31 (金)	01:19	03:58	10:17	18:43
	97cm	93cm	135cm	28cm
若潮 出 07:03 入 16:11 出 02:48 入 12:30

苫小牧（北海道）2010年12月31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
12/31 00:00	93.7	↑0.8
12/31 00:10	94.4	↑0.7
12/31 00:20	95.0	↑0.6
12/31 00:30	95.5	↑0.5
12/31 00:40	95.9	↑0.4
12/31 00:50	96.2	↑0.3
12/31 01:00	96.4	↑0.2
12/31 01:10	96.5	↑0.1	満潮
12/31 01:20	96.5	0
12/31 01:30	96.4	↓-0.1
12/31 01:40	96.3	↓-0.1
12/31 01:50	96.1	↓-0.2
12/31 02:00	95.9	↓-0.2
12/31 02:10	95.6	↓-0.3
12/31 02:20	95.3	↓-0.3
12/31 02:30	95.0	↓-0.3
12/31 02:40	94.7	↓-0.3
12/31 02:50	94.3	↓-0.4
12/31 03:00	94.0	↓-0.3
12/31 03:10	93.7	↓-0.3
12/31 03:20	93.5	↓-0.2
12/31 03:30	93.3	↓-0.2
12/31 03:40	93.1	↓-0.2
12/31 03:50	93.0	↓-0.1	干潮
12/31 04:00	93.0	0
12/31 04:10	93.0	0
12/31 04:20	93.2	↑0.2
12/31 04:30	93.5	↑0.3
12/31 04:40	93.8	↑0.3
12/31 04:50	94.3	↑0.5
12/31 05:00	94.8	↑0.5
12/31 05:10	95.5	↑0.7
12/31 05:20	96.3	↑0.8
12/31 05:30	97.2	↑0.9
12/31 05:40	98.2	↑1.0
12/31 05:50	99.3	↑1.1
12/31 06:00	100.6	↑1.3
12/31 06:10	101.9	↑1.3
12/31 06:20	103.3	↑1.4
12/31 06:30	104.8	↑1.5
12/31 06:40	106.4	↑1.6
12/31 06:50	108.1	↑1.7
12/31 07:00	109.8	↑1.7
12/31 07:10	111.5	↑1.7
12/31 07:20	113.3	↑1.8
12/31 07:30	115.0	↑1.7
12/31 07:40	116.8	↑1.8
12/31 07:50	118.6	↑1.8
12/31 08:00	120.3	↑1.7
12/31 08:10	122.0	↑1.7
12/31 08:20	123.6	↑1.6
12/31 08:30	125.2	↑1.6
12/31 08:40	126.6	↑1.4
12/31 08:50	128.0	↑1.4
12/31 09:00	129.2	↑1.2
12/31 09:10	130.4	↑1.2
12/31 09:20	131.4	↑1.0
12/31 09:30	132.2	↑0.8
12/31 09:40	132.9	↑0.7
12/31 09:50	133.5	↑0.6
12/31 10:00	133.8	↑0.3
12/31 10:10	134.0	↑0.2	満潮
12/31 10:20	134.1	↑0.1
12/31 10:30	133.9	↓-0.2
12/31 10:40	133.6	↓-0.3
12/31 10:50	133.0	↓-0.6
12/31 11:00	132.3	↓-0.7
12/31 11:10	131.4	↓-0.9
12/31 11:20	130.4	↓-1.0
12/31 11:30	129.1	↓-1.3
12/31 11:40	127.7	↓-1.4
12/31 11:50	126.1	↓-1.6
12/31 12:00	124.3	↓-1.8
12/31 12:10	122.4	↓-1.9
12/31 12:20	120.3	↓-2.1
12/31 12:30	118.1	↓-2.2
12/31 12:40	115.7	↓-2.4
12/31 12:50	113.2	↓-2.5
12/31 13:00	110.6	↓-2.6
12/31 13:10	107.8	↓-2.8
12/31 13:20	105.0	↓-2.8
12/31 13:30	102.0	↓-3.0
12/31 13:40	99.0	↓-3.0
12/31 13:50	95.9	↓-3.1
12/31 14:00	92.7	↓-3.2
12/31 14:10	89.5	↓-3.2
12/31 14:20	86.2	↓-3.3
12/31 14:30	82.9	↓-3.3
12/31 14:40	79.6	↓-3.3
12/31 14:50	76.2	↓-3.4	最大潮位差
12/31 15:00	72.9	↓-3.3
12/31 15:10	69.5	↓-3.4	最大潮位差
12/31 15:20	66.2	↓-3.3
12/31 15:30	63.0	↓-3.2
12/31 15:40	59.8	↓-3.2
12/31 15:50	56.7	↓-3.1
12/31 16:00	53.6	↓-3.1
12/31 16:10	50.7	↓-2.9
12/31 16:20	47.9	↓-2.8
12/31 16:30	45.2	↓-2.7
12/31 16:40	42.7	↓-2.5
12/31 16:50	40.4	↓-2.3
12/31 17:00	38.2	↓-2.2
12/31 17:10	36.2	↓-2.0
12/31 17:20	34.3	↓-1.9
12/31 17:30	32.7	↓-1.6
12/31 17:40	31.3	↓-1.4
12/31 17:50	30.1	↓-1.2
12/31 18:00	29.1	↓-1.0
12/31 18:10	28.3	↓-0.8
12/31 18:20	27.7	↓-0.6
12/31 18:30	27.4	↓-0.3
12/31 18:40	27.2	↓-0.2	干潮
12/31 18:50	27.3	↑0.1
12/31 19:00	27.5	↑0.2
12/31 19:10	28.0	↑0.5
12/31 19:20	28.6	↑0.6
12/31 19:30	29.5	↑0.9
12/31 19:40	30.5	↑1.0
12/31 19:50	31.7	↑1.2
12/31 20:00	33.1	↑1.4
12/31 20:10	34.7	↑1.6
12/31 20:20	36.4	↑1.7
12/31 20:30	38.3	↑1.9
12/31 20:40	40.3	↑2.0
12/31 20:50	42.5	↑2.2
12/31 21:00	44.8	↑2.3
12/31 21:10	47.2	↑2.4
12/31 21:20	49.6	↑2.4
12/31 21:30	52.2	↑2.6
12/31 21:40	54.8	↑2.6
12/31 21:50	57.5	↑2.7
12/31 22:00	60.2	↑2.7
12/31 22:10	63.0	↑2.8
12/31 22:20	65.7	↑2.7
12/31 22:30	68.5	↑2.8
12/31 22:40	71.2	↑2.7
12/31 22:50	73.9	↑2.7
12/31 23:00	76.5	↑2.6
12/31 23:10	79.1	↑2.6
12/31 23:20	81.5	↑2.4
12/31 23:30	83.9	↑2.4
12/31 23:40	86.2	↑2.3
12/31 23:50	88.4	↑2.2