13 (木)	06:18	00:09	18:58	12:51
	137cm	50cm	109cm	40cm
小潮 出 06:34 入 17:04 出 23:21 入 08:54

苫小牧（北海道）2031年02月13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
2/13 00:00	49.7	↓-0.4	干潮
2/13 00:10	49.6	↓-0.1
2/13 00:20	49.9	↑0.3
2/13 00:30	50.4	↑0.5
2/13 00:40	51.3	↑0.9
2/13 00:50	52.4	↑1.1
2/13 01:00	53.8	↑1.4
2/13 01:10	55.5	↑1.7
2/13 01:20	57.4	↑1.9
2/13 01:30	59.5	↑2.1
2/13 01:40	61.7	↑2.2
2/13 01:50	64.2	↑2.5
2/13 02:00	66.7	↑2.5
2/13 02:10	69.4	↑2.7
2/13 02:20	72.3	↑2.9
2/13 02:30	75.2	↑2.9
2/13 02:40	78.3	↑3.1
2/13 02:50	81.5	↑3.2
2/13 03:00	84.7	↑3.2
2/13 03:10	88.1	↑3.4
2/13 03:20	91.5	↑3.4
2/13 03:30	95.0	↑3.5
2/13 03:40	98.6	↑3.6
2/13 03:50	102.2	↑3.6
2/13 04:00	105.7	↑3.5
2/13 04:10	109.3	↑3.6
2/13 04:20	112.8	↑3.5
2/13 04:30	116.2	↑3.4
2/13 04:40	119.5	↑3.3
2/13 04:50	122.6	↑3.1
2/13 05:00	125.5	↑2.9
2/13 05:10	128.1	↑2.6
2/13 05:20	130.5	↑2.4
2/13 05:30	132.5	↑2.0
2/13 05:40	134.1	↑1.6
2/13 05:50	135.4	↑1.3
2/13 06:00	136.2	↑0.8
2/13 06:10	136.7	↑0.5	満潮
2/13 06:20	136.8	↑0.1
2/13 06:30	136.5	↓-0.3
2/13 06:40	135.8	↓-0.7
2/13 06:50	134.8	↓-1.0
2/13 07:00	133.4	↓-1.4
2/13 07:10	131.7	↓-1.7
2/13 07:20	129.8	↓-1.9
2/13 07:30	127.6	↓-2.2
2/13 07:40	125.1	↓-2.5
2/13 07:50	122.5	↓-2.6
2/13 08:00	119.7	↓-2.8
2/13 08:10	116.8	↓-2.9
2/13 08:20	113.8	↓-3.0
2/13 08:30	110.6	↓-3.2
2/13 08:40	107.4	↓-3.2
2/13 08:50	104.0	↓-3.4
2/13 09:00	100.6	↓-3.4
2/13 09:10	97.2	↓-3.4
2/13 09:20	93.6	↓-3.6
2/13 09:30	90.0	↓-3.6
2/13 09:40	86.4	↓-3.6
2/13 09:50	82.7	↓-3.7	最大潮位差
2/13 10:00	79.0	↓-3.7	最大潮位差
2/13 10:10	75.3	↓-3.7	最大潮位差
2/13 10:20	71.6	↓-3.7	最大潮位差
2/13 10:30	68.0	↓-3.6
2/13 10:40	64.5	↓-3.5
2/13 10:50	61.1	↓-3.4
2/13 11:00	57.8	↓-3.3
2/13 11:10	54.7	↓-3.1
2/13 11:20	51.8	↓-2.9
2/13 11:30	49.2	↓-2.6
2/13 11:40	46.8	↓-2.4
2/13 11:50	44.8	↓-2.0
2/13 12:00	43.0	↓-1.8
2/13 12:10	41.6	↓-1.4
2/13 12:20	40.4	↓-1.2
2/13 12:30	39.7	↓-0.7
2/13 12:40	39.2	↓-0.5
2/13 12:50	39.0	↓-0.2	干潮
2/13 13:00	39.2	↑0.2
2/13 13:10	39.6	↑0.4
2/13 13:20	40.3	↑0.7
2/13 13:30	41.2	↑0.9
2/13 13:40	42.3	↑1.1
2/13 13:50	43.7	↑1.4
2/13 14:00	45.2	↑1.5
2/13 14:10	46.8	↑1.6
2/13 14:20	48.6	↑1.8
2/13 14:30	50.6	↑2.0
2/13 14:40	52.6	↑2.0
2/13 14:50	54.8	↑2.2
2/13 15:00	57.0	↑2.2
2/13 15:10	59.4	↑2.4
2/13 15:20	61.9	↑2.5
2/13 15:30	64.5	↑2.6
2/13 15:40	67.2	↑2.7
2/13 15:50	69.9	↑2.7
2/13 16:00	72.8	↑2.9
2/13 16:10	75.7	↑2.9
2/13 16:20	78.6	↑2.9
2/13 16:30	81.5	↑2.9
2/13 16:40	84.5	↑3.0
2/13 16:50	87.4	↑2.9
2/13 17:00	90.2	↑2.8
2/13 17:10	92.9	↑2.7
2/13 17:20	95.5	↑2.6
2/13 17:30	97.9	↑2.4
2/13 17:40	100.1	↑2.2
2/13 17:50	102.1	↑2.0
2/13 18:00	103.8	↑1.7
2/13 18:10	105.3	↑1.5
2/13 18:20	106.4	↑1.1
2/13 18:30	107.3	↑0.9
2/13 18:40	107.9	↑0.6
2/13 18:50	108.2	↑0.3	満潮
2/13 19:00	108.3	↑0.1
2/13 19:10	108.1	↓-0.2
2/13 19:20	107.6	↓-0.5
2/13 19:30	107.0	↓-0.6
2/13 19:40	106.2	↓-0.8
2/13 19:50	105.2	↓-1.0
2/13 20:00	104.0	↓-1.2
2/13 20:10	102.8	↓-1.2
2/13 20:20	101.4	↓-1.4
2/13 20:30	100.0	↓-1.4
2/13 20:40	98.5	↓-1.5
2/13 20:50	96.9	↓-1.6
2/13 21:00	95.3	↓-1.6
2/13 21:10	93.7	↓-1.6
2/13 21:20	92.0	↓-1.7
2/13 21:30	90.2	↓-1.8
2/13 21:40	88.4	↓-1.8
2/13 21:50	86.6	↓-1.8
2/13 22:00	84.7	↓-1.9
2/13 22:10	82.8	↓-1.9
2/13 22:20	80.9	↓-1.9
2/13 22:30	78.9	↓-2.0
2/13 22:40	77.0	↓-1.9
2/13 22:50	75.1	↓-1.9
2/13 23:00	73.2	↓-1.9
2/13 23:10	71.4	↓-1.8
2/13 23:20	69.7	↓-1.7
2/13 23:30	68.2	↓-1.5
2/13 23:40	66.8	↓-1.4
2/13 23:50	65.5	↓-1.3