Washington tide station

Blaine, Semiahmoo Bay tide times

Today, Sunday, October 18, 2026: high tide at 1:40 PM (8.5 ft); low tide at 4:58 AM (0.9 ft). Water temperature 53.8 F at buoy 46304 (34 mi away).

NOAA station 9449679 · Reference station · MLLW datum · times in PDT · sunrise 7:37 AM, sunset 6:15 PM · first quarter (52% lit)

Low tide▼

4:58AM

0.9FT MLLW

low

High tide▲

1:40PM

8.5FT MLLW

high

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

As of 2:20 AM the tide is falling toward low tide at 4:58 AM (0.9 ft).

First Quarter 52% litSunrise 7:37 AMSunset 6:15 PMDaylight 10h 38mPDT

High tide at Blaine, Semiahmoo Bay, Washington on October 18, 2026 is at 1:40 PM (8.5 ft above MLLW).
Low tide at Blaine, Semiahmoo Bay on October 18, 2026 is at 4:58 AM (0.9 ft).
Today's tidal range at Blaine, Semiahmoo Bay is 7.6 ft (highest high 8.5 ft, lowest low 0.9 ft).
The nearest NOAA water temperature to Blaine, Semiahmoo Bay is 53.8 F at buoy 46304 (34 mi away), as of October 18, 2026.
Sunrise 7:37 AM, sunset 6:15 PM (PDT); moon first quarter, 52% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9449679 (harmonic reference station), heights above MLLW.

Next 7 days at Blaine, Semiahmoo Bay

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	4:58 AM0.9 ft	1:40 PM8.5 ft			7:37 AM	6:15 PM	52%
Mon Oct 19	5:56 AM1.3 ft	2:23 PM8.6 ft			7:38 AM	6:13 PM	62%
Tue Oct 20	6:56 AM1.6 ft	2:54 PM8.6 ft	9:32 PM5.2 ft		7:40 AM	6:12 PM	72%
Wed Oct 21	1:15 AM5.8 ft	7:54 AM2.0 ft	3:18 PM8.7 ft	9:48 PM4.2 ft	7:42 AM	6:10 PM	81%
Thu Oct 22	2:48 AM6.2 ft	8:48 AM2.5 ft	3:40 PM8.8 ft	10:11 PM3.1 ft	7:43 AM	6:08 PM	89%
Fri Oct 23	3:58 AM6.9 ft	9:38 AM3.1 ft	4:01 PM8.9 ft	10:39 PM1.8 ft	7:45 AM	6:06 PM	95%
Sat Oct 24	4:59 AM7.7 ft	10:27 AM3.8 ft	4:24 PM9.0 ft	11:11 PM0.6 ft	7:46 AM	6:04 PM	98%

Water temperature near Blaine, Semiahmoo Bay

53.8 F (12.1 C)

NDBC buoy 46304 (Entrance To English Bay), 34 mi away, observed 09:00 UTC October 18, 2026

