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In January 2027, the highest tide in San Juan is on January 21 at 7:55 AM (1.9 ft) and the lowest on January 21 at 12:26 AM (−0.3 ft). The biggest range of the month, 2.2 ft, is on January 21; the smallest, 1.0 ft, on January 13.
Which days in January have the biggest tides in San Juan?
Range of each day, coloured by spring and neap tides
Calendar
High and low tides in San Juan, January 2027
🖨 Print or PDF| Day | High ▲ and low ▼ tide | Range | Moon | Sun |
|---|---|---|---|---|
| ▲4:12 AM 1.5 ft▼10:32 AM 0.5 ft▲3:32 PM 0.9 ft▼9:49 PM 0.0 ft | 1.4 | 6:57 AM · 6:00 PM | ||
| ▲5:13 AM 1.5 ft▼11:50 AM 0.5 ft▲4:20 PM 0.8 ft▼10:34 PM 0.0 ft | 1.5 | 6:58 AM · 6:00 PM | ||
| ▲6:09 AM 1.6 ft▼12:58 PM 0.5 ft▲5:09 PM 0.8 ft▼11:20 PM −0.1 ft | 1.6 | 6:58 AM · 6:01 PM | ||
| ▲6:59 AM 1.6 ft▼1:54 PM 0.5 ft▲5:58 PM 0.7 ft | 1.1 | 6:58 AM · 6:02 PM | ||
| ▼12:05 AM −0.1 ft▲7:44 AM 1.6 ft▼2:40 PM 0.5 ft▲6:46 PM 0.7 ft | 1.7 | 6:59 AM · 6:02 PM | ||
| ▼12:48 AM −0.1 ft▲8:25 AM 1.7 ft▼3:19 PM 0.4 ft▲7:30 PM 0.7 ft | 1.7 | 6:59 AM · 6:03 PM | ||
| ▼1:30 AM −0.1 ft▲9:02 AM 1.6 ft▼3:53 PM 0.4 ft▲8:12 PM 0.7 ft | 1.7 | 6:59 AM · 6:03 PM | ||
| ▼2:09 AM 0.0 ft▲9:36 AM 1.6 ft▼4:24 PM 0.4 ft▲8:52 PM 0.8 ft | 1.6 | 6:59 AM · 6:04 PM | ||
| ▼2:47 AM 0.0 ft▲10:07 AM 1.6 ft▼4:51 PM 0.4 ft▲9:33 PM 0.8 ft | 1.5 | 6:59 AM · 6:05 PM | ||
| ▼3:26 AM 0.1 ft▲10:37 AM 1.6 ft▼5:16 PM 0.4 ft▲10:15 PM 0.9 ft | 1.4 | 7:00 AM · 6:05 PM | ||
| ▼4:07 AM 0.2 ft▲11:05 AM 1.5 ft▼5:41 PM 0.4 ft▲11:01 PM 1.0 ft | 1.3 | 7:00 AM · 6:06 PM | ||
| ▼4:50 AM 0.3 ft▲11:35 AM 1.4 ft▼6:07 PM 0.4 ft▲11:52 PM 1.1 ft | 1.1 | 7:00 AM · 6:07 PM | ||
| ▼5:40 AM 0.4 ft▲12:05 PM 1.4 ft▼6:36 PM 0.3 ft | 1.0 | 7:00 AM · 6:07 PM | ||
| ▲12:48 AM 1.2 ft▼6:36 AM 0.5 ft▲12:37 PM 1.3 ft▼7:09 PM 0.2 ft | 1.0 | 7:00 AM · 6:08 PM | ||
| ▲1:49 AM 1.3 ft▼7:42 AM 0.6 ft▲1:12 PM 1.1 ft▼7:49 PM 0.1 ft | 1.1 | 7:00 AM · 6:08 PM | ||
| ▲2:55 AM 1.4 ft▼8:58 AM 0.6 ft▲1:53 PM 1.0 ft▼8:35 PM 0.0 ft | 1.4 | 7:00 AM · 6:09 PM | ||
| ▲4:00 AM 1.5 ft▼10:20 AM 0.7 ft▲2:43 PM 0.9 ft▼9:27 PM −0.2 ft | 1.6 | 7:00 AM · 6:10 PM | ||
