20 (水)	06:12	11:39	17:31	-
	123cm	77cm	143cm	-
中潮 出 05:18 入 17:37 出 10:24 入 19:48

苫小牧（北海道）2023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	30.0	↑0.5
9/20 00:10	30.7	↑0.7
9/20 00:20	31.8	↑1.1
9/20 00:30	33.1	↑1.3
9/20 00:40	34.7	↑1.6
9/20 00:50	36.6	↑1.9
9/20 01:00	38.6	↑2.0
9/20 01:10	40.8	↑2.2
9/20 01:20	43.3	↑2.5
9/20 01:30	45.8	↑2.5
9/20 01:40	48.5	↑2.7
9/20 01:50	51.4	↑2.9
9/20 02:00	54.3	↑2.9
9/20 02:10	57.4	↑3.1
9/20 02:20	60.6	↑3.2
9/20 02:30	63.9	↑3.3
9/20 02:40	67.3	↑3.4
9/20 02:50	70.9	↑3.6
9/20 03:00	74.4	↑3.5
9/20 03:10	78.1	↑3.7
9/20 03:20	81.8	↑3.7
9/20 03:30	85.5	↑3.7
9/20 03:40	89.2	↑3.7
9/20 03:50	92.9	↑3.7
9/20 04:00	96.5	↑3.6
9/20 04:10	100.0	↑3.5
9/20 04:20	103.3	↑3.3
9/20 04:30	106.5	↑3.2
9/20 04:40	109.4	↑2.9
9/20 04:50	112.1	↑2.7
9/20 05:00	114.4	↑2.3
9/20 05:10	116.5	↑2.1
9/20 05:20	118.3	↑1.8
9/20 05:30	119.7	↑1.4
9/20 05:40	120.8	↑1.1
9/20 05:50	121.6	↑0.8
9/20 06:00	122.1	↑0.5
9/20 06:10	122.2	↑0.1	満潮
9/20 06:20	122.1	↓-0.1
9/20 06:30	121.7	↓-0.4
9/20 06:40	121.1	↓-0.6
9/20 06:50	120.4	↓-0.7
9/20 07:00	119.4	↓-1.0
9/20 07:10	118.3	↓-1.1
9/20 07:20	117.0	↓-1.3
9/20 07:30	115.7	↓-1.3
9/20 07:40	114.2	↓-1.5
9/20 07:50	112.7	↓-1.5
9/20 08:00	111.1	↓-1.6
9/20 08:10	109.4	↓-1.7
9/20 08:20	107.7	↓-1.7
9/20 08:30	105.9	↓-1.8
9/20 08:40	104.0	↓-1.9
9/20 08:50	102.1	↓-1.9
9/20 09:00	100.2	↓-1.9
9/20 09:10	98.2	↓-2.0
9/20 09:20	96.1	↓-2.1
9/20 09:30	94.0	↓-2.1
9/20 09:40	92.0	↓-2.0
9/20 09:50	89.9	↓-2.1
9/20 10:00	87.9	↓-2.0
9/20 10:10	86.0	↓-1.9
9/20 10:20	84.1	↓-1.9
9/20 10:30	82.4	↓-1.7
9/20 10:40	80.8	↓-1.6
9/20 10:50	79.5	↓-1.3
9/20 11:00	78.3	↓-1.2
9/20 11:10	77.4	↓-0.9
9/20 11:20	76.8	↓-0.6
9/20 11:30	76.4	↓-0.4	干潮
9/20 11:40	76.3	↓-0.1
9/20 11:50	76.5	↑0.2
9/20 12:00	76.9	↑0.4
9/20 12:10	77.7	↑0.8
9/20 12:20	78.7	↑1.0
9/20 12:30	79.9	↑1.2
9/20 12:40	81.4	↑1.5
9/20 12:50	83.0	↑1.6
9/20 13:00	84.9	↑1.9
9/20 13:10	86.9	↑2.0
9/20 13:20	89.0	↑2.1
9/20 13:30	91.2	↑2.2
9/20 13:40	93.5	↑2.3
9/20 13:50	95.9	↑2.4
9/20 14:00	98.3	↑2.4
9/20 14:10	100.8	↑2.5
9/20 14:20	103.4	↑2.6
9/20 14:30	106.0	↑2.6
9/20 14:40	108.6	↑2.6
9/20 14:50	111.3	↑2.7
9/20 15:00	113.9	↑2.6
9/20 15:10	116.6	↑2.7
9/20 15:20	119.3	↑2.7
9/20 15:30	122.0	↑2.7
9/20 15:40	124.6	↑2.6
9/20 15:50	127.2	↑2.6
9/20 16:00	129.7	↑2.5
9/20 16:10	132.0	↑2.3
9/20 16:20	134.2	↑2.2
9/20 16:30	136.3	↑2.1
9/20 16:40	138.0	↑1.7
9/20 16:50	139.6	↑1.6
9/20 17:00	140.8	↑1.2
9/20 17:10	141.7	↑0.9
9/20 17:20	142.2	↑0.5
9/20 17:30	142.4	↑0.2	満潮
9/20 17:40	142.2	↓-0.2
9/20 17:50	141.6	↓-0.6
9/20 18:00	140.7	↓-0.9
9/20 18:10	139.3	↓-1.4
9/20 18:20	137.6	↓-1.7
9/20 18:30	135.5	↓-2.1
9/20 18:40	133.2	↓-2.3
9/20 18:50	130.5	↓-2.7
9/20 19:00	127.6	↓-2.9
9/20 19:10	124.4	↓-3.2
9/20 19:20	121.1	↓-3.3
9/20 19:30	117.6	↓-3.5
9/20 19:40	114.0	↓-3.6
9/20 19:50	110.2	↓-3.8
9/20 20:00	106.4	↓-3.8
9/20 20:10	102.5	↓-3.9
9/20 20:20	98.5	↓-4.0
9/20 20:30	94.5	↓-4.0
9/20 20:40	90.5	↓-4.0
9/20 20:50	86.5	↓-4.0
9/20 21:00	82.5	↓-4.0
9/20 21:10	78.4	↓-4.1	最大潮位差
9/20 21:20	74.4	↓-4.0
9/20 21:30	70.5	↓-3.9
9/20 21:40	66.5	↓-4.0
9/20 21:50	62.6	↓-3.9
9/20 22:00	58.8	↓-3.8
9/20 22:10	55.1	↓-3.7
9/20 22:20	51.5	↓-3.6
9/20 22:30	48.1	↓-3.4
9/20 22:40	44.8	↓-3.3
9/20 22:50	41.8	↓-3.0
9/20 23:00	39.0	↓-2.8
9/20 23:10	36.5	↓-2.5
9/20 23:20	34.2	↓-2.3
9/20 23:30	32.3	↓-1.9
9/20 23:40	30.7	↓-1.6
9/20 23:50	29.5	↓-1.2