Water temperature is the nearest NOAA reading to Blaine, Semiahmoo Bay, 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 PDT with sunrise, sunset and moon illumination. CSV of today's tides for every Washington station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					7:11 AM	6:50 PM	71%
Fri Oct 2					7:13 AM	6:48 PM	61%
Sat Oct 3					7:14 AM	6:46 PM	51%
Sun Oct 4					7:16 AM	6:44 PM	40%
Mon Oct 5					7:17 AM	6:42 PM	30%
Tue Oct 6					7:19 AM	6:40 PM	21%
Wed Oct 7					7:20 AM	6:37 PM	13%
Thu Oct 8					7:22 AM	6:35 PM	7%
Fri Oct 9					7:23 AM	6:33 PM	2%
Sat Oct 10					7:25 AM	6:31 PM	0%
Sun Oct 11					7:26 AM	6:29 PM	0%
Mon Oct 12					7:28 AM	6:27 PM	3%
Tue Oct 13					7:29 AM	6:25 PM	7%
Wed Oct 14					7:31 AM	6:23 PM	14%
Thu Oct 15					7:32 AM	6:21 PM	22%
Fri Oct 16	3:19 AM0.1 ft	11:35 AM8.6 ft	4:37 PM7.2 ft	7:28 PM7.5 ft	7:34 AM	6:19 PM	31%
Sat Oct 17	4:06 AM0.5 ft	12:40 PM8.5 ft			7:35 AM	6:17 PM	41%
Sun Oct 18today	4:58 AM0.9 ft	1:40 PM8.5 ft			7:37 AM	6:15 PM	52%
Mon Oct 19	5:56 AM1.3 ft	2:23 PM8.6 ft			7:38 AM	6:13 PM	62%
Tue Oct 20	6:56 AM1.6 ft	2:54 PM8.6 ft	9:32 PM5.2 ft		7:40 AM	6:12 PM	72%
Wed Oct 21	1:15 AM5.8 ft	7:54 AM2.0 ft	3:18 PM8.7 ft	9:48 PM4.2 ft	7:42 AM	6:10 PM	81%
Thu Oct 22	2:48 AM6.2 ft	8:48 AM2.5 ft	3:40 PM8.8 ft	10:11 PM3.1 ft	7:43 AM	6:08 PM	89%
Fri Oct 23	3:58 AM6.9 ft	9:38 AM3.1 ft	4:01 PM8.9 ft	10:39 PM1.8 ft	7:45 AM	6:06 PM	95%
Sat Oct 24	4:59 AM7.7 ft	10:27 AM3.8 ft	4:24 PM9.0 ft	11:11 PM0.6 ft	7:46 AM	6:04 PM	98%
Sun Oct 25	5:55 AM8.6 ft	11:15 AM4.6 ft	4:48 PM9.1 ft	11:45 PM-0.5 ft	7:48 AM	6:02 PM	100%
Mon Oct 26	6:49 AM9.3 ft	12:03 PM5.4 ft	5:14 PM9.2 ft		7:49 AM	6:01 PM	99%
Tue Oct 27	12:23 AM-1.5 ft	7:42 AM9.8 ft	12:51 PM6.2 ft	5:42 PM9.2 ft	7:51 AM	5:59 PM	96%
Wed Oct 28	1:03 AM-2.1 ft	8:38 AM10.1 ft	1:41 PM6.9 ft	6:12 PM9.2 ft	7:53 AM	5:57 PM	91%
Thu Oct 29	1:48 AM-2.4 ft	9:37 AM10.1 ft	2:37 PM7.4 ft	6:46 PM8.9 ft	7:54 AM	5:55 PM	85%
Fri Oct 30	2:36 AM-2.3 ft	10:40 AM10.1 ft	3:44 PM7.6 ft	7:23 PM8.5 ft	7:56 AM	5:54 PM	76%
Sat Oct 31	3:29 AM-1.8 ft	11:43 AM9.9 ft	5:09 PM7.4 ft	8:12 PM7.8 ft	7:57 AM	5:52 PM	67%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	3:28 AM-1.0 ft	11:41 AM9.8 ft	5:49 PM6.7 ft	8:36 PM6.9 ft	6:59 AM	4:50 PM	56%
Mon Nov 2	4:30 AM-0.1 ft	12:31 PM9.6 ft	7:08 PM5.5 ft	10:37 PM6.2 ft	7:01 AM	4:49 PM	45%
Tue Nov 3	5:35 AM1.0 ft	1:12 PM9.6 ft	7:56 PM4.1 ft		7:02 AM	4:47 PM	35%
Wed Nov 4	12:40 AM6.1 ft	6:41 AM2.2 ft	1:47 PM9.5 ft	8:35 PM2.8 ft	7:04 AM	4:45 PM	25%
Thu Nov 5	2:19 AM6.6 ft	7:44 AM3.3 ft	2:16 PM9.4 ft	9:11 PM1.5 ft	7:05 AM	4:44 PM	16%
Fri Nov 6	3:35 AM7.4 ft	8:41 AM4.3 ft	2:43 PM9.3 ft	9:45 PM0.4 ft	7:07 AM	4:42 PM	9%
Sat Nov 7	4:38 AM8.2 ft	9:35 AM5.2 ft	3:09 PM9.2 ft	10:18 PM-0.4 ft	7:09 AM	4:41 PM	4%
Sun Nov 8	5:31 AM8.8 ft	10:26 AM5.9 ft	3:34 PM9.1 ft	10:51 PM-0.9 ft	7:10 AM	4:39 PM	1%
Mon Nov 9	6:18 AM9.3 ft	11:14 AM6.5 ft	3:59 PM8.9 ft	11:24 PM-1.1 ft	7:12 AM	4:38 PM	0%
Tue Nov 10	7:02 AM9.6 ft	12:01 PM6.9 ft	4:23 PM8.6 ft	11:57 PM-1.2 ft	7:13 AM	4:37 PM	1%
Wed Nov 11	7:46 AM9.7 ft	12:47 PM7.2 ft	4:46 PM8.3 ft		7:15 AM	4:35 PM	5%
Thu Nov 12	12:30 AM-1.0 ft	8:31 AM9.6 ft	1:37 PM7.4 ft	5:06 PM8.0 ft	7:16 AM	4:34 PM	10%
Fri Nov 13	1:06 AM-0.8 ft	9:18 AM9.5 ft	2:36 PM7.4 ft	5:20 PM7.7 ft	7:18 AM	4:33 PM	18%
Sat Nov 14	1:43 AM-0.4 ft	10:05 AM9.4 ft			7:20 AM	4:31 PM	26%
Sun Nov 15	2:23 AM0.1 ft	10:49 AM9.2 ft			7:21 AM	4:30 PM	36%
Mon Nov 16	3:06 AM0.7 ft	11:29 AM9.2 ft			7:23 AM	4:29 PM	47%
Tue Nov 17	3:52 AM1.4 ft	12:02 PM9.1 ft	7:37 PM5.3 ft	9:53 PM5.4 ft	7:24 AM	4:28 PM	57%
Wed Nov 18	4:43 AM2.2 ft	12:29 PM9.1 ft	7:39 PM4.2 ft		7:26 AM	4:27 PM	68%
Thu Nov 19	12:06 AM5.4 ft	5:40 AM3.2 ft	12:55 PM9.2 ft	8:01 PM3.0 ft	7:27 AM	4:26 PM	77%
Fri Nov 20	1:50 AM6.0 ft	6:43 AM4.2 ft	1:20 PM9.2 ft	8:29 PM1.7 ft	7:29 AM	4:25 PM	85%
Sat Nov 21	3:06 AM7.1 ft	7:47 AM5.1 ft	1:46 PM9.3 ft	9:01 PM0.3 ft	7:30 AM	4:24 PM	92%
Sun Nov 22	4:09 AM8.2 ft	8:48 AM6.0 ft	2:14 PM9.5 ft	9:37 PM-1.0 ft	7:32 AM	4:23 PM	97%
Mon Nov 23	5:05 AM9.2 ft	9:48 AM6.7 ft	2:45 PM9.6 ft	10:17 PM-2.1 ft	7:33 AM	4:22 PM	99%
Tue Nov 24	5:58 AM10.1 ft	10:45 AM7.3 ft	3:19 PM9.7 ft	11:00 PM-2.9 ft	7:35 AM	4:21 PM	100%
Wed Nov 25	6:49 AM10.6 ft	11:42 AM7.7 ft	3:57 PM9.6 ft	11:45 PM-3.3 ft	7:36 AM	4:20 PM	98%
Thu Nov 26	7:41 AM10.9 ft	12:39 PM7.9 ft	4:40 PM9.4 ft		7:38 AM	4:19 PM	94%
Fri Nov 27	12:32 AM-3.3 ft	8:33 AM10.9 ft	1:40 PM7.8 ft	5:27 PM8.9 ft	7:39 AM	4:19 PM	88%
Sat Nov 28	1:21 AM-2.8 ft	9:23 AM10.7 ft	2:51 PM7.4 ft	6:21 PM8.2 ft	7:40 AM	4:18 PM	80%
Sun Nov 29	2:11 AM-1.9 ft	10:11 AM10.5 ft	4:10 PM6.6 ft	7:31 PM7.3 ft	7:42 AM	4:17 PM	71%
Mon Nov 30	3:03 AM-0.6 ft	10:54 AM10.3 ft	5:26 PM5.4 ft	9:08 PM6.3 ft	7:43 AM	4:17 PM	61%

