19 (日)	04:22	08:31	13:49	21:22
	125cm	97cm	143cm	1cm
大潮 出 06:26 入 17:11 出 06:07 入 15:34

苫小牧（北海道）2023年02月19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
2/19 00:00	56.6	↑4.5
2/19 00:10	61.1	↑4.5
2/19 00:20	65.6	↑4.5
2/19 00:30	70.0	↑4.4
2/19 00:40	74.4	↑4.4
2/19 00:50	78.6	↑4.2
2/19 01:00	82.7	↑4.1
2/19 01:10	86.7	↑4.0
2/19 01:20	90.5	↑3.8
2/19 01:30	94.1	↑3.6
2/19 01:40	97.5	↑3.4
2/19 01:50	100.7	↑3.2
2/19 02:00	103.7	↑3.0
2/19 02:10	106.5	↑2.8
2/19 02:20	109.1	↑2.6
2/19 02:30	111.5	↑2.4
2/19 02:40	113.8	↑2.3
2/19 02:50	115.8	↑2.0
2/19 03:00	117.6	↑1.8
2/19 03:10	119.3	↑1.7
2/19 03:20	120.7	↑1.4
2/19 03:30	122.0	↑1.3
2/19 03:40	123.0	↑1.0
2/19 03:50	123.8	↑0.8
2/19 04:00	124.4	↑0.6
2/19 04:10	124.8	↑0.4
2/19 04:20	124.9	↑0.1	満潮
2/19 04:30	124.8	↓-0.1
2/19 04:40	124.5	↓-0.3
2/19 04:50	123.9	↓-0.6
2/19 05:00	123.1	↓-0.8
2/19 05:10	122.1	↓-1.0
2/19 05:20	120.9	↓-1.2
2/19 05:30	119.5	↓-1.4
2/19 05:40	117.9	↓-1.6
2/19 05:50	116.3	↓-1.6
2/19 06:00	114.5	↓-1.8
2/19 06:10	112.7	↓-1.8
2/19 06:20	110.9	↓-1.8
2/19 06:30	109.1	↓-1.8
2/19 06:40	107.3	↓-1.8
2/19 06:50	105.6	↓-1.7
2/19 07:00	104.0	↓-1.6
2/19 07:10	102.6	↓-1.4
2/19 07:20	101.3	↓-1.3
2/19 07:30	100.1	↓-1.2
2/19 07:40	99.1	↓-1.0
2/19 07:50	98.3	↓-0.8
2/19 08:00	97.7	↓-0.6
2/19 08:10	97.3	↓-0.4
2/19 08:20	97.0	↓-0.3
2/19 08:30	96.9	↓-0.1	干潮
2/19 08:40	97.0	↑0.1
2/19 08:50	97.3	↑0.3
2/19 09:00	97.6	↑0.3
2/19 09:10	98.2	↑0.6
2/19 09:20	98.8	↑0.6
2/19 09:30	99.7	↑0.9
2/19 09:40	100.6	↑0.9
2/19 09:50	101.7	↑1.1
2/19 10:00	102.9	↑1.2
2/19 10:10	104.3	↑1.4
2/19 10:20	105.9	↑1.6
2/19 10:30	107.5	↑1.6
2/19 10:40	109.3	↑1.8
2/19 10:50	111.3	↑2.0
2/19 11:00	113.4	↑2.1
2/19 11:10	115.6	↑2.2
2/19 11:20	117.8	↑2.2
2/19 11:30	120.2	↑2.4
2/19 11:40	122.6	↑2.4
2/19 11:50	125.0	↑2.4
2/19 12:00	127.4	↑2.4
2/19 12:10	129.8	↑2.4
2/19 12:20	132.1	↑2.3
2/19 12:30	134.2	↑2.1
2/19 12:40	136.2	↑2.0
2/19 12:50	137.9	↑1.7
2/19 13:00	139.5	↑1.6
2/19 13:10	140.8	↑1.3
2/19 13:20	141.8	↑1.0
2/19 13:30	142.5	↑0.7
2/19 13:40	142.9	↑0.4	満潮
2/19 13:50	143.0	↑0.1
2/19 14:00	142.8	↓-0.2
2/19 14:10	142.2	↓-0.6
2/19 14:20	141.3	↓-0.9
2/19 14:30	140.2	↓-1.1
2/19 14:40	138.7	↓-1.5
2/19 14:50	137.0	↓-1.7
2/19 15:00	135.1	↓-1.9
2/19 15:10	132.8	↓-2.3
2/19 15:20	130.4	↓-2.4
2/19 15:30	127.7	↓-2.7
2/19 15:40	124.7	↓-3.0
2/19 15:50	121.6	↓-3.1
2/19 16:00	118.3	↓-3.3
2/19 16:10	114.7	↓-3.6
2/19 16:20	110.9	↓-3.8
2/19 16:30	107.0	↓-3.9
2/19 16:40	102.8	↓-4.2
2/19 16:50	98.4	↓-4.4
2/19 17:00	93.9	↓-4.5
2/19 17:10	89.2	↓-4.7
2/19 17:20	84.3	↓-4.9
2/19 17:30	79.3	↓-5.0
2/19 17:40	74.2	↓-5.1
2/19 17:50	69.0	↓-5.2
2/19 18:00	63.7	↓-5.3	最大潮位差
2/19 18:10	58.4	↓-5.3	最大潮位差
2/19 18:20	53.2	↓-5.2
2/19 18:30	48.0	↓-5.2
2/19 18:40	43.0	↓-5.0
2/19 18:50	38.1	↓-4.9
2/19 19:00	33.4	↓-4.7
2/19 19:10	28.9	↓-4.5
2/19 19:20	24.7	↓-4.2
2/19 19:30	20.8	↓-3.9
2/19 19:40	17.2	↓-3.6
2/19 19:50	13.9	↓-3.3
2/19 20:00	11.0	↓-2.9
2/19 20:10	8.4	↓-2.6
2/19 20:20	6.2	↓-2.2
2/19 20:30	4.3	↓-1.9
2/19 20:40	2.8	↓-1.5
2/19 20:50	1.6	↓-1.2
2/19 21:00	0.7	↓-0.9
2/19 21:10	0.2	↓-0.5
2/19 21:20	0.0	↓-0.2	干潮
2/19 21:30	0.1	0
2/19 21:40	0.6	↑0.5
2/19 21:50	1.3	↑0.7
2/19 22:00	2.3	↑1.0
2/19 22:10	3.7	↑1.4
2/19 22:20	5.3	↑1.6
2/19 22:30	7.3	↑2.0
2/19 22:40	9.6	↑2.3
2/19 22:50	12.2	↑2.6
2/19 23:00	15.1	↑2.9
2/19 23:10	18.3	↑3.2
2/19 23:20	21.9	↑3.6
2/19 23:30	25.7	↑3.8
2/19 23:40	29.7	↑4.0
2/19 23:50	34.0	↑4.3