20 (木)	06:14	00:02	19:13	13:12
	138cm	62cm	103cm	39cm
小潮 出 06:25 入 17:12 出 08:54 入 23:55

苫小牧（北海道）2048年02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
2/20 00:00	61.1	↓-0.2	干潮
2/20 00:10	61.2	↑0.1
2/20 00:20	61.7	↑0.5
2/20 00:30	62.3	↑0.6
2/20 00:40	63.3	↑1.0
2/20 00:50	64.4	↑1.1
2/20 01:00	65.8	↑1.4
2/20 01:10	67.4	↑1.6
2/20 01:20	69.1	↑1.7
2/20 01:30	71.0	↑1.9
2/20 01:40	73.0	↑2.0
2/20 01:50	75.2	↑2.2
2/20 02:00	77.4	↑2.2
2/20 02:10	79.8	↑2.4
2/20 02:20	82.2	↑2.4
2/20 02:30	84.8	↑2.6
2/20 02:40	87.5	↑2.7
2/20 02:50	90.2	↑2.7
2/20 03:00	93.1	↑2.9
2/20 03:10	96.0	↑2.9
2/20 03:20	99.0	↑3.0
2/20 03:30	102.0	↑3.0
2/20 03:40	105.2	↑3.2
2/20 03:50	108.3	↑3.1
2/20 04:00	111.4	↑3.1
2/20 04:10	114.6	↑3.2
2/20 04:20	117.6	↑3.0
2/20 04:30	120.6	↑3.0
2/20 04:40	123.4	↑2.8
2/20 04:50	126.1	↑2.7
2/20 05:00	128.5	↑2.4
2/20 05:10	130.7	↑2.2
2/20 05:20	132.6	↑1.9
2/20 05:30	134.2	↑1.6
2/20 05:40	135.5	↑1.3
2/20 05:50	136.5	↑1.0
2/20 06:00	137.1	↑0.6
2/20 06:10	137.4	↑0.3	満潮
2/20 06:20	137.3	↓-0.1
2/20 06:30	136.9	↓-0.4
2/20 06:40	136.1	↓-0.8
2/20 06:50	135.1	↓-1.0
2/20 07:00	133.8	↓-1.3
2/20 07:10	132.2	↓-1.6
2/20 07:20	130.4	↓-1.8
2/20 07:30	128.4	↓-2.0
2/20 07:40	126.3	↓-2.1
2/20 07:50	123.9	↓-2.4
2/20 08:00	121.5	↓-2.4
2/20 08:10	118.9	↓-2.6
2/20 08:20	116.1	↓-2.8
2/20 08:30	113.3	↓-2.8
2/20 08:40	110.4	↓-2.9
2/20 08:50	107.3	↓-3.1
2/20 09:00	104.2	↓-3.1
2/20 09:10	101.0	↓-3.2
2/20 09:20	97.6	↓-3.4
2/20 09:30	94.2	↓-3.4
2/20 09:40	90.7	↓-3.5
2/20 09:50	87.1	↓-3.6
2/20 10:00	83.5	↓-3.6
2/20 10:10	79.8	↓-3.7	最大潮位差
2/20 10:20	76.1	↓-3.7	最大潮位差
2/20 10:30	72.5	↓-3.6
2/20 10:40	68.9	↓-3.6
2/20 10:50	65.4	↓-3.5
2/20 11:00	61.9	↓-3.5
2/20 11:10	58.7	↓-3.2
2/20 11:20	55.6	↓-3.1
2/20 11:30	52.7	↓-2.9
2/20 11:40	50.1	↓-2.6
2/20 11:50	47.7	↓-2.4
2/20 12:00	45.6	↓-2.1
2/20 12:10	43.8	↓-1.8
2/20 12:20	42.3	↓-1.5
2/20 12:30	41.1	↓-1.2
2/20 12:40	40.1	↓-1.0
2/20 12:50	39.5	↓-0.6
2/20 13:00	39.1	↓-0.4
2/20 13:10	38.9	↓-0.2	干潮
2/20 13:20	39.0	↑0.1
2/20 13:30	39.4	↑0.4
2/20 13:40	39.9	↑0.5
2/20 13:50	40.6	↑0.7
2/20 14:00	41.5	↑0.9
2/20 14:10	42.6	↑1.1
2/20 14:20	43.8	↑1.2
2/20 14:30	45.2	↑1.4
2/20 14:40	46.8	↑1.6
2/20 14:50	48.5	↑1.7
2/20 15:00	50.3	↑1.8
2/20 15:10	52.3	↑2.0
2/20 15:20	54.5	↑2.2
2/20 15:30	56.8	↑2.3
2/20 15:40	59.3	↑2.5
2/20 15:50	61.9	↑2.6
2/20 16:00	64.6	↑2.7
2/20 16:10	67.4	↑2.8
2/20 16:20	70.3	↑2.9
2/20 16:30	73.2	↑2.9
2/20 16:40	76.1	↑2.9
2/20 16:50	79.1	↑3.0
2/20 17:00	82.0	↑2.9
2/20 17:10	84.8	↑2.8
2/20 17:20	87.4	↑2.6
2/20 17:30	89.9	↑2.5
2/20 17:40	92.3	↑2.4
2/20 17:50	94.4	↑2.1
2/20 18:00	96.3	↑1.9
2/20 18:10	97.9	↑1.6
2/20 18:20	99.3	↑1.4
2/20 18:30	100.4	↑1.1
2/20 18:40	101.3	↑0.9
2/20 18:50	101.9	↑0.6
2/20 19:00	102.2	↑0.3
2/20 19:10	102.4	↑0.2	満潮
2/20 19:20	102.3	↓-0.1
2/20 19:30	102.1	↓-0.2
2/20 19:40	101.7	↓-0.4
2/20 19:50	101.1	↓-0.6
2/20 20:00	100.5	↓-0.6
2/20 20:10	99.7	↓-0.8
2/20 20:20	98.8	↓-0.9
2/20 20:30	97.9	↓-0.9
2/20 20:40	96.9	↓-1.0
2/20 20:50	95.8	↓-1.1
2/20 21:00	94.7	↓-1.1
2/20 21:10	93.5	↓-1.2
2/20 21:20	92.3	↓-1.2
2/20 21:30	91.0	↓-1.3
2/20 21:40	89.7	↓-1.3
2/20 21:50	88.2	↓-1.5
2/20 22:00	86.8	↓-1.4
2/20 22:10	85.3	↓-1.5
2/20 22:20	83.8	↓-1.5
2/20 22:30	82.2	↓-1.6
2/20 22:40	80.7	↓-1.5
2/20 22:50	79.2	↓-1.5
2/20 23:00	77.7	↓-1.5
2/20 23:10	76.3	↓-1.4
2/20 23:20	75.1	↓-1.2
2/20 23:30	73.9	↓-1.2
2/20 23:40	72.9	↓-1.0
2/20 23:50	72.1	↓-0.8