| ▲5:04 AM 1.6 ft▼11:39 AM 0.6 ft▲3:45 PM 0.9 ft▼10:24 PM −0.2 ft | 1.8 | 7:00 AM · 6:10 PM | ||
| ▲6:05 AM 1.8 ft▼12:46 PM 0.6 ft▲4:55 PM 0.8 ft▼11:24 PM −0.3 ft | 2.0 | 7:00 AM · 6:11 PM | ||
| ▲7:01 AM 1.9 ft▼1:42 PM 0.5 ft▲6:07 PM 0.9 ft | 1.4 | 7:00 AM · 6:12 PM | ||
| ▼12:26 AM −0.3 ft▲7:55 AM 1.9 ft▼2:32 PM 0.4 ft▲7:17 PM 1.0 ft | 2.2 | 7:00 AM · 6:12 PM | ||
| ▼1:27 AM −0.3 ft▲8:46 AM 1.9 ft▼3:17 PM 0.3 ft▲8:23 PM 1.1 ft | 2.2 | 7:00 AM · 6:13 PM | ||
| ▼2:29 AM −0.2 ft▲9:35 AM 1.9 ft▼4:01 PM 0.3 ft▲9:26 PM 1.2 ft | 2.1 | 7:00 AM · 6:13 PM | ||
| ▼3:29 AM −0.1 ft▲10:23 AM 1.8 ft▼4:44 PM 0.2 ft▲10:27 PM 1.3 ft | 1.9 | 7:00 AM · 6:14 PM | ||
| ▼4:29 AM 0.0 ft▲11:09 AM 1.7 ft▼5:25 PM 0.2 ft▲11:28 PM 1.4 ft | 1.6 | 7:00 AM · 6:15 PM | ||
| ▼5:30 AM 0.2 ft▲11:53 AM 1.5 ft▼6:07 PM 0.2 ft | 1.3 | 7:00 AM · 6:15 PM | ||
| ▲12:29 AM 1.4 ft▼6:33 AM 0.3 ft▲12:35 PM 1.3 ft▼6:48 PM 0.1 ft | 1.3 | 7:00 AM · 6:16 PM | ||
| ▲1:31 AM 1.4 ft▼7:40 AM 0.4 ft▲1:16 PM 1.1 ft▼7:30 PM 0.1 ft | 1.3 | 7:00 AM · 6:16 PM | ||
| ▲2:35 AM 1.4 ft▼8:52 AM 0.5 ft▲1:56 PM 1.0 ft▼8:15 PM 0.0 ft | 1.4 | 6:59 AM · 6:17 PM | ||
| ▲3:40 AM 1.5 ft▼10:11 AM 0.6 ft▲2:40 PM 0.8 ft▼9:03 PM 0.0 ft | 1.4 | 6:59 AM · 6:18 PM | ||
| ▲4:42 AM 1.5 ft▼11:29 AM 0.6 ft▲3:31 PM 0.8 ft▼9:54 PM 0.0 ft | 1.4 | 6:59 AM · 6:18 PM |
Frequently asked questions
When is the highest tide in San Juan in January 2027?
On January 21 at 7:55 AM, 1.9 ft above mean lower low water (MLLW).
When is the lowest tide in San Juan in January 2027?
On January 21 at 12:26 AM, −0.3 ft.
Which days in January 2027 have spring tides in San Juan?
January 5–6, January 18–19 and January 21–24.
Where does this data come from?
These tides are an astronomical prediction computed by the Tides Pro engine with tide models and harmonic constants, checked against the official predictions of NOAA. How we validate them is in our methodology. Heights are above mean lower low water (MLLW). They do not include wind or air pressure: for navigation, use official publications.
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