20 (日)	06:12	00:05	18:42	12:38
	133cm	51cm	110cm	45cm
中潮 出 06:24 入 17:13 出 22:58 入 08:55

苫小牧（北海道）2033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	50.1	↓-0.3	干潮
2/20 00:10	50.2	↑0.1
2/20 00:20	50.5	↑0.3
2/20 00:30	51.2	↑0.7
2/20 00:40	52.1	↑0.9
2/20 00:50	53.3	↑1.2
2/20 01:00	54.7	↑1.4
2/20 01:10	56.4	↑1.7
2/20 01:20	58.2	↑1.8
2/20 01:30	60.2	↑2.0
2/20 01:40	62.4	↑2.2
2/20 01:50	64.7	↑2.3
2/20 02:00	67.2	↑2.5
2/20 02:10	69.7	↑2.5
2/20 02:20	72.4	↑2.7
2/20 02:30	75.2	↑2.8
2/20 02:40	78.1	↑2.9
2/20 02:50	81.1	↑3.0
2/20 03:00	84.2	↑3.1
2/20 03:10	87.4	↑3.2
2/20 03:20	90.7	↑3.3
2/20 03:30	94.0	↑3.3
2/20 03:40	97.5	↑3.5	最大潮位差
2/20 03:50	100.9	↑3.4
2/20 04:00	104.4	↑3.5	最大潮位差
2/20 04:10	107.8	↑3.4
2/20 04:20	111.1	↑3.3
2/20 04:30	114.4	↑3.3
2/20 04:40	117.4	↑3.0
2/20 04:50	120.3	↑2.9
2/20 05:00	123.0	↑2.7
2/20 05:10	125.4	↑2.4
2/20 05:20	127.4	↑2.0
2/20 05:30	129.2	↑1.8
2/20 05:40	130.6	↑1.4
2/20 05:50	131.6	↑1.0
2/20 06:00	132.2	↑0.6
2/20 06:10	132.4	↑0.2	満潮
2/20 06:20	132.3	↓-0.1
2/20 06:30	131.8	↓-0.5
2/20 06:40	131.0	↓-0.8
2/20 06:50	129.8	↓-1.2
2/20 07:00	128.3	↓-1.5
2/20 07:10	126.6	↓-1.7
2/20 07:20	124.7	↓-1.9
2/20 07:30	122.5	↓-2.2
2/20 07:40	120.2	↓-2.3
2/20 07:50	117.8	↓-2.4
2/20 08:00	115.2	↓-2.6
2/20 08:10	112.5	↓-2.7
2/20 08:20	109.7	↓-2.8
2/20 08:30	106.8	↓-2.9
2/20 08:40	103.8	↓-3.0
2/20 08:50	100.8	↓-3.0
2/20 09:00	97.7	↓-3.1
2/20 09:10	94.5	↓-3.2
2/20 09:20	91.3	↓-3.2
2/20 09:30	88.0	↓-3.3
2/20 09:40	84.7	↓-3.3
2/20 09:50	81.3	↓-3.4
2/20 10:00	77.9	↓-3.4
2/20 10:10	74.6	↓-3.3
2/20 10:20	71.3	↓-3.3
2/20 10:30	68.0	↓-3.3
2/20 10:40	64.8	↓-3.2
2/20 10:50	61.8	↓-3.0
2/20 11:00	58.9	↓-2.9
2/20 11:10	56.2	↓-2.7
2/20 11:20	53.8	↓-2.4
2/20 11:30	51.6	↓-2.2
2/20 11:40	49.7	↓-1.9
2/20 11:50	48.1	↓-1.6
2/20 12:00	46.7	↓-1.4
2/20 12:10	45.7	↓-1.0
2/20 12:20	45.1	↓-0.6
2/20 12:30	44.7	↓-0.4	干潮
2/20 12:40	44.6	↓-0.1
2/20 12:50	44.8	↑0.2
2/20 13:00	45.3	↑0.5
2/20 13:10	46.0	↑0.7
2/20 13:20	47.0	↑1.0
2/20 13:30	48.1	↑1.1
2/20 13:40	49.4	↑1.3
2/20 13:50	50.9	↑1.5
2/20 14:00	52.5	↑1.6
2/20 14:10	54.2	↑1.7
2/20 14:20	56.0	↑1.8
2/20 14:30	58.0	↑2.0
2/20 14:40	60.0	↑2.0
2/20 14:50	62.2	↑2.2
2/20 15:00	64.4	↑2.2
2/20 15:10	66.7	↑2.3
2/20 15:20	69.2	↑2.5
2/20 15:30	71.7	↑2.5
2/20 15:40	74.3	↑2.6
2/20 15:50	76.9	↑2.6
2/20 16:00	79.7	↑2.8
2/20 16:10	82.4	↑2.7
2/20 16:20	85.2	↑2.8
2/20 16:30	88.0	↑2.8
2/20 16:40	90.8	↑2.8
2/20 16:50	93.4	↑2.6
2/20 17:00	96.0	↑2.6
2/20 17:10	98.5	↑2.5
2/20 17:20	100.8	↑2.3
2/20 17:30	102.8	↑2.0
2/20 17:40	104.7	↑1.9
2/20 17:50	106.3	↑1.6
2/20 18:00	107.6	↑1.3
2/20 18:10	108.6	↑1.0
2/20 18:20	109.4	↑0.8
2/20 18:30	109.8	↑0.4
2/20 18:40	110.0	↑0.2	満潮
2/20 18:50	109.9	↓-0.1
2/20 19:00	109.5	↓-0.4
2/20 19:10	108.9	↓-0.6
2/20 19:20	108.1	↓-0.8
2/20 19:30	107.2	↓-0.9
2/20 19:40	106.0	↓-1.2
2/20 19:50	104.8	↓-1.2
2/20 20:00	103.4	↓-1.4
2/20 20:10	101.9	↓-1.5
2/20 20:20	100.4	↓-1.5
2/20 20:30	98.8	↓-1.6
2/20 20:40	97.1	↓-1.7
2/20 20:50	95.4	↓-1.7
2/20 21:00	93.7	↓-1.7
2/20 21:10	91.9	↓-1.8
2/20 21:20	90.1	↓-1.8
2/20 21:30	88.2	↓-1.9
2/20 21:40	86.3	↓-1.9
2/20 21:50	84.4	↓-1.9
2/20 22:00	82.4	↓-2.0
2/20 22:10	80.4	↓-2.0
2/20 22:20	78.3	↓-2.1
2/20 22:30	76.3	↓-2.0
2/20 22:40	74.3	↓-2.0
2/20 22:50	72.3	↓-2.0
2/20 23:00	70.4	↓-1.9
2/20 23:10	68.5	↓-1.9
2/20 23:20	66.8	↓-1.7
2/20 23:30	65.3	↓-1.5
2/20 23:40	63.9	↓-1.4
2/20 23:50	62.8	↓-1.1