18 (木)	04:18	09:44	15:27	22:06
	128cm	65cm	138cm	20cm
大潮 出 06:26 入 17:11 出 17:47 入 06:06

苫小牧（北海道）2049年02月18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
2/18 00:00	47.1	↑4.0
2/18 00:10	51.2	↑4.1
2/18 00:20	55.6	↑4.4
2/18 00:30	60.2	↑4.6
2/18 00:40	64.8	↑4.6
2/18 00:50	69.6	↑4.8
2/18 01:00	74.4	↑4.8
2/18 01:10	79.2	↑4.8
2/18 01:20	84.0	↑4.8
2/18 01:30	88.6	↑4.6
2/18 01:40	93.1	↑4.5
2/18 01:50	97.4	↑4.3
2/18 02:00	101.5	↑4.1
2/18 02:10	105.2	↑3.7
2/18 02:20	108.8	↑3.6
2/18 02:30	111.9	↑3.1
2/18 02:40	114.8	↑2.9
2/18 02:50	117.4	↑2.6
2/18 03:00	119.6	↑2.2
2/18 03:10	121.5	↑1.9
2/18 03:20	123.1	↑1.6
2/18 03:30	124.4	↑1.3
2/18 03:40	125.4	↑1.0
2/18 03:50	126.2	↑0.8
2/18 04:00	126.7	↑0.5
2/18 04:10	127.0	↑0.3	満潮
2/18 04:20	127.0	0
2/18 04:30	126.8	↓-0.2
2/18 04:40	126.4	↓-0.4
2/18 04:50	125.8	↓-0.6
2/18 05:00	124.9	↓-0.9
2/18 05:10	123.8	↓-1.1
2/18 05:20	122.5	↓-1.3
2/18 05:30	121.0	↓-1.5
2/18 05:40	119.2	↓-1.8
2/18 05:50	117.2	↓-2.0
2/18 06:00	114.9	↓-2.3
2/18 06:10	112.4	↓-2.5
2/18 06:20	109.7	↓-2.7
2/18 06:30	106.9	↓-2.8
2/18 06:40	103.8	↓-3.1
2/18 06:50	100.7	↓-3.1
2/18 07:00	97.5	↓-3.2
2/18 07:10	94.2	↓-3.3
2/18 07:20	90.9	↓-3.3
2/18 07:30	87.6	↓-3.3
2/18 07:40	84.5	↓-3.1
2/18 07:50	81.5	↓-3.0
2/18 08:00	78.6	↓-2.9
2/18 08:10	76.0	↓-2.6
2/18 08:20	73.6	↓-2.4
2/18 08:30	71.4	↓-2.2
2/18 08:40	69.5	↓-1.9
2/18 08:50	68.0	↓-1.5
2/18 09:00	66.7	↓-1.3
2/18 09:10	65.7	↓-1.0
2/18 09:20	64.9	↓-0.8
2/18 09:30	64.5	↓-0.4
2/18 09:40	64.3	↓-0.2	干潮
2/18 09:50	64.4	↑0.1
2/18 10:00	64.6	↑0.2
2/18 10:10	65.2	↑0.6
2/18 10:20	65.9	↑0.7
2/18 10:30	66.8	↑0.9
2/18 10:40	67.9	↑1.1
2/18 10:50	69.2	↑1.3
2/18 11:00	70.8	↑1.6
2/18 11:10	72.5	↑1.7
2/18 11:20	74.4	↑1.9
2/18 11:30	76.5	↑2.1
2/18 11:40	78.8	↑2.3
2/18 11:50	81.4	↑2.6
2/18 12:00	84.1	↑2.7
2/18 12:10	87.0	↑2.9
2/18 12:20	90.1	↑3.1
2/18 12:30	93.4	↑3.3
2/18 12:40	96.8	↑3.4
2/18 12:50	100.4	↑3.6
2/18 13:00	104.0	↑3.6
2/18 13:10	107.6	↑3.6
2/18 13:20	111.2	↑3.6
2/18 13:30	114.8	↑3.6
2/18 13:40	118.2	↑3.4
2/18 13:50	121.5	↑3.3
2/18 14:00	124.6	↑3.1
2/18 14:10	127.4	↑2.8
2/18 14:20	129.9	↑2.5
2/18 14:30	132.1	↑2.2
2/18 14:40	134.0	↑1.9
2/18 14:50	135.5	↑1.5
2/18 15:00	136.6	↑1.1
2/18 15:10	137.3	↑0.7
2/18 15:20	137.7	↑0.4	満潮
2/18 15:30	137.7	0
2/18 15:40	137.4	↓-0.3
2/18 15:50	136.8	↓-0.6
2/18 16:00	135.8	↓-1.0
2/18 16:10	134.5	↓-1.3
2/18 16:20	133.0	↓-1.5
2/18 16:30	131.2	↓-1.8
2/18 16:40	129.2	↓-2.0
2/18 16:50	126.9	↓-2.3
2/18 17:00	124.4	↓-2.5
2/18 17:10	121.7	↓-2.7
2/18 17:20	118.8	↓-2.9
2/18 17:30	115.6	↓-3.2
2/18 17:40	112.2	↓-3.4
2/18 17:50	108.6	↓-3.6
2/18 18:00	104.8	↓-3.8
2/18 18:10	100.8	↓-4.0
2/18 18:20	96.5	↓-4.3
2/18 18:30	92.1	↓-4.4
2/18 18:40	87.5	↓-4.6
2/18 18:50	82.7	↓-4.8
2/18 19:00	77.9	↓-4.8
2/18 19:10	73.0	↓-4.9
2/18 19:20	68.0	↓-5.0	最大潮位差
2/18 19:30	63.1	↓-4.9
2/18 19:40	58.2	↓-4.9
2/18 19:50	53.5	↓-4.7
2/18 20:00	48.9	↓-4.6
2/18 20:10	44.6	↓-4.3
2/18 20:20	40.5	↓-4.1
2/18 20:30	36.7	↓-3.8
2/18 20:40	33.2	↓-3.5
2/18 20:50	30.2	↓-3.0
2/18 21:00	27.5	↓-2.7
2/18 21:10	25.1	↓-2.4
2/18 21:20	23.2	↓-1.9
2/18 21:30	21.7	↓-1.5
2/18 21:40	20.6	↓-1.1
2/18 21:50	19.9	↓-0.7
2/18 22:00	19.5	↓-0.4	干潮
2/18 22:10	19.5	0
2/18 22:20	19.8	↑0.3
2/18 22:30	20.5	↑0.7
2/18 22:40	21.4	↑0.9
2/18 22:50	22.7	↑1.3
2/18 23:00	24.2	↑1.5
2/18 23:10	26.0	↑1.8
2/18 23:20	28.1	↑2.1
2/18 23:30	30.5	↑2.4
2/18 23:40	33.2	↑2.7
2/18 23:50	36.1	↑2.9