Tidal datums at Blaine, Semiahmoo Bay

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9449679, in feet above MLLW:

MHHW

11.39 ft

Mean higher high water

MHW

10.53 ft

Mean high water

MSL

7.34 ft

Mean sea level

MLW

4.52 ft

Mean low water

6.01 ft

Mean range

9.53 ft

Diurnal range

Highest observed water level: 14.19 ft above MLLW on January 15, 1974. Tidal datum epoch 1983-2001.

Nearby tide stations

Cherry Point8.9 mi · next high 1:32 PM
Sandy Point, Lummi Bay14 mi · next high 1:51 PM
Point Roberts, Puget Sound14 mi · next high 1:46 PM
Patos Island Wharf17 mi · next high 2:02 PM
Echo Bay, Sucia Islands17 mi · next high 2:00 PM
Gooseberry Point19 mi · next high 1:40 PM

Questions

What time is high tide at Blaine, Semiahmoo Bay today?

High tide at Blaine, Semiahmoo Bay, Washington on Sunday, October 18, 2026 is at 1:40 PM (8.5 ft above MLLW), NOAA prediction, local time.

What time is low tide at Blaine, Semiahmoo Bay today?

Low tide at Blaine, Semiahmoo Bay on Sunday, October 18, 2026 is at 4:58 AM (0.9 ft).

What is the water temperature at Blaine, Semiahmoo Bay?

The nearest NOAA water-temperature reading to Blaine, Semiahmoo Bay is 53.8 F at buoy 46304 (34 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 9449679.