 PM -0.5 ft High 11:21 PM 4.7 ft | Sunrise 7:27 AM Sunset 6:19 PM Full moon, 100% lit |
Tide predictions from NOAA station 9414131, not observed water levels. Wind and weather can change the actual tide. Not for navigation: use official NOAA tide tables and charts.
Lowest tides in the next 30 days
The five lowest predicted low tides at Pillar Point Harbor, Half Moon Bay from Oct 18 to Nov 16. Low tides below 0.0 ft (minus tides) uncover the most beach and tide pools.
| Date | Time | Height |
|---|---|---|
| Mon, Oct 26 | 5:42 PM | -0.9 ft |
| Tue, Oct 27 | 6:29 PM | -1.1 ft |
| Wed, Oct 28 | 7:21 PM | -1.2 ft |
| Thu, Oct 29 | 8:16 PM | -1.0 ft |
| Fri, Oct 30 | 9:18 PM | -0.7 ft |
About tides at Half Moon Bay
The times and heights on this page are NOAA's predictions for station Pillar Point Harbor, Half Moon Bay (9414131), about 3 miles from Half Moon Bay. Today the predicted range between the highest and lowest tide is 0.9 ft.
There are 15 minus tides predicted in the next 30 days; the lowest is -1.2 ft on Oct 28 at 7:21 PM. The highest predicted high in the same period is 6.5 ft on Oct 27.
Questions about Half Moon Bay tides
- What time is high tide in Half Moon Bay today?
- On Oct 18, 2026: 7:04 AM (3.9 ft) and 4:16 PM (4.5 ft). Times are PDT.
- What does "ft MLLW" mean?
- Heights are measured from mean lower low water, the average of the lowest tide of each day. A minus tide is a low tide below that level.
- Why can the real tide differ from this table?
- Predictions come from the astronomical tide. Strong wind, storms and river flow can push water higher or lower than predicted, by a few inches or more.