20 (木)	07:48	02:46	-	15:52
	107cm	93cm	-	42cm
小潮 出 04:46 入 18:22 出 01:07 入 11:17

苫小牧（北海道）2017年04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
4/20 00:00	98.2	↓-0.3
4/20 00:10	97.8	↓-0.4
4/20 00:20	97.4	↓-0.4
4/20 00:30	96.9	↓-0.5
4/20 00:40	96.4	↓-0.5
4/20 00:50	95.8	↓-0.6
4/20 01:00	95.3	↓-0.5
4/20 01:10	94.8	↓-0.5
4/20 01:20	94.3	↓-0.5
4/20 01:30	93.8	↓-0.5
4/20 01:40	93.4	↓-0.4
4/20 01:50	93.0	↓-0.4
4/20 02:00	92.7	↓-0.3
4/20 02:10	92.4	↓-0.3
4/20 02:20	92.3	↓-0.1
4/20 02:30	92.1	↓-0.2
4/20 02:40	92.1	0	干潮
4/20 02:50	92.1	0
4/20 03:00	92.1	0
4/20 03:10	92.2	↑0.1
4/20 03:20	92.4	↑0.2
4/20 03:30	92.6	↑0.2
4/20 03:40	92.9	↑0.3
4/20 03:50	93.1	↑0.2
4/20 04:00	93.5	↑0.4
4/20 04:10	93.9	↑0.4
4/20 04:20	94.3	↑0.4
4/20 04:30	94.7	↑0.4
4/20 04:40	95.2	↑0.5
4/20 04:50	95.8	↑0.6
4/20 05:00	96.3	↑0.5
4/20 05:10	97.0	↑0.7
4/20 05:20	97.6	↑0.6
4/20 05:30	98.3	↑0.7
4/20 05:40	99.1	↑0.8
4/20 05:50	99.9	↑0.8
4/20 06:00	100.6	↑0.7
4/20 06:10	101.4	↑0.8
4/20 06:20	102.2	↑0.8
4/20 06:30	103.0	↑0.8
4/20 06:40	103.7	↑0.7
4/20 06:50	104.4	↑0.7
4/20 07:00	105.0	↑0.6
4/20 07:10	105.5	↑0.5
4/20 07:20	105.9	↑0.4
4/20 07:30	106.2	↑0.3
4/20 07:40	106.4	↑0.2	満潮
4/20 07:50	106.4	0
4/20 08:00	106.3	↓-0.1
4/20 08:10	106.1	↓-0.2
4/20 08:20	105.6	↓-0.5
4/20 08:30	105.1	↓-0.5
4/20 08:40	104.4	↓-0.7
4/20 08:50	103.5	↓-0.9
4/20 09:00	102.5	↓-1.0
4/20 09:10	101.4	↓-1.1
4/20 09:20	100.2	↓-1.2
4/20 09:30	98.9	↓-1.3
4/20 09:40	97.5	↓-1.4
4/20 09:50	96.0	↓-1.5
4/20 10:00	94.4	↓-1.6
4/20 10:10	92.8	↓-1.6
4/20 10:20	91.1	↓-1.7
4/20 10:30	89.4	↓-1.7
4/20 10:40	87.6	↓-1.8
4/20 10:50	85.7	↓-1.9
4/20 11:00	83.9	↓-1.8
4/20 11:10	82.0	↓-1.9
4/20 11:20	80.0	↓-2.0
4/20 11:30	78.1	↓-1.9
4/20 11:40	76.1	↓-2.0
4/20 11:50	74.0	↓-2.1	最大潮位差
4/20 12:00	72.0	↓-2.0
4/20 12:10	70.0	↓-2.0
4/20 12:20	67.9	↓-2.1	最大潮位差
4/20 12:30	65.9	↓-2.0
4/20 12:40	63.9	↓-2.0
4/20 12:50	61.9	↓-2.0
4/20 13:00	59.9	↓-2.0
4/20 13:10	58.0	↓-1.9
4/20 13:20	56.2	↓-1.8
4/20 13:30	54.4	↓-1.8
4/20 13:40	52.8	↓-1.6
4/20 13:50	51.2	↓-1.6
4/20 14:00	49.7	↓-1.5
4/20 14:10	48.4	↓-1.3
4/20 14:20	47.2	↓-1.2
4/20 14:30	46.1	↓-1.1
4/20 14:40	45.1	↓-1.0
4/20 14:50	44.2	↓-0.9
4/20 15:00	43.5	↓-0.7
4/20 15:10	42.9	↓-0.6
4/20 15:20	42.5	↓-0.4
4/20 15:30	42.2	↓-0.3
4/20 15:40	42.0	↓-0.2
4/20 15:50	41.9	↓-0.1	干潮
4/20 16:00	42.0	↑0.1
4/20 16:10	42.1	↑0.1
4/20 16:20	42.4	↑0.3
4/20 16:30	42.9	↑0.5
4/20 16:40	43.4	↑0.5
4/20 16:50	44.0	↑0.6
4/20 17:00	44.8	↑0.8
4/20 17:10	45.7	↑0.9
4/20 17:20	46.7	↑1.0
4/20 17:30	47.9	↑1.2
4/20 17:40	49.1	↑1.2
4/20 17:50	50.5	↑1.4
4/20 18:00	52.0	↑1.5
4/20 18:10	53.6	↑1.6
4/20 18:20	55.2	↑1.6
4/20 18:30	57.0	↑1.8
4/20 18:40	58.8	↑1.8
4/20 18:50	60.7	↑1.9
4/20 19:00	62.7	↑2.0
4/20 19:10	64.7	↑2.0
4/20 19:20	66.7	↑2.0
4/20 19:30	68.7	↑2.0
4/20 19:40	70.8	↑2.1	最大潮位差
4/20 19:50	72.8	↑2.0
4/20 20:00	74.8	↑2.0
4/20 20:10	76.7	↑1.9
4/20 20:20	78.6	↑1.9
4/20 20:30	80.5	↑1.9
4/20 20:40	82.2	↑1.7
4/20 20:50	84.0	↑1.8
4/20 21:00	85.6	↑1.6
4/20 21:10	87.2	↑1.6
4/20 21:20	88.7	↑1.5
4/20 21:30	90.1	↑1.4
4/20 21:40	91.5	↑1.4
4/20 21:50	92.8	↑1.3
4/20 22:00	94.0	↑1.2
4/20 22:10	95.1	↑1.1
4/20 22:20	96.2	↑1.1
4/20 22:30	97.1	↑0.9
4/20 22:40	98.1	↑1.0
4/20 22:50	98.9	↑0.8
4/20 23:00	99.7	↑0.8
4/20 23:10	100.3	↑0.6
4/20 23:20	100.9	↑0.6
4/20 23:30	101.4	↑0.5
4/20 23:40	101.8	↑0.4
4/20 23:50	102.2	↑0.4