7 (火)	04:00	08:07	13:38	21:08
	120cm	97cm	138cm	12cm
大潮 出 07:03 入 16:18 出 15:07 入 05:34

苫小牧（北海道）2031年01月7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
1/7 00:00	68.9	↑4.0
1/7 00:10	72.9	↑4.0
1/7 00:20	76.8	↑3.9
1/7 00:30	80.6	↑3.8
1/7 00:40	84.3	↑3.7
1/7 00:50	87.8	↑3.5
1/7 01:00	91.1	↑3.3
1/7 01:10	94.2	↑3.1
1/7 01:20	97.2	↑3.0
1/7 01:30	100.0	↑2.8
1/7 01:40	102.5	↑2.5
1/7 01:50	104.9	↑2.4
1/7 02:00	107.1	↑2.2
1/7 02:10	109.1	↑2.0
1/7 02:20	111.0	↑1.9
1/7 02:30	112.6	↑1.6
1/7 02:40	114.1	↑1.5
1/7 02:50	115.5	↑1.4
1/7 03:00	116.6	↑1.1
1/7 03:10	117.6	↑1.0
1/7 03:20	118.4	↑0.8
1/7 03:30	119.1	↑0.7
1/7 03:40	119.5	↑0.4
1/7 03:50	119.8	↑0.3	満潮
1/7 04:00	119.9	↑0.1	満潮
1/7 04:10	119.8	↓-0.1
1/7 04:20	119.4	↓-0.4
1/7 04:30	118.9	↓-0.5
1/7 04:40	118.2	↓-0.7
1/7 04:50	117.3	↓-0.9
1/7 05:00	116.2	↓-1.1
1/7 05:10	115.0	↓-1.2
1/7 05:20	113.7	↓-1.3
1/7 05:30	112.2	↓-1.5
1/7 05:40	110.7	↓-1.5
1/7 05:50	109.1	↓-1.6
1/7 06:00	107.5	↓-1.6
1/7 06:10	106.0	↓-1.5
1/7 06:20	104.4	↓-1.6
1/7 06:30	103.0	↓-1.4
1/7 06:40	101.6	↓-1.4
1/7 06:50	100.4	↓-1.2
1/7 07:00	99.3	↓-1.1
1/7 07:10	98.4	↓-0.9
1/7 07:20	97.6	↓-0.8
1/7 07:30	97.0	↓-0.6
1/7 07:40	96.5	↓-0.5
1/7 07:50	96.2	↓-0.3
1/7 08:00	96.0	↓-0.2	干潮
1/7 08:10	96.0	0
1/7 08:20	96.2	↑0.2
1/7 08:30	96.4	↑0.2
1/7 08:40	96.8	↑0.4
1/7 08:50	97.3	↑0.5
1/7 09:00	97.8	↑0.5
1/7 09:10	98.5	↑0.7
1/7 09:20	99.3	↑0.8
1/7 09:30	100.2	↑0.9
1/7 09:40	101.2	↑1.0
1/7 09:50	102.4	↑1.2
1/7 10:00	103.6	↑1.2
1/7 10:10	105.0	↑1.4
1/7 10:20	106.5	↑1.5
1/7 10:30	108.1	↑1.6
1/7 10:40	109.8	↑1.7
1/7 10:50	111.6	↑1.8
1/7 11:00	113.6	↑2.0
1/7 11:10	115.6	↑2.0
1/7 11:20	117.7	↑2.1
1/7 11:30	119.8	↑2.1
1/7 11:40	122.0	↑2.2
1/7 11:50	124.1	↑2.1
1/7 12:00	126.2	↑2.1
1/7 12:10	128.2	↑2.0
1/7 12:20	130.0	↑1.8
1/7 12:30	131.8	↑1.8
1/7 12:40	133.3	↑1.5
1/7 12:50	134.6	↑1.3
1/7 13:00	135.8	↑1.2
1/7 13:10	136.6	↑0.8
1/7 13:20	137.2	↑0.6
1/7 13:30	137.5	↑0.3	満潮
1/7 13:40	137.6	↑0.1
1/7 13:50	137.4	↓-0.2
1/7 14:00	136.9	↓-0.5
1/7 14:10	136.2	↓-0.7
1/7 14:20	135.2	↓-1.0
1/7 14:30	134.0	↓-1.2
1/7 14:40	132.6	↓-1.4
1/7 14:50	131.0	↓-1.6
1/7 15:00	129.1	↓-1.9
1/7 15:10	127.0	↓-2.1
1/7 15:20	124.8	↓-2.2
1/7 15:30	122.3	↓-2.5
1/7 15:40	119.7	↓-2.6
1/7 15:50	116.9	↓-2.8
1/7 16:00	113.8	↓-3.1
1/7 16:10	110.6	↓-3.2
1/7 16:20	107.2	↓-3.4
1/7 16:30	103.5	↓-3.7
1/7 16:40	99.7	↓-3.8
1/7 16:50	95.7	↓-4.0
1/7 17:00	91.5	↓-4.2
1/7 17:10	87.1	↓-4.4
1/7 17:20	82.6	↓-4.5
1/7 17:30	77.9	↓-4.7
1/7 17:40	73.2	↓-4.7
1/7 17:50	68.4	↓-4.8	最大潮位差
1/7 18:00	63.6	↓-4.8	最大潮位差
1/7 18:10	58.9	↓-4.7
1/7 18:20	54.2	↓-4.7
1/7 18:30	49.5	↓-4.7
1/7 18:40	45.1	↓-4.4
1/7 18:50	40.8	↓-4.3
1/7 19:00	36.8	↓-4.0
1/7 19:10	33.0	↓-3.8
1/7 19:20	29.5	↓-3.5
1/7 19:30	26.2	↓-3.3
1/7 19:40	23.3	↓-2.9
1/7 19:50	20.7	↓-2.6
1/7 20:00	18.5	↓-2.2
1/7 20:10	16.5	↓-2.0
1/7 20:20	14.9	↓-1.6
1/7 20:30	13.7	↓-1.2
1/7 20:40	12.7	↓-1.0
1/7 20:50	12.0	↓-0.7
1/7 21:00	11.7	↓-0.3	干潮
1/7 21:10	11.6	↓-0.1
1/7 21:20	11.8	↑0.2
1/7 21:30	12.3	↑0.5
1/7 21:40	13.1	↑0.8
1/7 21:50	14.2	↑1.1
1/7 22:00	15.5	↑1.3
1/7 22:10	17.2	↑1.7
1/7 22:20	19.1	↑1.9
1/7 22:30	21.4	↑2.3
1/7 22:40	23.9	↑2.5
1/7 22:50	26.8	↑2.9
1/7 23:00	29.9	↑3.1
1/7 23:10	33.3	↑3.4
1/7 23:20	36.9	↑3.6
1/7 23:30	40.8	↑3.9
1/7 23:40	44.9	↑4.1
1/7 23:50	49.2	↑4.3