Alaska tide station

Port Chatham tide times

Today, Sunday, October 18, 2026: high tide at 8:46 AM (9.8 ft) and 7:38 PM (10.2 ft); low tide at 1:25 AM (4.4 ft) and 1:51 PM (8.5 ft). Water temperature 48.2 F at buoy OVIA2 (16 mi away).

NOAA station 9455428 · Subordinate station · MLLW datum · times in AKDT · sunrise 8:53 AM, sunset 6:51 PM · first quarter (52% lit)

Low tide▼

1:25AM

4.4FT MLLW

low

High tide▲

8:46AM

9.8FT MLLW

high

Low tide▼

1:51PM

8.5FT MLLW

low

High tide▲

7:38PM

10.2FT MLLW

high

predicted height above MLLWnightnow (build time; your browser updates it)

As of 1:20 AM the tide is falling toward low tide at 1:25 AM (4.4 ft).

First Quarter 52% litSunrise 8:53 AMSunset 6:51 PMDaylight 9h 58mAKDT

High tide at Port Chatham, Alaska on October 18, 2026 is at 8:46 AM (9.8 ft above MLLW) and 7:38 PM (10.2 ft above MLLW).
Low tide at Port Chatham on October 18, 2026 is at 1:25 AM (4.4 ft) and 1:51 PM (8.5 ft).
Today's tidal range at Port Chatham is 5.8 ft (highest high 10.2 ft, lowest low 4.4 ft).
The nearest NOAA water temperature to Port Chatham is 48.2 F at buoy OVIA2 (16 mi away), as of October 18, 2026.
Sunrise 8:53 AM, sunset 6:51 PM (AKDT); moon first quarter, 52% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9455428 (subordinate station), heights above MLLW.

Next 7 days at Port Chatham

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	1:25 AM4.4 ft	8:46 AM9.8 ft	1:51 PM8.5 ft	7:38 PM10.2 ft	8:53 AM	6:51 PM	52%
Mon Oct 19	2:53 AM4.9 ft	10:18 AM10.1 ft	3:37 PM8.2 ft	9:25 PM10.0 ft	8:55 AM	6:48 PM	63%
Tue Oct 20	4:20 AM4.5 ft	11:16 AM10.9 ft	4:59 PM6.7 ft	10:51 PM10.6 ft	8:58 AM	6:46 PM	73%
Wed Oct 21	5:16 AM3.7 ft	11:54 AM12.0 ft	5:47 PM4.9 ft	11:49 PM11.6 ft	9:00 AM	6:43 PM	82%
Thu Oct 22	5:57 AM2.8 ft	12:24 PM13.1 ft	6:25 PM2.8 ft		9:02 AM	6:40 PM	89%
Fri Oct 23	12:35 AM12.7 ft	6:33 AM2.0 ft	12:54 PM14.3 ft	7:01 PM0.8 ft	9:05 AM	6:37 PM	95%
Sat Oct 24	1:17 AM13.8 ft	7:08 AM1.4 ft	1:24 PM15.4 ft	7:37 PM-1.1 ft	9:07 AM	6:35 PM	98%

Water temperature near Port Chatham

48.2 F (9.0 C)

NDBC buoy OVIA2 (9455500 - Seldovia, AK), 16 mi away, observed 08:48 UTC October 18, 2026

