20 (月)	08:28	02:02	-	16:55
	122cm	84cm	-	52cm
小潮 出 06:24 入 17:13 出 01:20 入 11:25

苫小牧（北海道）2017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	88.0	↓-0.3
2/20 00:10	87.6	↓-0.4
2/20 00:20	87.2	↓-0.4
2/20 00:30	86.7	↓-0.5
2/20 00:40	86.3	↓-0.4
2/20 00:50	85.8	↓-0.5
2/20 01:00	85.4	↓-0.4
2/20 01:10	85.0	↓-0.4
2/20 01:20	84.6	↓-0.4
2/20 01:30	84.3	↓-0.3
2/20 01:40	84.1	↓-0.2
2/20 01:50	84.0	↓-0.1
2/20 02:00	83.9	↓-0.1	干潮
2/20 02:10	84.0	↑0.1
2/20 02:20	84.1	↑0.1
2/20 02:30	84.3	↑0.2
2/20 02:40	84.6	↑0.3
2/20 02:50	85.0	↑0.4
2/20 03:00	85.5	↑0.5
2/20 03:10	86.1	↑0.6
2/20 03:20	86.8	↑0.7
2/20 03:30	87.5	↑0.7
2/20 03:40	88.3	↑0.8
2/20 03:50	89.2	↑0.9
2/20 04:00	90.1	↑0.9
2/20 04:10	91.1	↑1.0
2/20 04:20	92.2	↑1.1
2/20 04:30	93.3	↑1.1
2/20 04:40	94.5	↑1.2
2/20 04:50	95.8	↑1.3
2/20 05:00	97.1	↑1.3
2/20 05:10	98.4	↑1.3
2/20 05:20	99.8	↑1.4
2/20 05:30	101.3	↑1.5
2/20 05:40	102.8	↑1.5
2/20 05:50	104.4	↑1.6
2/20 06:00	105.9	↑1.5
2/20 06:10	107.5	↑1.6
2/20 06:20	109.0	↑1.5
2/20 06:30	110.6	↑1.6
2/20 06:40	112.1	↑1.5
2/20 06:50	113.5	↑1.4
2/20 07:00	114.9	↑1.4
2/20 07:10	116.1	↑1.2
2/20 07:20	117.3	↑1.2
2/20 07:30	118.3	↑1.0
2/20 07:40	119.1	↑0.8
2/20 07:50	119.9	↑0.8
2/20 08:00	120.4	↑0.5
2/20 08:10	120.8	↑0.4
2/20 08:20	121.0	↑0.2	満潮
2/20 08:30	121.0	0
2/20 08:40	120.9	↓-0.1
2/20 08:50	120.6	↓-0.3
2/20 09:00	120.1	↓-0.5
2/20 09:10	119.5	↓-0.6
2/20 09:20	118.7	↓-0.8
2/20 09:30	117.8	↓-0.9
2/20 09:40	116.7	↓-1.1
2/20 09:50	115.6	↓-1.1
2/20 10:00	114.3	↓-1.3
2/20 10:10	112.9	↓-1.4
2/20 10:20	111.5	↓-1.4
2/20 10:30	109.9	↓-1.6
2/20 10:40	108.3	↓-1.6
2/20 10:50	106.6	↓-1.7
2/20 11:00	104.8	↓-1.8
2/20 11:10	103.0	↓-1.8
2/20 11:20	101.1	↓-1.9
2/20 11:30	99.2	↓-1.9
2/20 11:40	97.1	↓-2.1
2/20 11:50	95.1	↓-2.0
2/20 12:00	93.0	↓-2.1
2/20 12:10	90.8	↓-2.2	最大潮位差
2/20 12:20	88.7	↓-2.1
2/20 12:30	86.5	↓-2.2	最大潮位差
2/20 12:40	84.3	↓-2.2	最大潮位差
2/20 12:50	82.1	↓-2.2	最大潮位差
2/20 13:00	79.9	↓-2.2	最大潮位差
2/20 13:10	77.7	↓-2.2	最大潮位差
2/20 13:20	75.6	↓-2.1
2/20 13:30	73.5	↓-2.1
2/20 13:40	71.5	↓-2.0
2/20 13:50	69.5	↓-2.0
2/20 14:00	67.7	↓-1.8
2/20 14:10	65.9	↓-1.8
2/20 14:20	64.2	↓-1.7
2/20 14:30	62.6	↓-1.6
2/20 14:40	61.1	↓-1.5
2/20 14:50	59.7	↓-1.4
2/20 15:00	58.4	↓-1.3
2/20 15:10	57.3	↓-1.1
2/20 15:20	56.2	↓-1.1
2/20 15:30	55.3	↓-0.9
2/20 15:40	54.4	↓-0.9
2/20 15:50	53.7	↓-0.7
2/20 16:00	53.0	↓-0.7
2/20 16:10	52.5	↓-0.5
2/20 16:20	52.1	↓-0.4
2/20 16:30	51.8	↓-0.3
2/20 16:40	51.6	↓-0.2
2/20 16:50	51.5	↓-0.1	干潮
2/20 17:00	51.5	0
2/20 17:10	51.6	↑0.1
2/20 17:20	51.8	↑0.2
2/20 17:30	52.2	↑0.4
2/20 17:40	52.6	↑0.4
2/20 17:50	53.2	↑0.6
2/20 18:00	53.9	↑0.7
2/20 18:10	54.7	↑0.8
2/20 18:20	55.6	↑0.9
2/20 18:30	56.6	↑1.0
2/20 18:40	57.6	↑1.0
2/20 18:50	58.8	↑1.2
2/20 19:00	60.0	↑1.2
2/20 19:10	61.3	↑1.3
2/20 19:20	62.6	↑1.3
2/20 19:30	64.0	↑1.4
2/20 19:40	65.4	↑1.4
2/20 19:50	66.8	↑1.4
2/20 20:00	68.2	↑1.4
2/20 20:10	69.6	↑1.4
2/20 20:20	71.0	↑1.4
2/20 20:30	72.4	↑1.4
2/20 20:40	73.8	↑1.4
2/20 20:50	75.1	↑1.3
2/20 21:00	76.4	↑1.3
2/20 21:10	77.6	↑1.2
2/20 21:20	78.8	↑1.2
2/20 21:30	80.0	↑1.2
2/20 21:40	81.2	↑1.2
2/20 21:50	82.3	↑1.1
2/20 22:00	83.3	↑1.0
2/20 22:10	84.4	↑1.1
2/20 22:20	85.4	↑1.0
2/20 22:30	86.3	↑0.9
2/20 22:40	87.3	↑1.0
2/20 22:50	88.1	↑0.8
2/20 23:00	89.0	↑0.9
2/20 23:10	89.8	↑0.8
2/20 23:20	90.5	↑0.7
2/20 23:30	91.2	↑0.7
2/20 23:40	91.8	↑0.6
2/20 23:50	92.4	↑0.6