20 (日)	19:38	03:39	-	-
	123cm	51cm	-	-
長潮 出 05:19 入 17:37 出 14:23 入 23:02

苫小牧（北海道）2026年09月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
9/20 00:00	75.9	↓-2.2
9/20 00:10	73.6	↓-2.3	最大潮位差
9/20 00:20	71.4	↓-2.2
9/20 00:30	69.3	↓-2.1
9/20 00:40	67.3	↓-2.0
9/20 00:50	65.4	↓-1.9
9/20 01:00	63.5	↓-1.9
9/20 01:10	61.8	↓-1.7
9/20 01:20	60.2	↓-1.6
9/20 01:30	58.8	↓-1.4
9/20 01:40	57.4	↓-1.4
9/20 01:50	56.2	↓-1.2
9/20 02:00	55.2	↓-1.0
9/20 02:10	54.3	↓-0.9
9/20 02:20	53.4	↓-0.9
9/20 02:30	52.8	↓-0.6
9/20 02:40	52.2	↓-0.6
9/20 02:50	51.7	↓-0.5
9/20 03:00	51.3	↓-0.4
9/20 03:10	51.1	↓-0.2
9/20 03:20	50.9	↓-0.2
9/20 03:30	50.8	↓-0.1	干潮
9/20 03:40	50.7	↓-0.1
9/20 03:50	50.8	↑0.1
9/20 04:00	50.9	↑0.1
9/20 04:10	51.2	↑0.3
9/20 04:20	51.5	↑0.3
9/20 04:30	51.9	↑0.4
9/20 04:40	52.4	↑0.5
9/20 04:50	53.0	↑0.6
9/20 05:00	53.7	↑0.7
9/20 05:10	54.5	↑0.8
9/20 05:20	55.5	↑1.0
9/20 05:30	56.5	↑1.0
9/20 05:40	57.6	↑1.1
9/20 05:50	58.8	↑1.2
9/20 06:00	60.1	↑1.3
9/20 06:10	61.5	↑1.4
9/20 06:20	62.9	↑1.4
9/20 06:30	64.4	↑1.5
9/20 06:40	65.9	↑1.5
9/20 06:50	67.4	↑1.5
9/20 07:00	68.9	↑1.5
9/20 07:10	70.4	↑1.5
9/20 07:20	72.0	↑1.6
9/20 07:30	73.4	↑1.4
9/20 07:40	74.9	↑1.5
9/20 07:50	76.3	↑1.4
9/20 08:00	77.7	↑1.4
9/20 08:10	79.0	↑1.3
9/20 08:20	80.4	↑1.4
9/20 08:30	81.6	↑1.2
9/20 08:40	82.9	↑1.3
9/20 08:50	84.1	↑1.2
9/20 09:00	85.3	↑1.2
9/20 09:10	86.6	↑1.3
9/20 09:20	87.8	↑1.2
9/20 09:30	89.0	↑1.2
9/20 09:40	90.2	↑1.2
9/20 09:50	91.4	↑1.2
9/20 10:00	92.6	↑1.2
9/20 10:10	93.7	↑1.1
9/20 10:20	94.9	↑1.2
9/20 10:30	96.1	↑1.2
9/20 10:40	97.2	↑1.1
9/20 10:50	98.3	↑1.1
9/20 11:00	99.4	↑1.1
9/20 11:10	100.4	↑1.0
9/20 11:20	101.3	↑0.9
9/20 11:30	102.2	↑0.9
9/20 11:40	103.1	↑0.9
9/20 11:50	103.8	↑0.7
9/20 12:00	104.5	↑0.7
9/20 12:10	105.2	↑0.7
9/20 12:20	105.7	↑0.5
9/20 12:30	106.2	↑0.5
9/20 12:40	106.7	↑0.5
9/20 12:50	107.1	↑0.4
9/20 13:00	107.5	↑0.4
9/20 13:10	107.9	↑0.4
9/20 13:20	108.2	↑0.3
9/20 13:30	108.5	↑0.3
9/20 13:40	108.8	↑0.3
9/20 13:50	109.1	↑0.3
9/20 14:00	109.5	↑0.4
9/20 14:10	109.8	↑0.3
9/20 14:20	110.1	↑0.3
9/20 14:30	110.4	↑0.3
9/20 14:40	110.8	↑0.4
9/20 14:50	111.1	↑0.3
9/20 15:00	111.5	↑0.4
9/20 15:10	111.9	↑0.4
9/20 15:20	112.2	↑0.3
9/20 15:30	112.6	↑0.4
9/20 15:40	112.9	↑0.3
9/20 15:50	113.3	↑0.4
9/20 16:00	113.6	↑0.3
9/20 16:10	114.0	↑0.4
9/20 16:20	114.4	↑0.4
9/20 16:30	114.7	↑0.3
9/20 16:40	115.1	↑0.4
9/20 16:50	115.5	↑0.4
9/20 17:00	115.9	↑0.4
9/20 17:10	116.3	↑0.4
9/20 17:20	116.8	↑0.5
9/20 17:30	117.3	↑0.5
9/20 17:40	117.7	↑0.4
9/20 17:50	118.2	↑0.5
9/20 18:00	118.7	↑0.5
9/20 18:10	119.2	↑0.5
9/20 18:20	119.7	↑0.5
9/20 18:30	120.2	↑0.5
9/20 18:40	120.7	↑0.5
9/20 18:50	121.1	↑0.4
9/20 19:00	121.4	↑0.3
9/20 19:10	121.7	↑0.3
9/20 19:20	121.9	↑0.2
9/20 19:30	122.0	↑0.1	満潮
9/20 19:40	122.1	↑0.1
9/20 19:50	122.0	↓-0.1
9/20 20:00	121.8	↓-0.2
9/20 20:10	121.5	↓-0.3
9/20 20:20	121.1	↓-0.4
9/20 20:30	120.6	↓-0.5
9/20 20:40	119.9	↓-0.7
9/20 20:50	119.2	↓-0.7
9/20 21:00	118.3	↓-0.9
9/20 21:10	117.4	↓-0.9
9/20 21:20	116.4	↓-1.0
9/20 21:30	115.3	↓-1.1
9/20 21:40	114.1	↓-1.2
9/20 21:50	112.9	↓-1.2
9/20 22:00	111.6	↓-1.3
9/20 22:10	110.2	↓-1.4
9/20 22:20	108.8	↓-1.4
9/20 22:30	107.4	↓-1.4
9/20 22:40	105.9	↓-1.5
9/20 22:50	104.4	↓-1.5
9/20 23:00	102.8	↓-1.6
9/20 23:10	101.2	↓-1.6
9/20 23:20	99.5	↓-1.7
9/20 23:30	97.8	↓-1.7
9/20 23:40	96.1	↓-1.7
9/20 23:50	94.3	↓-1.8