Water temperature is the nearest NOAA reading to Port Chatham, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in AKDT with sunrise, sunset and moon illumination. CSV of today's tides for every Alaska station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					8:13 AM	7:40 PM	71%
Fri Oct 2					8:15 AM	7:37 PM	61%
Sat Oct 3					8:18 AM	7:34 PM	50%
Sun Oct 4					8:20 AM	7:31 PM	40%
Mon Oct 5					8:22 AM	7:28 PM	29%
Tue Oct 6					8:25 AM	7:25 PM	20%
Wed Oct 7					8:27 AM	7:22 PM	12%
Thu Oct 8					8:29 AM	7:20 PM	6%
Fri Oct 9					8:32 AM	7:17 PM	2%
Sat Oct 10					8:34 AM	7:14 PM	0%
Sun Oct 11					8:36 AM	7:11 PM	0%
Mon Oct 12					8:39 AM	7:08 PM	3%
Tue Oct 13					8:41 AM	7:05 PM	8%
Wed Oct 14					8:43 AM	7:02 PM	14%
Thu Oct 15					8:46 AM	7:00 PM	22%
Fri Oct 16	6:19 AM11.3 ft	11:39 AM6.5 ft	5:34 PM12.3 ft		8:48 AM	6:57 PM	32%
Sat Oct 17	12:21 AM3.2 ft	7:20 AM10.3 ft	12:31 PM7.7 ft	6:22 PM11.2 ft	8:50 AM	6:54 PM	42%
Sun Oct 18today	1:25 AM4.4 ft	8:46 AM9.8 ft	1:51 PM8.5 ft	7:38 PM10.2 ft	8:53 AM	6:51 PM	52%
Mon Oct 19	2:53 AM4.9 ft	10:18 AM10.1 ft	3:37 PM8.2 ft	9:25 PM10.0 ft	8:55 AM	6:48 PM	63%
Tue Oct 20	4:20 AM4.5 ft	11:16 AM10.9 ft	4:59 PM6.7 ft	10:51 PM10.6 ft	8:58 AM	6:46 PM	73%
Wed Oct 21	5:16 AM3.7 ft	11:54 AM12.0 ft	5:47 PM4.9 ft	11:49 PM11.6 ft	9:00 AM	6:43 PM	82%
Thu Oct 22	5:57 AM2.8 ft	12:24 PM13.1 ft	6:25 PM2.8 ft		9:02 AM	6:40 PM	89%
Fri Oct 23	12:35 AM12.7 ft	6:33 AM2.0 ft	12:54 PM14.3 ft	7:01 PM0.8 ft	9:05 AM	6:37 PM	95%
Sat Oct 24	1:17 AM13.8 ft	7:08 AM1.4 ft	1:24 PM15.4 ft	7:37 PM-1.1 ft	9:07 AM	6:35 PM	98%
Sun Oct 25	1:58 AM14.7 ft	7:44 AM1.1 ft	1:56 PM16.4 ft	8:13 PM-2.5 ft	9:10 AM	6:32 PM	100%
Mon Oct 26	2:39 AM15.3 ft	8:21 AM1.1 ft	2:30 PM17.0 ft	8:52 PM-3.5 ft	9:12 AM	6:29 PM	99%
Tue Oct 27	3:22 AM15.5 ft	8:59 AM1.5 ft	3:06 PM17.2 ft	9:32 PM-3.7 ft	9:15 AM	6:27 PM	96%
Wed Oct 28	4:06 AM15.2 ft	9:40 AM2.2 ft	3:45 PM17.0 ft	10:15 PM-3.2 ft	9:17 AM	6:24 PM	91%
Thu Oct 29	4:53 AM14.5 ft	10:23 AM3.2 ft	4:28 PM16.3 ft	11:03 PM-2.2 ft	9:20 AM	6:22 PM	84%
Fri Oct 30	5:46 AM13.6 ft	11:12 AM4.4 ft	5:17 PM15.1 ft	11:57 PM-0.7 ft	9:22 AM	6:19 PM	76%
Sat Oct 31	6:48 AM12.6 ft	12:12 PM5.6 ft	6:17 PM13.7 ft		9:24 AM	6:16 PM	66%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	1:02 AM0.8 ft	7:02 AM12.0 ft	12:28 PM6.3 ft	6:35 PM12.4 ft	8:27 AM	5:14 PM	55%
Mon Nov 2	1:18 AM2.0 ft	8:22 AM12.0 ft	2:00 PM6.1 ft	8:10 PM11.7 ft	8:29 AM	5:11 PM	45%
Tue Nov 3	2:40 AM2.5 ft	9:33 AM12.7 ft	3:29 PM4.7 ft	9:40 PM11.9 ft	8:32 AM	5:09 PM	34%
Wed Nov 4	3:50 AM2.4 ft	10:28 AM13.5 ft	4:35 PM2.9 ft	10:49 PM12.6 ft	8:34 AM	5:06 PM	25%
Thu Nov 5	4:44 AM2.2 ft	11:12 AM14.4 ft	5:24 PM1.1 ft	11:43 PM13.3 ft	8:37 AM	5:04 PM	16%
Fri Nov 6	5:28 AM2.2 ft	11:49 AM15.1 ft	6:06 PM-0.3 ft		8:39 AM	5:02 PM	9%
Sat Nov 7	12:29 AM13.8 ft	6:08 AM2.2 ft	12:23 PM15.5 ft	6:43 PM-1.3 ft	8:42 AM	4:59 PM	4%
Sun Nov 8	1:11 AM14.2 ft	6:44 AM2.5 ft	12:55 PM15.7 ft	7:17 PM-1.8 ft	8:44 AM	4:57 PM	1%
Mon Nov 9	1:49 AM14.4 ft	7:19 AM2.8 ft	1:26 PM15.7 ft	7:51 PM-1.9 ft	8:47 AM	4:55 PM	0%
Tue Nov 10	2:26 AM14.3 ft	7:54 AM3.3 ft	1:57 PM15.5 ft	8:25 PM-1.5 ft	8:49 AM	4:52 PM	1%
Wed Nov 11	3:02 AM14.0 ft	8:29 AM3.9 ft	2:28 PM15.1 ft	8:59 PM-0.9 ft	8:52 AM	4:50 PM	5%
Thu Nov 12	3:39 AM13.4 ft	9:04 AM4.7 ft	3:01 PM14.4 ft	9:35 PM0.1 ft	8:54 AM	4:48 PM	11%
Fri Nov 13	4:19 AM12.7 ft	9:42 AM5.5 ft	3:36 PM13.6 ft	10:13 PM1.2 ft	8:56 AM	4:46 PM	18%
Sat Nov 14	5:02 AM11.9 ft	10:23 AM6.4 ft	4:15 PM12.6 ft	10:56 PM2.3 ft	8:59 AM	4:44 PM	27%
Sun Nov 15	5:54 AM11.2 ft	11:14 AM7.1 ft	5:02 PM11.6 ft	11:47 PM3.3 ft	9:01 AM	4:42 PM	37%
Mon Nov 16	6:53 AM10.8 ft	12:19 PM7.5 ft	6:05 PM10.7 ft		9:04 AM	4:40 PM	47%
Tue Nov 17	12:47 AM4.0 ft	7:57 AM10.9 ft	1:38 PM7.3 ft	7:27 PM10.1 ft	9:06 AM	4:38 PM	58%
Wed Nov 18	1:54 AM4.4 ft	8:55 AM11.4 ft	2:55 PM6.2 ft	8:53 PM10.2 ft	9:08 AM	4:36 PM	68%
Thu Nov 19	2:59 AM4.5 ft	9:43 AM12.2 ft	3:57 PM4.5 ft	10:04 PM10.9 ft	9:11 AM	4:34 PM	77%
Fri Nov 20	3:54 AM4.2 ft	10:23 AM13.3 ft	4:45 PM2.5 ft	11:02 PM11.9 ft	9:13 AM	4:32 PM	86%
Sat Nov 21	4:43 AM3.8 ft	11:01 AM14.4 ft	5:28 PM0.5 ft	11:52 PM13.0 ft	9:15 AM	4:30 PM	92%
Sun Nov 22	5:29 AM3.4 ft	11:40 AM15.5 ft	6:10 PM-1.4 ft		9:18 AM	4:29 PM	97%
Mon Nov 23	12:40 AM14.0 ft	6:13 AM3.0 ft	12:20 PM16.5 ft	6:52 PM-2.9 ft	9:20 AM	4:27 PM	100%
Tue Nov 24	1:26 AM14.7 ft	6:57 AM2.7 ft	1:03 PM17.1 ft	7:35 PM-3.9 ft	9:22 AM	4:25 PM	100%
Wed Nov 25	2:13 AM15.2 ft	7:42 AM2.7 ft	1:47 PM17.4 ft	8:20 PM-4.2 ft	9:24 AM	4:24 PM	98%
Thu Nov 26	3:00 AM15.2 ft	8:28 AM2.8 ft	2:33 PM17.2 ft	9:06 PM-3.9 ft	9:26 AM	4:22 PM	94%
Fri Nov 27	3:49 AM14.9 ft	9:16 AM3.2 ft	3:22 PM16.6 ft	9:55 PM-3.0 ft	9:28 AM	4:21 PM	88%
Sat Nov 28	4:40 AM14.4 ft	10:09 AM3.8 ft	4:15 PM15.4 ft	10:47 PM-1.6 ft	9:31 AM	4:19 PM	80%
Sun Nov 29	5:36 AM13.8 ft	11:08 AM4.4 ft	5:15 PM14.1 ft	11:44 PM-0.0 ft	9:33 AM	4:18 PM	71%
Mon Nov 30	6:36 AM13.4 ft	12:17 PM4.7 ft	6:24 PM12.7 ft		9:35 AM	4:17 PM	61%

