29 (金)	00:47	07:12	13:21	18:58
	113cm	52cm	105cm	63cm
中潮 出 04:33 入 18:31 出 02:19 入 14:45

苫小牧（北海道）2011年04月29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
4/29 00:00	110.9	↑0.9
4/29 00:10	111.6	↑0.7
4/29 00:20	112.1	↑0.5
4/29 00:30	112.4	↑0.3
4/29 00:40	112.6	↑0.2	満潮
4/29 00:50	112.6	0
4/29 01:00	112.5	↓-0.1
4/29 01:10	112.2	↓-0.3
4/29 01:20	111.7	↓-0.5
4/29 01:30	111.0	↓-0.7
4/29 01:40	110.1	↓-0.9
4/29 01:50	109.1	↓-1.0
4/29 02:00	107.9	↓-1.2
4/29 02:10	106.5	↓-1.4
4/29 02:20	105.0	↓-1.5
4/29 02:30	103.3	↓-1.7
4/29 02:40	101.5	↓-1.8
4/29 02:50	99.5	↓-2.0
4/29 03:00	97.4	↓-2.1
4/29 03:10	95.2	↓-2.2
4/29 03:20	92.8	↓-2.4
4/29 03:30	90.4	↓-2.4
4/29 03:40	87.9	↓-2.5
4/29 03:50	85.4	↓-2.5
4/29 04:00	82.8	↓-2.6	最大潮位差
4/29 04:10	80.2	↓-2.6	最大潮位差
4/29 04:20	77.6	↓-2.6	最大潮位差
4/29 04:30	75.0	↓-2.6	最大潮位差
4/29 04:40	72.5	↓-2.5
4/29 04:50	70.0	↓-2.5
4/29 05:00	67.7	↓-2.3
4/29 05:10	65.4	↓-2.3
4/29 05:20	63.3	↓-2.1
4/29 05:30	61.3	↓-2.0
4/29 05:40	59.5	↓-1.8
4/29 05:50	57.9	↓-1.6
4/29 06:00	56.4	↓-1.5
4/29 06:10	55.1	↓-1.3
4/29 06:20	54.0	↓-1.1
4/29 06:30	53.1	↓-0.9
4/29 06:40	52.4	↓-0.7
4/29 06:50	51.9	↓-0.5
4/29 07:00	51.6	↓-0.3
4/29 07:10	51.5	↓-0.1	干潮
4/29 07:20	51.6	↑0.1
4/29 07:30	51.8	↑0.2
4/29 07:40	52.3	↑0.5
4/29 07:50	53.0	↑0.7
4/29 08:00	53.8	↑0.8
4/29 08:10	54.8	↑1.0
4/29 08:20	56.0	↑1.2
4/29 08:30	57.4	↑1.4
4/29 08:40	58.9	↑1.5
4/29 08:50	60.6	↑1.7
4/29 09:00	62.4	↑1.8
4/29 09:10	64.3	↑1.9
4/29 09:20	66.4	↑2.1
4/29 09:30	68.5	↑2.1
4/29 09:40	70.7	↑2.2
4/29 09:50	73.0	↑2.3
4/29 10:00	75.4	↑2.4
4/29 10:10	77.7	↑2.3
4/29 10:20	80.1	↑2.4
4/29 10:30	82.4	↑2.3
4/29 10:40	84.7	↑2.3
4/29 10:50	87.0	↑2.3
4/29 11:00	89.1	↑2.1
4/29 11:10	91.2	↑2.1
4/29 11:20	93.2	↑2.0
4/29 11:30	95.0	↑1.8
4/29 11:40	96.7	↑1.7
4/29 11:50	98.3	↑1.6
4/29 12:00	99.7	↑1.4
4/29 12:10	100.9	↑1.2
4/29 12:20	102.0	↑1.1
4/29 12:30	102.9	↑0.9
4/29 12:40	103.7	↑0.8
4/29 12:50	104.2	↑0.5
4/29 13:00	104.6	↑0.4
4/29 13:10	104.9	↑0.3
4/29 13:20	105.0	↑0.1	満潮
4/29 13:30	104.9	↓-0.1
4/29 13:40	104.6	↓-0.3
4/29 13:50	104.2	↓-0.4
4/29 14:00	103.7	↓-0.5
4/29 14:10	103.0	↓-0.7
4/29 14:20	102.1	↓-0.9
4/29 14:30	101.1	↓-1.0
4/29 14:40	99.9	↓-1.2
4/29 14:50	98.6	↓-1.3
4/29 15:00	97.2	↓-1.4
4/29 15:10	95.6	↓-1.6
4/29 15:20	93.9	↓-1.7
4/29 15:30	92.1	↓-1.8
4/29 15:40	90.2	↓-1.9
4/29 15:50	88.2	↓-2.0
4/29 16:00	86.2	↓-2.0
4/29 16:10	84.1	↓-2.1
4/29 16:20	82.1	↓-2.0
4/29 16:30	80.0	↓-2.1
4/29 16:40	77.9	↓-2.1
4/29 16:50	75.9	↓-2.0
4/29 17:00	74.0	↓-1.9
4/29 17:10	72.2	↓-1.8
4/29 17:20	70.5	↓-1.7
4/29 17:30	68.9	↓-1.6
4/29 17:40	67.4	↓-1.5
4/29 17:50	66.1	↓-1.3
4/29 18:00	65.0	↓-1.1
4/29 18:10	64.0	↓-1.0
4/29 18:20	63.3	↓-0.7
4/29 18:30	62.7	↓-0.6
4/29 18:40	62.3	↓-0.4
4/29 18:50	62.1	↓-0.2	干潮
4/29 19:00	62.0	↓-0.1
4/29 19:10	62.2	↑0.2
4/29 19:20	62.5	↑0.3
4/29 19:30	63.0	↑0.5
4/29 19:40	63.6	↑0.6
4/29 19:50	64.4	↑0.8
4/29 20:00	65.4	↑1.0
4/29 20:10	66.5	↑1.1
4/29 20:20	67.7	↑1.2
4/29 20:30	69.2	↑1.5
4/29 20:40	70.7	↑1.5
4/29 20:50	72.4	↑1.7
4/29 21:00	74.2	↑1.8
4/29 21:10	76.1	↑1.9
4/29 21:20	78.2	↑2.1
4/29 21:30	80.3	↑2.1
4/29 21:40	82.5	↑2.2
4/29 21:50	84.9	↑2.4
4/29 22:00	87.2	↑2.3
4/29 22:10	89.7	↑2.5
4/29 22:20	92.1	↑2.4
4/29 22:30	94.6	↑2.5
4/29 22:40	97.0	↑2.4
4/29 22:50	99.4	↑2.4
4/29 23:00	101.7	↑2.3
4/29 23:10	103.9	↑2.2
4/29 23:20	106.0	↑2.1
4/29 23:30	108.0	↑2.0
4/29 23:40	109.9	↑1.9
4/29 23:50	111.6	↑1.7