How these predictions are made

Port Chatham is a subordinate station: NOAA derives its tides from the reference station SELDOVIA, Kachemak Bay by applying fixed offsets.

High tide time

-0h 28m

relative to SELDOVIA, Kachemak Bay

Low tide time

-0h 34m

relative to reference

High tide height

x0.78

ratio

Low tide height

x0.92

ratio

Nearby tide stations

Port Graham10 mi · next high 9:06 AM
Picnic Harbor, Rocky Bay11 mi · next high 8:49 AM
SELDOVIA, Kachemak Bay16 mi · next high 9:14 AM
Kasitsna Bay, Kachemak Bay19 mi · next high 8:44 AM
Tutka Bay,Kachemak Bay20 mi · next high 9:13 AM
Sadie Cove, Kachemak Bay23 mi · next high 9:10 AM

Questions

What time is high tide at Port Chatham today?

High tide at Port Chatham, Alaska on Sunday, October 18, 2026 is at 8:46 AM (9.8 ft above MLLW) and 7:38 PM (10.2 ft above MLLW), NOAA prediction, local time.

What time is low tide at Port Chatham today?

Low tide at Port Chatham on Sunday, October 18, 2026 is at 1:25 AM (4.4 ft) and 1:51 PM (8.5 ft).

What is the water temperature at Port Chatham?

The nearest NOAA water-temperature reading to Port Chatham is 48.2 F at buoy OVIA2 (16 mi away), as of October 18, 2026.

Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 9455428.